External Power Switch Buck Controllers

Analog Devices manufactures a broad range of step-down (buck) controllers for virtually any application. These controllers offer wide input voltage ranges, multiple output capability, multiphase operation, and output tracking. Furthermore, they come in voltage-mode and current-mode topologies, offer easy synchronization to external clocks, and possess comprehensive protection features.
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External Power Switch Buck Controllers

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Max PhasesSense ResistorCommentsPrice (1000+)
($ US)
1LTC3372 5 4.5 60 20- DCR, Rsense 60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs $5.75 (LTC3372EUK#PBF)
2LTC3894 1 4.5 150 10-- 150V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle Capability $2.55 (LTC3894EFE#PBF)
3LTC7815 3 2.5 38 25-- Low IQ, 2.25MHz, Triple Output, Buck/Buck/Boost Synchronous Controller $4.35 (LTC7815EUHF#PBF)
4LTC7810 2 4.5 140 15-- 150V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller $5.20 (LTC7810ELXE#PBF)
5LTC3874-1 1 4.5 38 25 12, 2, 3, 4, 6 DCR, Sub-Milliohm DCR PolyPhase Step-Down Synchronous Slave Controller with Sub-Milliohm DCR Sensing $2.47 (LTC3874EUF-1#PBF)
6LTC7821 1 10 72 25 2 DCR, Rsense Hybrid Step-Down Synchronous Controller $5.20 (LTC7821EUH#PBF)
7LTC3882-1 (single output) 1 3 13.2 80 2, 3, 4, 6, 8 DCR, Rsense Dual Output PolyPhase Voltage Mode Step-Down with PSM, Dedicated PGOOD $5.35 (LTC3882EUJ-1#PBF)
8LTC3882-1 (dual output) 2 3 13.2 40 2, 3, 4, 6, 8 DCR, Rsense Dual Output PolyPhase Voltage Mode Step-Down with PSM, Dedicated PGOOD $5.35 (LTC3882EUJ-1#PBF)
9LT8711 1 4.5 42-- Rsense Micropower Synchronous Multitopology Controller with 42V Input Capability $2.30 (LT8711EUDC#PBF)
10LTC7801 1 4 140 10- DCR, Rsense 150V Low IQ, Synchronous Step-Down DC/DC Controller $4.20 (LTC7801EUFD#PBF)
11LTC7800 1 4 60 20- DCR, Rsense Low IQ, 60V, High Frequency Synchronous Step-Down Controller $3.47 (LTC7800EUDC#PBF)
12LTC3871 1 1.2 100 30 12 DCR, Rsense Bidirectional PolyPhase Synchronous Buck or Boost Controller $5.40 (LTC3871ELXE#PBF)
13LTC3895 1 4 140 10 6 DCR, Rsense 150V Low IQ, Synchronous Step-Down DC/DC Controller $4.70 (LTC3895EFE#PBF)
14LTC7851 4 3 5.5 30 4 DCR, Rsense Quad Multiphase Step-Down Voltage Mode, /-1 Lower Current Sense Amp Gain $4.27 (LTC7851EUHH#PBF)
15LTC7813 2 2.2 60 20 1 DCR, Rsense Low IQ, 60V Synchronous Boost+Buck Controller $4.82 (LTC7813EUH#PBF)
16LTC7812 2 2.5 38 20- DCR, Rsense Low IQ, 38V Synchronous Boost+Buck Controller $4.00 (LTC7812EUH#PBF)
17LTC3884 (single output) 1 4.5 38 60 2, 4, 6 DCR, Rsense, Sub-Milliohm DCR Dual Output PolyPhase Step-Down Controller with Sub MilliOhm DCR Sensing and Digital Power System Ma $6.35 (LTC3884EUK#PBF)
18LTC3884 (dual output) 2 4.5 38 30 2, 4, 6 DCR, Rsense, Sub-Milliohm DCR Dual Output PolyPhase Step-Down Controller with Sub MilliOhm DCR Sensing and Digital Power System Ma $6.35 (LTC3884EUK#PBF)
19LTC3870-1 2 4.5 60 20 2 DCR, Rsense PolyPhase Step-Down Slave Controller for Digital Power System Management $2.35 (LTC3870EUF-1#PBF)
20LTC3886 (single output) 1 4.5 60 30 2, 4, 6 DCR, Rsense 60V Dual Output Step-Down Controller with Digital Power System Management $6.35 (LTC3886EUKG#PBF)
21LTC3886 (dual output) 2 4.5 60 15 2, 4, 6 DCR, Rsense 60V Dual Output Step-Down Controller with Digital Power System Management $6.35 (LTC3886EUKG#PBF)
22LTC3877 (single output) 1 4.5 38 60 12, 2, 3, 4, 6, 8 DCR, Rsense, Sub-Milliohm DCR Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Se $3.94 (LTC3877EUK#PBF)
23LTC3877 (dual output) 2 4.5 38 30 12, 2, 3, 4, 6, 8 DCR, Rsense, Sub-Milliohm DCR Dual Phase Step-Down Synchronous Controller with VID Output Voltage Programming and Low Value DCR Se $3.94 (LTC3877EUK#PBF)
24LTC3899 3 4.5 60 15 1 DCR, Rsense 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller $4.95 (LTC3899EUHF#PBF)
25LTC3892-2 2 4.5 60 25 2 DCR, Rsense 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM, Pulse Skip $4.94 (LTC3892EUH-2#PBF)
26LTC3892-1 2 4.5 60 25 2 DCR, Rsense 60V Low IQ, Dual, 2-Phase Synch Buck Controller, Fixed ILIM $4.82 (LTC3892EFE-1#PBF)
27LTC3892 (single output) 1 4.5 60 30 2 DCR, Rsense 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM $4.94 (LTC3892EUH#PBF)
28LTC3892 (dual output) 2 4.5 60 15 2 DCR, Rsense 60V Low IQ, Dual, 2-Phase Synch Buck Controller, PGOOD, Select ILIM $4.94 (LTC3892EUH#PBF)
29LTC3887 (single output) 1 4.5 24 60 2, 4, 6 DCR, Rsense Dual PolyPhase Step-Down with Digital PSM, /-1 drives external DrMOS $5.47 (LTC3887EUJ#PBF)
30LTC3887 (dual output) 2 4.5 24 30 2, 4, 6 DCR, Rsense Dual PolyPhase Step-Down with Digital PSM, /-1 drives external DrMOS $5.47 (LTC3887EUJ-1#PBF)
31LTC3807 1 4 38 25 1 DCR, Rsense Low IQ, Synchronous Step-Down Controller with 24V Output Voltage Capability $2.30 (LTC3807EUDC#PBF)
32LT8709 1 -80 -4.5 25 1 Rsense Negative Input Synchronous Multi-Topology DC/DC Controller $3.65 (LT8709EFE#PBF)
33LTC3882 (single output) 1 3 13.2 80 2, 3, 4, 6, 8 DCR, Rsense Dual Output PolyPhase Voltage Mode Step-Down with PSM $5.35 (LTC3882EUJ#PBF)
34LTC3882 (dual output) 2 3 13.2 40 2, 3, 4, 6, 8 DCR, Rsense Dual Output PolyPhase Voltage Mode Step-Down with PSM $5.35 (LTC3882EUJ#PBF)
35RH3845MK 1 4 60 10----
36LTC3875 (single output) 1 4.5 38 60 12, 2, 3, 4, 6 DCR, Rsense, Sub-Milliohm DCR Dual, 2-Phase, Low Value DCR Sensing and Temp Comp $3.47 (LTC3875EUJ#PBF)
37LTC3875 (dual output) 2 4.5 38 30 12, 2, 3, 4, 6 DCR, Rsense, Sub-Milliohm DCR Dual, 2-Phase, Low Value DCR Sensing and Temp Comp $3.47 (LTC3875EUJ#PBF)
38LTC3870 2 4.5 60 20 2 DCR, Rsense Slave Controller for LTC3880/LTC3883 with PSM $2.35 (LTC3870EUFD#PBF)
39LT3840 1 2.5 60 20 1 Rsense Integrated Buck-Boost For Gate Drive $3.65 (LT3840EUFE#PBF)
40LTC3890-3 2 4 60 15 2 DCR, Rsense LTC3890-3 Pulse Skipping, Can Make Boost/SEPIC $4.47 (LTC3890EGN-3#PBF)
41LTC3890-2 2 4 60 15 2 DCR, Rsense LTC3890-2 Adj. Current Limit, Multi-Phase, Pulse Skip, Can Make Boost/SEPIC $4.59 (LTC3890EUH-2#PBF)
42LTC3864 1 3.5 60 5 1 Rsense 60V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle $2.06 (LTC3864EDE#PBF)
43LTC3859AL 3 4.5 38 25 2 DCR, Rsense Triple Buck/Buck/Boost Synch Controller, Improved Burst Mode $4.35 (LTC3859ALEUHF#PBF)
44LTC3838-2 2 4.5 38 30 2 DCR, Rsense LTC3838-2 Ext. Reference, Dual Differential Output Sensing $3.18 (LTC3838EUHF-2#PBF)
45LTC3838-1 2 4.5 38 30 2 DCR, Rsense LTC3838-1 Dual Differential Output Sensing $3.18 (LTC3838EUHF-1#PBF)
46LTC3874 1 4.5 38 25 12, 2, 3, 4, 6 DCR, Sub-Milliohm DCR Slave Controller with Sub-Milliohm DCR Sensing $2.47 (LTC3874EUFD#PBF)
47LTC3774 (single output) 1 4.5 38 60 12, 2, 3, 4, 6, 8 DCR, Rsense, Sub-Milliohm DCR Dual, Multiphase Controller for Sub-Milliohm DCR Sensing $2.95 (LTC3774EUHE#PBF)
48LTC3774 (dual output) 2 4.5 38 30 12, 2, 3, 4, 6, 8 DCR, Rsense, Sub-Milliohm DCR Dual, Multiphase Controller for Sub-Milliohm DCR Sensing $2.95 (LTC3774EUHE#PBF)
49LTC3883 1 4.5 24 30 2, 3, 4, 6 DCR, Rsense Single Phase, Digital Power System Management $4.82 (LTC3883EUH#PBF)
50LTC3861-1 (single output) 1 3 24 80 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Buck Voltage Mode Controller, 1 Diff Amp, 1.25mV Sense Accuracy $2.76 (LTC3861EUH-1#PBF)
51LTC3861-1 (dual output) 2 3 24 40 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Buck Voltage Mode Controller, 1 Diff Amp, 1.25mV Sense Accuracy $2.76 (LTC3861EUH-1#PBF)
52LT3763 1 6 60 20 1 Rsense 60V High Current Step-Down LED Driver Controller $2.28 (LT3763EFE#PBF)
53ADP1851 1 2.75 20 30-- Wide Range Input, Synchronous, Step-Down DC-to-DC Controller $1.05 (ADP1851ACPZ-R7)
54ADP1853 1 2.75 20 25-- Synchronous, Step-Down DC-to-DC Controller with Voltage Tracking and Synchronization $1.20 (ADP1853ACPZ-R7)
55LTC3866 1 4.5 38 30 1 DCR, Rsense, Sub-Milliohm DCR Sub Milliohm DCR Sensing $2.71 (LTC3866EUF#PBF)
56LTC3861 (single output) 1 3 24 80 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Buck Voltage Mode Controller, 2 Diff Amp, 1.25mV Sense Accuracy $2.88 (LTC3861EUHE#PBF)
57LTC3861 (dual output) 2 3 24 40 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Buck Voltage Mode Controller, 2 Diff Amp, 1.25mV Sense Accuracy $2.88 (LTC3861EUHE#PBF)
58LTC3867 1 4 38 25 1 DCR, Rsense Differential Remote Sense and Nonlinear Control $2.65 (LTC3867EUF#PBF)
59LTC3838 2 4.5 38 30 2 DCR, Rsense Dual Fast Step Down Controller with Differential Output Sensing $3.18 (LTC3838EUHF#PBF)
60ADP1876 3 2.75 20 25-- 600 kHz Dual Output Synchronous Buck PWM Controller Plus Linear Regulator $1.89 (ADP1876ACPZ-R7)
61ADP1879 1 2.95 20 25-- Synchronous Buck Controller with Constant On-Time and Valley Current Mode with Power Saving Mode $1.28 (ADP1879ACPZ-0.3-R7)
62ADP1878 1 2.95 20 30-- Synchronous Buck Controller with Constant On-Time and Valley Current Mode $1.28 (ADP1878ACPZ-0.3-R7)
63LTC3880 (single output) 1 4.5 24 60 2, 3, 4, 6 DCR, Rsense Dual PolyPhase, Power System Management, LTC3880-1 external 5V supply $5.35 (LTC3880EUJ#PBF)
64LTC3880 (dual output) 2 4.5 24 30 2, 3, 4, 6 DCR, Rsense Dual PolyPhase, Power System Management, LTC3880-1 external 5V supply $5.35 (LTC3880EUJ-1#PBF)
65ADP1875 1 2.95 20 25-- Synchronous Buck Controller with Constant On-Time, Valley Current Mode, and Power Saving Mode $1.32 (ADP1875ARQZ-0.3-R7)
66ADP1874 1 2.95 20 25-- Synchronous Buck Controller with Constant On-Time and Valley Current Mode $1.32 (ADP1874ARQZ-0.3-R7)
67LTC3839 1 4.5 38 60 12, 2, 3, 4, 6 DCR, Rsense Fast, 2-Phase, Single-Output Step-Down, Differential Output Sensing $3.18 (LTC3839EUH#PBF)
68ADP1850 2 2.75 20 30-- Wide Range Input, Dual/Two-Phase, DC-to-DC Synchronous Buck Controller $1.69 (ADP1850ACPZ-R7)
69LTC3891 1 4 60 15 1 DCR, Rsense 50µA IQ, 60V Synchronous Step-Down Controller $3.47 (LTC3891EUDC#PBF)
70LTC3858-2 2 4 38 20 2 DCR, Rsense LTC3858-2 OVP Crowbar and Short Circuit Latch-Off Disabled $4.00 (LTC3858EUH-2#PBF)
71LTC3852 1 2.7 38 25 1 DCR, Rsense Low Input Voltage, Synchronous Step-Down Controller $1.95 (LTC3852EUDD#PBF)
72LTC3833 1 4.5 38 25 1 DCR, Rsense Fast, Accurate Step-Down DC/DC with Differential Output Sensing $2.50 (LTC3833EUDC#PBF)
73LT3845A 1 4 60 15 2 Rsense LT3845A Offers Improved Performance $3.56 (LT3845AEFE#PBF)
74LTC3856 1 4.5 38 60 12, 2, 3, 4, 6 DCR, Rsense 2-Phase Synchronous Step-Down DC/DC Controller with Diffamp $3.18 (LTC3856EUH#PBF)
75LTC3829 1 4.5 38 90 3, 6 DCR, Rsense 3-Phase, Single Output Synchronous Step-Down with Diff Amp $3.71 (LTC3829EUHF#PBF)
76ADP1883 1 2.75 5.5 25-- Synchronous Current-Mode Buck Controller with Constant On-time, 0.8 V Reference Voltage, and Power S $1.03 (ADP1883ARMZ-0.3-R7)
77ADP1882 1 2.75 5.5 25-- Synchronous Current-Mode Buck Controller with Constant On-time and 0.8 V Reference Voltage $1.03 (ADP1882ARMZ-0.3-R7)
78ADP1871 1 2.95 20 25-- Synchronous Buck Controller with Constant On-Time and Valley Current Mode $1.08 (ADP1871ACPZ-0.3-R7)
79ADP1870 1 2.95 20 8-- Synchronous Buck Controller with Constant On-Time and Valley Current Mode $1.08 (ADP1870ACPZ-0.3-R7)
80LTC3890-1 2 4 60 15 2 DCR, Rsense LTC3890-1 No Multi-Phase, Current Limit Foldback, Forced Continuous $4.47 (LTC3890EGN-1#PBF)
81LTC3890 2 4 60 15 2 DCR, Rsense LTC3890 Adj. Current Limit, Multi-Phase, Current Limit Foldback $4.59 (LTC3890EUH#PBF)
82LTC3869 (single output) 1 4 38 60 2 DCR, Rsense Dual, 2-Phase Synchronous Step-Down Controller $2.65 (LTC3869EUF#PBF)
83LTC3869 (dual output) 2 4 38 30 2 DCR, Rsense Dual, 2-Phase Synchronous Step-Down Controller $2.65 (LTC3869EUFD#PBF)
84LTC3851A 1 4 38 25 1 DCR, Rsense PLL, LTC3851A Adjustable Current Limit $1.71 (LTC3851AEGN#PBF)
85LT3741 1 6 36 25 1 Rsense Constant Current, Constant Voltage Step-Down $3.95 (LT3741EUF#PBF)
86LTC3855 2 4.5 38 30 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Synchronous Controller with Diff. Remote Sense $3.18 (LTC3855EUJ#PBF)
87LTC3775 1 4.5 38 25 1 None, Rsense Voltage Mode DC/DC Controller $1.79 (LTC3775EMSE#PBF)
88ADP1877 2 2.75 14.5 25-- Dual Output Synchronous Buck PWM Controller $1.91 (ADP1877ACPZ-R7)
89ADP1873 1 2.75 5.5 25-- Synchronous Buck Controller with Constant On-Time and Valley Current Mode $1.06 (ADP1873ARMZ-0.3-R7)
90ADP1872Reference Circuit Available 1 2.75 5.5 25-- Synchronous Current-Mode Buck Controller with Constant On-time and 0.6 V Reference Voltage $1.06 (ADP1872ARMZ-0.6-R7)
91LTC3868-1 2 4 24 25 2 DCR, Rsense 300µA IQ, Dual 2-Phase Synch Buck, LTC3868-1 Fixed Current Limit, One PGOOD $2.59 (LTC3868EGN-1#PBF)
92LTC3868 2 4 24 25 2 DCR, Rsense 300µA IQ, Dual 2-Phase Sync Buck, LTC3868 Adj Current Limit, CLKOUT, Two PGOOD $2.71 (LTC3868EUH#PBF)
93LTC3857-1 2 4 38 25 2 DCR, Rsense Dual 50µA IQ Buck Controller, LTC3857-1 One PGOOD, Foldback $3.88 (LTC3857EGN-1#PBF)
94LTC3857 2 4 38 25 2 DCR, Rsense Dual 50µA IQ Buck Controller, LTC3857 CLKOUT, Two PGOOD, Foldback $4.00 (LTC3857EUH#PBF)
95LTC3854 1 4.5 38 25 1 DCR, Rsense Small Footprint, Wide Vin Range Synchronous Step-Down Controller $1.65 (LTC3854EDDB#TRPBF)
96LTC3865-1 2 4.5 38 25 2 DCR, Rsense Pin Selectable Outputs, LTC3865 Two PGOOD, No Adjustable Current Limit $2.65 (LTC3865EUH-1#PBF)
97LTC3865 2 4.5 38 25 2 DCR, Rsense Pin Selectable Outputs, LTC3865 Adjustable Current Limit $2.65 (LTC3865EUH#PBF)
98LTC3860 (single output) 1 3 24 80 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Buck Controller, 1 Diff Amp, 2mV Sense Accuracy $2.59 (LTC3860EUH#PBF)
99LTC3860 (dual output) 2 3 24 40 12, 2, 3, 4, 6 DCR, Rsense Dual, Multiphase Buck Controller, 1 Diff Amp, 2mV Sense Accuracy $2.59 (LTC3860EUH#PBF)
100LTC3851A-1 1 4 38 25 1 DCR, Rsense PLL, LTC3851A-1 PGOOD Pin $1.71 (LTC3851AEMSE-1#PBF)
101LTC3850-2 2 4 30 25 2 DCR, Rsense LTC3850-2 Same Function as LTC3850-1, Different Pinout $2.55 (LTC3850IGN-2#PBF)
102LTC3853 3 4.5 24 25 3 DCR, Rsense Triple Output, Multiphase Synchronous Buck Controller $3.53 (LTC3853EUJ#PBF)
103LTC3879 1 4 38 25 1 None Fast, Wide Operating Range No RSENSE Step-Down Controller $1.76 (LTC3879EMSE#PBF)
104LTC3878 1 4 38 25 1 None Fast, Wide Operating Range No Rsense Step-Down Controller $1.71 (LTC3878EGN#PBF)
105LTC3858-1 2 4 38 25 2 DCR, Rsense Dual 170µA IQ Buck Controller, LTC3858-1 One PGOOD, Latch Off $3.88 (LTC3858EGN-1#PBF)
106LTC3858 2 4 38 25 2 DCR, Rsense Dual 170µA IQ Buck Controller, LTC3858 CLKOUT, Two PGOOD, Latch Off $4.00 (LTC3858EUH#PBF)
107LTC3834-1 1 4 36 25 1, 2 Rsense 30µA IQ Step-Down Controller, LTC3834-1 Offers Smaller Package $3.69 (LTC3834EDHC-1#PBF)
108LTC3834 1 4 36 25 1, 2 Rsense 30µA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins $3.88 (LTC3834EFE#PBF)
109LT3742 2 4 30 5 2 Rsense Dual, 2-Phase Step-Down Switching Controller $2.30 (LT3742EUF#PBF)
110ADP1828 1 3 20 30-- Synchronous Buck PWM, Step-Down, DC-to-DC Controller $1.57 (ADP1828ACPZ-R7)
111LTC3850 2 4 24 25 2 DCR, Rsense LTC3850-1 Replaces ILIM With EXTVCC $2.40 (LTC3850EGN#PBF)
112LTC3826-1 2 4 36 25 2 Rsense 30uA Iq, LTC3826-1 No Clock Out Pin, One PGOOD $5.38 (LTC3826EG-1#PBF)
113LTC3826 2 4 36 25 2 Rsense 30uA Iq, LTC3826 Clock Out Pin, Two PGOOD Outputs $5.50 (LTC3826EUH#PBF)
114LTC3811 (single output) 1 4.5 30 30 12, 2, 3, 4, 6 DCR, Rsense High Speed Dual, Multiphase Step-Down $3.75 (LTC3811EG#PBF)
115LTC3811 (dual output) 2 4.5 30 20 12, 2, 3, 4, 6 DCR, Rsense High Speed Dual, Multiphase Step-Down $3.75 (LTC3811EUHF#PBF)
116ADP1829 2 3 20 20-- Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking $2.19 (ADP1829ACPZ-R7)
117LTC3812-5 1 6.2 60 10 1 None, Rsense Vin 4.35V to 60V, 5.5V Driver Voltage $3.25 (LTC3812EFE-5#PBF)
118LTC3810-5 1 4.35 60 10 1 None, Rsense LTC3810-5 Vin 4.35V to 60V, 5.5V Driver Voltage, Tracking, External Synchronization $3.38 (LTC3810EUH-5#PBF)
119LTC3810 1 6.2 100 10 1 None, Rsense LTC3810 Vin 6.2V to 100V, 10V Driver Voltage, Tracking, External Synchronization $3.50 (LTC3810EG#PBF)
120LTC3836 2 2.75 4.5 20 2 None Dual 2-Phase, No RSENSE Low VIN Synchronous Controller $2.75 (LTC3836EGN#PBF)
121LTC3823 1 4.5 30 25 1 None, Rsense Fast No Rsense, Differential Output Sensing, Tracking and PLL $2.75 (LTC3823EGN#PBF)
122LTC3822-1 1 2.75 4.5 20 1 None LTC3822-1 Selectable Continuous/Pulse Skip/Burst Mode, Tracking, PLL, PGOOD $1.75 (LTC3822EDD-1#PBF)
123LTC3773 3 3.3 36 25 3 Rsense Triple Output Synchronous Tracking 3-Phase Buck $3.95 (LTC3773EG#PBF)
124LTC3727LX-1- 4 32 25-- High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator $4.35 (LTC3727LXEG-1#PBF)
125LT3845 1 7.5 60 10 1 Rsense High Voltage Synchronous Current Mode Step-Down Controller $3.56 (LT3845EFE#PBF)
126LT3740 1 2.2 22 20 1 None Valley Mode, No Rsense $1.95 (LT3740EDHC#PBF)
127LTC3835-1 1 4 36 20 1 Rsense 80µA IQ Step-Down Controller, LTC3835-1 Offers Smaller Package $3.40 (LTC3835EDHC-1#PBF)
128LTC3835 1 4 36 20 1 Rsense 80µA IQ Step-Down Controller, CLKOUT, EXTVCC, PGOOD Pins $3.55 (LTC3835EFE#PBF)
129LTC3824 1 4 60 5 1 Rsense High Voltage Step-Down With 40uA Quiescent Current $1.95 (LTC3824EMSE#PBF)
130LTC3822 1 2.75 4.5 20 1 None All N-Channel FETs, No Rsense, LTC3822 Internal Soft Start $1.55 (LTC3822EDD#PBF)
131LT3844 1 4 60 5 1 Rsense Wide Input Voltage Range, Burst Mode $3.10 (LT3844EFE#PBF)
132ADP1823 2 3.7 20 20-- Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking $2.26 (ADP1823ACPZ-R7)
133LTC3827-1 2 4 36 25 2 Rsense 80uA Iq, LTC3827-1 No Clock Out Pin, One PGOOD $5.00 (LTC3827EG-1#PBF)
134LTC3827 2 4 36 25 2 Rsense 80uA Iq, LTC3827 Clock Out Pin, Two PGOOD Outputs $5.10 (LTC3827EUH#PBF)
135LTC3772B 1 2.75 9.8 5 1 None No Rsense, 100% Duty Cycle, LTC3772B Disables Burst Mode $1.91 (LTC3772BEDDB#TRPBF)
136LTC3728L-1 2 4.5 28 25-- Dual, 550kHz, 2-Phase Synchronous Regulator $4.65 (LTC3728LEGN-1#PBF)
137ADP1864Reference Circuit Available 1 3.15 14 25-- Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT $1.09 (ADP1864AUJZ-R7)
138LTC3736-2 2 2.75 9.8 5 2 None LTC3736-2 345mV Vsense Max, 1% Accurate Vref $3.80 (LTC3736EGN-2#PBF)
139ADP1822 1 3.7 5.5 20-- PWM, Step-Down DC-to-DC Controller with Margining and Tracking $1.50 (ADP1822ARQZ-R7)
140ADP1821 1 3.7 5.5 20-- Step-Down DC-to-DC Controller $1.45 (ADP1821ARQZ-R7)
141LTC3828 1 4 28 25 2 Rsense Dual, 2-Phase Step-Down Controller with Tracking $4.65 (LTC3828EG#PBF)
142LTC3809-1 1 2.75 9.8 5 1 None No Rsense, LTC3809-1 Offers Tracking $2.50 (LTC3809EDD-1#PBF)
143LTC3809 1 2.75 9.8 5 1 None No Rsense, LTC3809 PLL, PGOOD, Spread Spectrum For Low EMI $2.50 (LTC3809EDD#PBF)
144LTC3772 1 2.75 9.8 5 1 None No RSENSE, 100% Duty Cycle, LTC3772 Offers Burst Mode $1.91 (LTC3772EDDB#TRPBF)
145LTC3727A-1 2 4 36 25 2 Rsense LTC3727A-1 Vout 0.8V to 14V, No Latch Off, 120ns Min On Time $4.85 (LTC3727AEG-1#PBF)
146LT3724 1 4 60 5 1 Rsense Wide Vin, Burst Mode $3.10 (LT3724EFE#PBF)
147LTC3808 1 2.75 9.8 5 1 None Optional Rsense, PLL, Spread Spectrum For Low EMI, Tracking, Power Good $2.60 (LTC3808EGN#PBF)
148LTC3770 1 4 32 15 1 None Fast No Rsense Step-Down with Margining, Tracking and PLL $3.55 (LTC3770EG#PBF)
149LTC3709 1 5 36 40 2 None Fast 2-Phase, No Rsense with Tracking/Sequencing $4.90 (LTC3709EG#PBF)
150LTC3736-1 2 2.75 9.8 5 2 None LTC3736-1 204mV Vsense Max, Spread Spectrum, No Ext. Synchronization $4.40 (LTC3736EGN-1#PBF)
151LTC3802 2 3 30 25 2 None Dual Tracking Synchronous 2-Phase DC/DC $4.80 (LTC3802EGN#PBF)
152LTC3737 2 2.75 9.8 5 2 None Optional Rsense, Output Tracking $3.65 (LTC3737EGN#PBF)
153LTC3703-5 1 9.3 60 20 1 None LTC3703 60Vin, 4.5V to 15V MOSFET Gate Drive, UV+ 3.7V, UV- 3.1V $3.10 (LTC3703EGN-5#PBF)
154LTC3736 2 2.75 9.8 5 2 None LTC3736 204mV Vsense Max, 1.5% Accurate Vref, Burst Mode $3.80 (LTC3736EGN#PBF)
155LT3800 1 4 60 15 1 Rsense High-Voltage Synchronous Current Mode Step-Down $3.10 (LT3800EFE#PBF)
156LTC3708 2 4 36 25 2 None Dual Synchronous Buck Controller, Tracking, Fast Transient $4.80 (LTC3708EUH#PBF)
157LTC3703 1 9.3 100 20 1 None LTC3703 100Vin, 9.3V to 15V MOSFET Gate Drive, UV+ 8.7V, UV- 6.2V $3.10 (LTC3703EGN#PBF)
158LTC3801B 1 2.5 9.8 5 1 Rsense LTC3801B Disables Burst Mode $2.01 (LTC3801BES6#TRPBF)
159LTC3801 1 2.5 9.8 5 1 Rsense Low Q Current, 1.5% Accurate Vref $2.01 (LTC3801ES6#TRPBF)
160LTC3729L-6 1 4 30 40 12, 2, 3, 4, 6, 8 Rsense PolyPhase Up To 12 Phases, LTC3729L-6 Offers 0.6V Reference, 30Vin Max $5.60 (LTC3729LEUH-6#PBF)
161LTC3707 2 4.5 28 25 2 Rsense Dual 2-Phase Synchronous Controller $4.55 (LTC3707EGN#PBF)
162LTC3731H 1 4 36 60 12, 3, 6, 9 Rsense 3-Phase, 600kHz, Synchronous Buck Controller H Grade $5.00 (LTC3731HG#PBF)
163LTC3731 1 4 36 65 12, 3, 6, 9 Rsense 3-Phase, 600kHz, Synchronous Buck Controller $4.35 (LTC3731CG#PBF)
164LTC3728L 2 4 30 25 2 Rsense Small package, high frequency $4.30 (LTC3728LXCUH#PBF)
165LTC3700 2 2.65 9.8 5 1 Rsense Buck Controller with LDO $2.35 (LTC3700EMS#PBF)
166LTC1704 2 3.15 5.5 20 1 Rsense Synchronous Step-Down Controller, LDO Controller $4.10 (LTC1704BEGN#PBF)
167LTC1702A 2 3 7 20 2 None Dual Output Voltage Mode Step-Down Controller $4.75 (LTC1702ACGN#PBF)
168LTC3832-1 1 3 8 20 1 None LTC3832-1 Does Not Offer Current Limit, Frequency Adjust, Shutdown $2.95 (LTC3832-1ES8#PBF)
169LTC3832 1 3 8 20 1 None Low Vin, Adjustable or Fixed 2.5Vout $3.10 (LTC3832EGN#PBF)
170LTC3727-1 2 4 36 25 2 Rsense LTC3727-1 Vout 0.8V to 14V, No Latch Off, 180ns Min On Time $4.85 (LTC3727EG-1#PBF)
171LTC3707-SYNC 2 4.5 28 25 2 Rsense LTC3707-SYNC Offers PLL For External Synchronization $4.65 (LTC3707EGN-SYNC#PBF)
172LTC3701 2 2.5 10 5 2 Rsense Dual, Non-Synchronous Step-Down Controller $3.40 (LTC3701EGN#PBF)
173LTC3778 1 4 36 20 1 None, Rsense Wide Operating Range, No RSENSE Step-Down $3.35 (LTC3778EF#PBF)
174LTC3727 2 4 36 25 2 Rsense LTC3727 Vout 0.8V to 14V, Latch Off, 180ns Min On Time $4.85 (LTC3727EG#PBF)
175LTC3729 1 4 36 40 12, 2, 3, 4, 6, 8 Rsense PolyPhase Operation Up to 12 Phases $5.80 (LTC3729EG#PBF)
176LTC3728 2 4 36 25 2 Rsense Dual Synchronous Controller $5.00 (LTC3728EG#PBF)
177LTC1772B 1 2.5 9.8 5 1 Rsense LTC1772B Disables Burst Mode $1.91 (LTC1772BES6#TRPBF)
178LTC1778 1 4 36 20-- Power Good Output Voltage Monitor (LTC1778) $2.70 (LTC1778EGN#PBF)
179LTC3830-1 1 3 8 20 1 None LTC3830-1 Replaces SHDN With Soft-Start (SS) Pin $3.05 (LTC3830-1ES8#PBF)
180LTC3830 1 3 8 20 1 None High Power Step-Down Synchronous Step-Down $3.05 (LTC3830ES8#PBF)
181LTC3713 1 1.5 36 20 1 None Provides 5V for N-CH MOSFET Gate Drive $4.10 (LTC3713EG#PBF)
182LTC1624 1 3.5 36 5 1 Rsense SO-8 N-Channel Switching Regulator Controller $3.50 (LTC1624CS8#PBF)
183LTC1876 3 3.5 36 25 2 Rsense Dual Synchronous Buck And One Boost Controller $5.95 (LTC1876EG#PBF)
184LTC1874 2 2.5 9.8 20 1 Rsense Dual Constant Frequency Current Mode Step-Down $3.30 (LTC1874EGN#PBF)
185LTC1771 1 2.8 20 5 1 Rsense Burst Mode $2.65 (LTC1771ES8#PBF)
186LTC1773 1 2.65 8.5 6 1 Rsense 100% Duty Cycle $2.50 (LTC1773EMS#PBF)
187LTC1775 1 3.7 36 20 1 None No Rsense $4.65 (LTC1775CS#PBF)
188LTC1772 1 2.5 9.8 5 1 Rsense Constant Frequency Current Mode Step-Down DC/DC Controller in SOT-23 $1.81 (LTC1772CS6#TRPBF)
189LTC1735-1 1 3.5 36 20 1 Rsense LTC1735-1 Offers Power Good Flag $3.10 (LTC1735CS-1#PBF)
190LTC1735 1 3.5 36 20 1 Rsense- $3.10 (LTC1735CS#PBF)
191LTC1622 1 2 9.8 5 1 Rsense Low Vin Step Down Controller $1.85 (LTC1622CS8#PBF)
192LTC1625 1 3.7 36 10 1 None- $4.55 (LTC1625CS#PBF)