LTC3601

PRODUCTION

1.5A, 15V Monolithic Synchronous Step-Down Regulator

Part Models
8
1ku List Price
Starting From $2.78
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Part Details

  • 4V to 15V Operating Input Voltage Range
  • 1.5A Output Current
  • Up to 96% Efficiency
  • Very Low Duty Cycle Operation: 5% at 2.25MHz
  • Adjustable Switching Frequency: 800kHz to 4MHz
  • External Frequency Synchronization
  • Current Mode Operation for Excellent Line and Load Transient Response
  • User Selectable Burst Mode® (No Load IQ = 300μA) or Forced Continuous Operation
  • 0.6V Reference Allows Low Output Voltages
  • Short-Circuit Protected
  • Output Voltage Tracking Capability
  • Programmable Soft-Start
  • Power Good Status Output
  • Available in Small, Thermally Enhanced, 16-Pin QFN (3mm × 3mm) and MSOP Packages
LTC3601
1.5A, 15V Monolithic Synchronous Step-Down Regulator
Effi ciency and Power Loss vs Load Current Product Package 1 Product Package 2
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
LTC2974 RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Digital Temperature Sensors 1
LTC2991 RECOMMENDED FOR NEW DESIGNS Octal I2C Voltage, Current, and Temperature Monitor
Dual-Supply Monitors 1
LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
Multiple Output Buck Regulators 1
LTC3880 RECOMMENDED FOR NEW DESIGNS Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
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Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.


Evaluation Kits

eval board
DC1454A

LTC3601EMSE Demo Board (MSOP) | 4V ≤ VIN ≤ 15V, VOUT = 1.2V/1.8V/3.3V @ 1.5A

Product Details

Demonstration circuit 1353 is a step-down converter, using the LTC3601 monolithic synchronous buck regulator in the 16-lead MSOP exposed pad package. The DC1353A has a maximum input voltage 15V, and is capable of delivering up to 1.5A of output current at a minimum input voltage of 4V. The output voltage of the DC1353A can be set as low as 0.6V, the reference voltage of the LTC3601. At low load currents, the DC1353A operates in discontinuous mode, and during shutdown, it consumes less than 40 uA of quiescent current.

eval board
DC1353A

LTC3601EUD Demo Board (QFN) | 4V ≤ VIN ≤ 15V, VOUT = 1.2V/1.8V/3.3V @ 1.5A

Product Details

Demonstration circuit 1353 is a step-down converter, using the LTC3601 monolithic synchronous buck regulator in the 3mm x 3mm QFN-16 package. The DC1353A has a maximum input voltage 15V, and is capable of delivering up to 1.5A of output current at a minimum input voltage of 4V. The output voltage of the DC1353A can be set as low as 0.6V, the reference voltage of the LTC3601. At low load currents, the DC1353A operates in discontinuous mode, and during shutdown, it consumes less than 40 uA of quiescent current.



DC1454A
LTC3601EMSE Demo Board (MSOP) | 4V ≤ VIN ≤ 15V, VOUT = 1.2V/1.8V/3.3V @ 1.5A
DC1454A - Schematic
DC1353A
LTC3601EUD Demo Board (QFN) | 4V ≤ VIN ≤ 15V, VOUT = 1.2V/1.8V/3.3V @ 1.5A
DC1353A - Schematic

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