Micropower Boost
Analog Devices micropower monolithic step-up (boost) converters are optimized for applications that need to maximize efficiency at very light loads. In addition to very wide input and output voltage ranges, these boost regulators offer synchronous rectification, integrated Schottky diodes, output disconnect, and greatly reduced conducted/emitted EMI. They are an ideal choice for single cell alkaline or lithium-ion powered devices, as well as industrial, medical, or automotive applications.
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LT Journal
- Ultralow Voltage Energy Harvester Uses Thermoelectric Generator for Battery-Free Wireless Sensors PDF
- September 2009 - Low Power Boost Regulator with Dual Half-Bridge in 3mm × 2mm DFN Drives MEMS and Piezo Actuators PDF
- June 2009 - Ultralow Power Boost Converters Require Only 8.5µA of Standby Quiescent Current PDF
- March 2009 - Boost Converters for Keep-Alive Circuits Draw Only 8.5μA of Quiescent Current PDF
- Dec 2005 Single Cell Step-Up DC/DC Converter Features 400mA Switch Current in an SC70 Package PDF
- May 2004 Synchronous Boost Converter with Output Disconnect Delivers 4W from Two Cells PDF
- May 2004 LCD Power Supply Provides ±15V Plus LED Driver PDF
- Feb 2004 High Efficiency Synchronous Boost Converter Provides Output Load Disconnect and Soft-start in ThinSOT Package PDF
- Feb 2004 Efficient, Flexible Boost Converter Fits into Charge-Pump Footprint PDF
- Sep 2003 Micropower SOT-23 Boost with Integrated Schottky Diode Provides Output Disconnect and Short Circuit Protection PDF
- May 2002 Small, Portable Altimeter Operates from a Single Cell PDF
- Mar 2002 Low Output Voltage Synchronous Boost Regulators Extend Battery Life in Single Cell Applications PDF
- Dec 2001 Simple and Efficient Way to Provide Three Supply Voltages for Small TFT LCDs PDF
- Sep 2001 1.2MHz ThinSOT Boost Converter Operates from a Single Cell, Saves Board Space and Delivers 93% Efficiency PDF
- Nov 2000 3MHz Synchronous Boost Regulators Save Critical Board Space in Portable Applications PDF
- May 1998 LT1610 Micropower Step-Up DC/DC Converter Runs at 1.7MHz PDF
- Feb 1998 Micropower 600kHz Fixed-Frequency DC/DC Converters Step Up from a 1-Cell or 2-Cell Battery PDF
Application Notes
- AN118 - High Voltage, Low Noise, DC/DC Converters PDF
- AN61 - Practical Circuitry for Measurement and Control Problems PDF
- AN65 - A Fourth Generation of LCD Backlight Technology PDF
- AN94 - Slew Rate Verification for Wideband Amplifiers: The Taming of the Slew PDF
- AN84 - Linear Technology Magazine Circuit Collection, Volume IV PDF
- AN67 - Linear Technology Magazine Circuit Collection, Volume III PDF
- AN60 - PCMCIA Card and Card Socket Power Management: PDF
- AN59 - Applications of the LT1300 and LT1301 Micropower DC/DC Converters PDF
Technical Articles
- LTC3786: High Efficiency Li-Ion Battery-to-USB Boost Converter
- How NOT to Damage Your Switching Regulator Demo Board
- Differences Between the Ćuk Converter and the Inverting Charge Pump Converter
- Monolithic Converter Delivers High Output Voltages
- Frequently Asked Questions: Thermoelectric Energy Harvesting With the LTC3108 & LTC3109
Design Notes
- DN545 - Monolithic Converter Delivers High Output Voltages PDF
- DN123 - Ultralow Power Comparators Include Reference PDF
- DN231 - Tiny Regulators Drive White LED Backlights PDF
- DN93 - PCMCIA Socket Voltage Switching PDF
- DN223 - SOT-23 DC/DC Converters Generate Up to ±35V Outputs and Consume Only 20µA of Quiescent Current PDF
- DN166 - LCD Bias and Backup Supply Applications for the LT1316 Micropower DC/DC Converter PDF
- DN128 - LT1307 Single-Cell Micropower Fixed-Frequency DC/DC Converter Needs No Electrolytic Capacitors PDF
- DN428 - Tiny Synchronous Step-Up Converter Starts Up at 700mV PDF
- DN359 - Dual DC/DC Converter with Integrated Schottkys Generates ±40V Outputs and Consumes Only 40µA Quiescent Current PDF
- DN358 - Compact Step-Up Converter Conserves Battery Power PDF
- DN332 - 4-Phase Monolithic Synchronous Boost Converter Delivers 2.5A with Output Disconnect in a 5mm x 5mm QFN Package PDF
- DN246 - 3MHz Micropower Synchronous Boost Converters Deliver 3W from Two Cells in a Tiny MSOP Package PDF
- DN232 - SOT-23 Switching Regulator with Integrated 1A Switch Delivers High Current Outputs in a Small Footprint PDF
- DN516 - 1μA IQ Synchronous Boost Converter Extends Battery Life in Portable Devices PDF
- DN485 - Complete Energy Utilization Improves Run Time of a Supercap Ride-Through Application by 40% PDF
- DN465 - Ultralow Power Boost Converters Require Only 8.5μA of Standby Quiescent Current PDF
- DN117 - 70mOhm Protected Load Management Switch PDF
Micropower Boost
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Switch Current (typ) (A) | Vout Max (typ) (V) | Isupply (typ) (A) | Synchronous | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC3897-2 | 1 | 4.5 | 65 | 30 | 60 | 55µ | Yes | $5.50 (LTC3897EUHG-2#PBF) |
| 2 | LT8361 | 1 | 2.8 | 60 | 2 | 100 | 22µ | No | $2.22 (LT8361IMSE#PBF) |
| 3 | LT8362 | 1 | 2.8 | 60 | 2.5 | 60 | 22µ | No | $2.05 (LT8362IDD#PBF) |
| 4 | LTC3897 | 1 | 4.5 | 65 | 30 | 60 | 55µ | Yes | $5.50 (LTC3897EFE#PBF) |
| 5 | LT8364 | 1 | 2.8 | 60 | 5 | 60 | 9µ | No | $2.06 (LT8364EDE#TRPBF) |
| 6 | LT8335 | 1 | 3 | 25 | 2.5 | 28 | 5.5µ | No | $2.50 (LT8335EDDB#TRPBF) |
| 7 | LT8331 | 1 | 4.5 | 100 | 600m | 140 | 5.5µ | No | $2.95 (LT8331EMSE#PBF) |
| 8 | LTC3121 | 1 | 500m | 5.5 | 1.8 | 15 | 25µ | Yes | $2.33 (LTC3121EDE#PBF) |
| 9 | LT8494 | 1 | 1 | 32 | 2.55 | 70 | 3µ | No | $2.85 (LT8494EFE#PBF) |
| 10 | LT8330 | 1 | 3 | 40 | 1.2 | 60 | 5.5µ | No | $2.50 (LT8330EDDB#TRPBF) |
| 11 | LT8495 | 1 | 1 | 60 | 2.55 | 70 | 9µ | No | $2.95 (LT8495EFE#PBF) |
| 12 | LTC3769 | 1 | 2.3 | 60 | 25 | 60 | 28µ | Yes | $2.75 (LTC3769EUF#PBF) |
| 13 | LTC3122 | 1 | 500m | 5.5 | 3.5 | 15 | 25µ | Yes | $2.33 (LTC3122EDE#PBF) |
| 14 | LTC3786 | 1 | 2.5 | 38 | 30 | 60 | 55µ | Yes | $2.53 (LTC3786EMSE#PBF) |
| 15 | LTC3108-1 | 3 | 20m | 500m | 300m | 4.5 | 6µ | Yes | $2.95 (LTC3108EDE-1#PBF) |
| 16 | LTC3528-2 | 1 | 500m | 5.5 | 1.5 | 5.25 | 12µ | Yes | $1.95 (LTC3528EDDB-2#TRPBF) |
| 17 | LTC3526LB-2 | 1 | 500m | 5.5 | 750m | 5.5 | 250µ | Yes | $1.85 (LTC3526LBEDC-2#TRPBF) |
| 18 | LTC3526L-2 | 1 | 500m | 5.5 | 750m | 5.5 | 9µ | Yes | $1.85 (LTC3526LEDC-2#TRPBF) |
| 19 | LT8415 | 1 | 2.2 | 16 | 25m | 40 | 10.5µ | No | $2.40 (LT8415EDDB#TRPBF) |
| 20 | LT3582 | 2 | 2.475 | 5.5 | 350m | 12 | 325µ | No | $2.25 (LT3582EUD#PBF) |
| 21 | LTC3535 | 2 | 500m | 5 | 750m | 5.25 | 9µ | Yes | $2.95 (LTC3535EDD#PBF) |
| 22 | LTC3108 | 3 | 20m | 500m | 300m | 5 | 6µ | Yes | $2.95 (LTC3108EDE#PBF) |
| 23 | LT8410-1 | 1 | 2.25 | 16 | 8m | 40 | 8.5µ | No | $1.75 (LT8410EDC-1#TRPBF) |
| 24 | LT8410 | 1 | 2.25 | 16 | 25m | 40 | 8.5µ | No | $1.75 (LT8410EDC#TRPBF) |
| 25 | LT3495-1 | 1 | 2.2 | 16 | 350m | 40 | 60µ | No | $1.75 (LT3495EDDB-1#TRPBF) |
| 26 | LT3495 | 1 | 2.2 | 16 | 650m | 40 | 60µ | No | $1.75 (LT3495BEDDB#TRPBF) |
| 27 | LTC3539 | 1 | 500m | 5 | 2.6 | 5.25 | 10µ | Yes | $2.50 (LTC3539EDCB#TRPBF) |
| 28 | LTC3527 | 2 | 500m | 5 | 800m | 5.25 | 12µ | Yes | $2.95 (LTC3527EUD#PBF) |
| 29 | LTC3528 | 1 | 500m | 5.5 | 1.5 | 5.25 | 12µ | Yes | $1.95 (LTC3528BEDDB#TRPBF) |
| 30 | LTC3537 | 2 | 680m | 5 | 750m | 5.25 | 15µ | Yes | $2.40 (LTC3537EUD#PBF) |
| 31 | LTC3526L | 1 | 500m | 5 | 750m | 5.25 | 9µ | Yes | $1.85 (LTC3526LBEDC#TRPBF) |
| 32 | LTC3525L-3 | 1 | 500m | 4.5 | 450m | 3 | 7µ | Yes | $1.90 (LTC3525LESC6-3#TRPBF) |
| 33 | LTC3525D-3.3 | 1 | 500m | 4.5 | 450m | 3.3 | 7µ | Yes | $1.81 (LTC3525DESC6-3.3#TRPBF) |
| 34 | LT3494A | 1 | 2.3 | 16 | 350m | 38 | 65µ | No | $1.45 (LT3494AEDDB#TRPBF) |
| 35 | LT3494 | 1 | 2.3 | 16 | 180m | 38 | 65µ | No | $1.45 (LT3494EDDB#TRPBF) |
| 36 | LTC3422 | 1 | 500m | 4.5 | 2.5 | 5.25 | 25µ | Yes | $2.95 (LTC3422EDD#PBF) |
| 37 | LTC3525 | 1 | 850m | 4.5 | 450m | 5 | 7µ | Yes | $1.81 (LTC3525ESC6-3#TRPBF) |
| 38 | LTC3458L | 1 | 1.4 | 6 | 2.1 | 6 | 12µ | Yes | $3.30 (LTC3458LEDE#PBF) |
| 39 | LTC3499 | 1 | 1.6 | 5.5 | 750m | 6 | 20µ | Yes | $2.15 (LTC3499BEDD#PBF) |
| 40 | LTC3458 | 1 | 1.4 | 6 | 1.6 | 7.5 | 15µ | Yes | $3.30 (LTC3458EDE#PBF) |
| 41 | LTC3400-1 | 1 | 500m | 5 | 850m | 5 | 19µ | Yes | $2.01 (LTC3400ES6-1#TRPBF) |
| 42 | LTC3459 | 1 | 1.5 | 5.5 | 75m | 10 | 10µ | Yes | $2.01 (LTC3459EDC#TRPBF) |
| 43 | LT3473A | 1 | 2.2 | 16 | 1.2 | 36 | 100µ | No | $2.05 (LT3473AEDE#PBF) |
| 44 | LT3473 | 1 | 2.2 | 16 | 1.2 | 36 | 100µ | No | $1.95 (LT3473EDD#PBF) |
| 45 | LTC3425 | 1 | 500m | 4.5 | 7 | 5.25 | 12µ | Yes | $4.38 (LTC3425EUH#PBF) |
| 46 | LTC3421 | 1 | 500m | 4.5 | 4.2 | 5.25 | 12µ | Yes | $3.50 (LTC3421EUF#PBF) |
| 47 | LT3463A | 2 | 2.2 | 15 | 250m | 40 | 40µ | No | $1.95 (LT3463AEDD#PBF) |
| 48 | LT3463 | 2 | 2.2 | 15 | 250m | 40 | 40µ | No | $1.95 (LT3463EDD#PBF) |
| 49 | LTC3429 | 1 | 500m | 4.4 | 850m | 5 | 20µ | Yes | $2.01 (LTC3429BES6#TRPBF) |
| 50 | LT3464 | 1 | 2 | 10 | 80m | 34 | 25µ | No | $1.56 (LT3464ETS8#TRPBF) |
| 51 | LTC3424 | 1 | 500m | 5 | 2.8 | 5.5 | 38µ | Yes | $3.50 (LTC3424EMS#PBF) |
| 52 | LTC3423 | 1 | 500m | 5 | 1.6 | 5.5 | 38µ | Yes | $2.60 (LTC3423EMS#PBF) |
| 53 | LT1945 | 2 | 1.2 | 15 | 350m | 36 | 20µ | No | $2.06 (LT1945EMS#PBF) |
| 54 | LT1944-1 | 2 | 1.2 | 15 | 175m | 36 | 20µ | No | $2.00 (LT1944-1EMS#PBF) |
| 55 | LTC3400 | 1 | 500m | 5 | 850m | 5 | 19µ | Yes | $2.01 (LTC3400ES6#TRPBF) |
| 56 | LT1944 | 2 | 1.2 | 15 | 350m | 36 | 20µ | No | $2.00 (LT1944EMS#PBF) |
| 57 | LTC3402 | 1 | 500m | 5 | 2.5 | 5 | 38µ | Yes | $3.50 (LTC3402EMS#PBF) |
| 58 | LTC3401 | 1 | 500m | 5 | 1.6 | 5.5 | 38µ | Yes | $2.60 (LTC3401EMS#PBF) |
| 59 | LT1615-1 | 1 | 1 | 15 | 100m | 36 | 20µ | No | $1.70 (LT1615ES5-1#TRPBF) |
| 60 | LT1615 | 1 | 1.2 | 15 | 350m | 36 | 20µ | No | $1.70 (LT1615ES5#TRPBF) |
| 61 | LT1308B | 1 | 1 | 10 | 3 | 34 | 2.5m | No | $3.25 (LT1308BCS8#PBF) |
| 62 | LT1308A | 1 | 1 | 10 | 3 | 34 | 140µ | No | $3.25 (LT1308ACS8#PBF) |
| 63 | LT1610 | 1 | 900m | 8 | 600m | 30 | 30µ | No | $1.65 (LT1610CS8#PBF) |
| 64 | LT1316 | 1 | 1.5 | 12 | 500m | 30 | 33µ | No | $2.45 (LT1316CS8#PBF) |
| 65 | LT1307B | 1 | 920m | 12 | 600m | 30 | 1m | No | $2.05 (LT1307BCS8#PBF) |
| 66 | LT1307 | 1 | 920m | 12 | 600m | 30 | 50µ | No | $2.05 (LT1307CN8#PBF) |
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