Step-Up (Boost) Regulators
Analog Devices manufactures a broad line of high performance, step-up boost switching regulator ICs and boost switching controller ICs with both synchronous and nonsynchronous switches. These switching voltage regulators offer typical input voltage capability from less than 2 V up to 100 V+, switching frequencies up to 4 MHz, and high efficiency operation up to 96%. With burst mode operation, quiescent currents in the tens of micro-amps level can be attained. This combination of features allows for very small, low profile boost switching regulator circuit implementations with minimum external components. Many of these products can also be configured as SEPIC regulators or flyback topology switching regulators.
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Application Notes
- AN118 - High Voltage, Low Noise, DC/DC Converters PDF
- AN44 - LT1074/LT1076 Design Manual PDF
- AN52 - Linear Technology Magazine Circuit Collection, Volume 1 PDF
- AN61 - Practical Circuitry for Measurement and Control Problems PDF
- AN65 - A Fourth Generation of LCD Backlight Technology PDF
Design Notes
- DN545 - Monolithic Converter Delivers High Output Voltages PDF
- DN1033 - Easily Boost 12V to 140V with a Single Converter IC PDF
- DN376 - Monolithic Converter Drives High Power LEDs PDF
- DN370 - Buck or Boost: Rugged, Fast 60V Synchronous Controller Does Both PDF
- DN428 - Tiny Synchronous Step-Up Converter Starts Up at 700mV PDF
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Technical Articles Page
- Two Steps to High Voltages
- Synchronous, Low EMI LED Driver Features Integrated Switches and Internal PWM Dimming
- Design Once; Use Twice: Monolithic SEPIC/Boost Regulators with Wide VIN Range Satisfy Requirements of Both Consumer and Commercial Vehicles
- LT3759 Wide Vin, 48V @ >100mA Output Boost Converter that Works Down to 1.6V
- How NOT to Damage Your Switching Regulator Demo Board
Step-Up (Boost) Regulators
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Vout Max (typ) (V) | Switch Current (typ) (A) | Monolithic | Synchronous | Isupply (typ) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | LT8336 | 1 | 2.7 | 40 | 40 | 3 | Yes | Yes | 4µ | $2.56 (LT8336EV#PBF) |
| 2 | LTC7871 | 1 | 1.2 | 100 | 100 | - | No | Yes | 10m | $3.60 (LTC7871ELWE#PBF) |
| 3 | LTC7817 | 3 | 1 | 40 | 40 | - | No | Yes | 14µ | $3.75 (LTC7817EUHF#PBF) |
| 4 | LTC7841 | 1 | 4.5 | 60 | 60 | 25 | No | Yes | 2.5m | $3.95 (LTC7841EUHE#PBF) |
| 5 | LTC7804 | 1 | 1 | 40 | 40 | 25 | No | Yes | 14µ | $2.15 (LTC7804EMSE#PBF) |
| 6 | LT8228 | 1 | 6 | 100 | 100 | 25 | No | Yes | 214µ | $6.60 (LT8228EFE#PBF) |
| 7 | LTC7880 | 2 | 2.5 | 40 | 60 | 25 | No | Yes | 26m | $7.63 (LTC7880EUKG#PBF) |
| 8 | LT8551 | 1 | 3.6 | 80 | 80 | 100 | No | Yes | 5m | $2.95 (LT8551EUKG#PBF) |
| 9 | LT8365 | 1 | 2.8 | 60 | 150 | 2 | Yes | No | 9µ | $2.18 (LT8365EMSE#PBF) |
| 10 | LTC7818 | 3 | 4.5 | 40 | 40 | 25 | No | Yes | 14µ | $3.95 (LTC7818EUJ#PBF) |
| 11 | ADP5076 | 2 | 2.85 | 5.5 | 35 | 2 | Yes | No | 3.5m | $2.19 (ADP5076ACBZ-R7) |
| 12 | ADP5072 | 2 | 2.85 | 5.5 | 35 | 1 | Yes | No | 3.5m | $2.19 (ADP5072ACBZ-R7) |
| 13 | LTC7840 | 2 | 5.5 | 60 | 60 | 60 | No | No | 3m | $3.20 (LTC7840EFE#PBF) |
| 14 | LT8361 | 1 | 2.8 | 60 | 100 | 2 | Yes | No | 22µ | $2.06 (LT8361EMSE#PBF) |
| 15 | LTC7815 | 3 | 2.5 | 38 | 24 | 25 | No | Yes | 38µ | $4.35 (LTC7815EUHF#PBF) |
| 16 | LT8711 | 1 | 4.5 | 42 | 42 | 20 | No | Yes | 15µ | $2.30 (LT8711EUDC#PBF) |
| 17 | LT8362 | 1 | 2.8 | 60 | 60 | 2.5 | Yes | No | 22µ | $1.85 (LT8362EDD#PBF) |
| 18 | LTC1871X | 1 | 2.5 | 36 | 72 | 20 | No | No | 250µ | $125.00 (LTC1871XMS#PBF) |
| 19 | LTC3897-2 | 1 | 4.5 | 65 | 60 | 30 | No | Yes | 55µ | $5.50 (LTC3897EUHG-2#PBF) |
| 20 | LTC3897 | 1 | 4.5 | 65 | 60 | 30 | No | Yes | 55µ | $5.50 (LTC3897EFE#PBF) |
| 21 | LT8364 | 1 | 2.8 | 60 | 60 | 5 | Yes | No | 9µ | $2.06 (LT8364EDE#PBF) |
| 22 | LTC3871 | 1 | 1.2 | 100 | 100 | 30 | No | Yes | 8m | $5.40 (LTC3871ELXE#PBF) |
| 23 | LT8335 | 1 | 3 | 25 | 28 | 2.5 | Yes | No | 5.5µ | $2.50 (LT8335EDDB#TRPBF) |
| 24 | LTC7813 | 2 | 2.2 | 60 | 60 | 25 | No | Yes | 34µ | $4.82 (LTC7813EUH#PBF) |
| 25 | LTC7812 | 2 | 2.5 | 38 | 60 | 25 | No | Yes | 33µ | $4.00 (LTC7812EUH#PBF) |
| 26 | LT8331 | 1 | 4.5 | 100 | 140 | 600m | Yes | No | 5.5µ | $2.95 (LT8331EMSE#PBF) |
| 27 | LT3095 | 2 | 3 | 20 | 20 | 950m | Yes | No | 3.25m | $2.95 (LT3095EUDD#PBF) |
| 28 | LTC3121 | 1 | 500m | 5.5 | 15 | 1.8 | Yes | Yes | 25µ | $2.33 (LTC3121EDE#PBF) |
| 29 | LT8494 | 1 | 1 | 32 | 70 | 2.55 | Yes | No | 3µ | $2.85 (LT8494EFE#PBF) |
| 30 | LT8330 | 1 | 3 | 40 | 60 | 1.2 | Yes | No | 5.5µ | $2.50 (LT8330EDDB#TRPBF) |
| 31 | LTC3899 | 3 | 4.5 | 60 | 59.4 | 15 | No | Yes | 39µ | $4.95 (LTC3899EUHF#PBF) |
| 32 | LT8570-1 | 1 | 2.55 | 40 | 65 | 375m | Yes | No | 1.2m | $2.25 (LT8570EMS8E-1#PBF) |
| 33 | LT8570 | 1 | 2.55 | 40 | 65 | 750m | Yes | No | 1.2m | $2.25 (LT8570EDD#PBF) |
| 34 | LT8495 | 1 | 1 | 60 | 70 | 2.55 | Yes | No | 9µ | $2.95 (LT8495EFE#PBF) |
| 35 | LT8312 | 1 | 10 | 38 | 400 | 25 | No | No | 8m | $2.25 (LT8312EMS#PBF) |
| 36 | ADP5070 | 2 | 2.85 | 15 | 39 | 1 | Yes | No | 4m | $2.19 (ADP5070ACPZ) |
| 37 | ADP5071 | 2 | 2.85 | 15 | 39 | 2 | Yes | No | 4m | $2.39 (ADP5071ACPZ) |
| 38 | LT8709 | 1 | -80 | -4.5 | 80 | 25 | No | Yes | 4m | $3.65 (LT8709EFE#PBF) |
| 39 | LTC3769 | 1 | 2.3 | 60 | 60 | 25 | No | Yes | 28µ | $2.75 (LTC3769EUF#PBF) |
| 40 | LTC3124 | 1 | 500m | 5.5 | 15 | 7 | Yes | Yes | 25µ | $3.26 (LTC3124EDHC#PBF) |
| 41 | LT8580 | 1 | 2.5 | 40 | 65 | 1.5 | Yes | No | 1.2m | $2.35 (LT8580EDD#PBF) |
| 42 | ADP1606 | 1 | 800m | 1.8 | 3.3 | 1 | Yes | Yes | 55µ | $1.14 (ADP1606ACPZN1.8-R7) |
| 43 | LTC3872-1 | 1 | 2.75 | 9.8 | 60 | 10 | No | No | 250µ | $1.80 (LTC3872EDDB-1#TRPBF) |
| 44 | LTC3784 | 1 | 2.3 | 60 | 60 | 25 | No | Yes | 28µ | $3.76 (LTC3784EGN#PBF) |
| 45 | LT8710 | 1 | 4.5 | 80 | 80 | 25 | No | Yes | 4m | $3.41 (LT8710EFE#PBF) |
| 46 | LT8471 | 2 | 2.6 | 50 | 50 | 2.55 | Yes | No | 2.4m | $3.75 (LT8471EFE#PBF) |
| 47 | LT3048 | 1 | 2.7 | 4.8 | 15 | 400m | Yes | No | 475µ | $1.65 (LT3048EDC#TRPBF) |
| 48 | LTC3859AL | 3 | 4.5 | 38 | 24 | 25 | No | Yes | 55µ | $4.35 (LTC3859ALEUHF#PBF) |
| 49 | LT3905 | 1 | 2.7 | 12 | 65 | 400m | Yes | No | 650µ | $2.55 (LT3905EUD#PBF) |
| 50 | LTC3122 | 1 | 500m | 5.5 | 15 | 3.5 | Yes | Yes | 25µ | $2.33 (LTC3122EDE#PBF) |
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