Regulated Step-Up Charge Pumps
Analog Devices’ family of regulated step-up charge pumps are used to step-up or boost an input voltage to a higher-level regulated output voltage. By eliminating the inductor, these switched capacitor converters offer a small solution footprint and a simple design than conventional inductive switchers. Key features include low quiescent current, multimode operation with automatic mode switching to maintain regulation, Iout up to 500mA, low noise constant frequency operation, Burst Mode® operation, overtemperature, fault and short-circuit protection.
Product Selection Table
Latest Resources
Application Notes
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- AN84 - Linear Technology Magazine Circuit Collection, Volume IV PDF
- AN70 - A Monolithic Switching Regulator with 100µV Output Noise PDF
- AN66 - Linear Technology Magazine Circuit Collection, Volume II PDF
Design Notes
- DN231 - Tiny Regulators Drive White LED Backlights PDF
- DN243 - New Charge Pumps Offer Low Input and Output Noise PDF
- DN189 - Step-Up/Step-Down DC/DC Conversion Without Inductors PDF
- DN142 - Ultralow Quiescent Current DC/DC Converters for Light Load Applications PDF
- DN97 - Flash Memory VPP Generator Reference Designs PDF
Technical Articles Page
Regulated Step-Up Charge Pumps
| SortOrder | Part# | Number of Outputs | Vin (min) (V) | Vin (max) (V) | Output Current (typ) (A) | Output Voltage | Isupply (typ) (A) | Comments | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC3290 | 1 | 4.5 | 55 | 50m | 1V + Vin + Vaux | 15µ | High Voltage Boost Charge Pump | $2.33 (LTC3290EMSE#PBF) |
| 2 | LTC3265 | 2 | 4.5 | 32 | 50m | Adj, -Adj | 85µ | Low Noise Dual Supply with Boost and Inverting Charge Pumps | $3.80 (LTC3265EDHC#PBF) |
| 3 | LTC3221 | 1 | 1.8 | 5.5 | 60m | 3.3V, 5V, Adj | 8µ | Micropower, Regulated Charge Pump in 2 x 2 DFN | $1.60 (LTC3221EDC#TRPBF) |
| 4 | LTC3240 | 1 | 1.8 | 5.5 | 150m | 2.5V, 3.3V | 65µ | 3.3V/2.5V Step-Up/Step-Down Charge Pump DC/DC Converter | $1.60 (LTC3240EDC-2.5#TRPBF) |
| 5 | LTC3203 | 1 | 2.7 | 5.5 | 500m | 5V | 120µ | 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps | $2.00 (LTC3203BEDD#PBF) |
| 6 | LTC3201 | 1 | 2.7 | 4.5 | 100m | Adj | 4m | Ultralow Noise, White LED Driver | $1.90 (LTC3201EMS#PBF) |
| 7 | LTC3200 | 1 | 2.7 | 4.5 | 100m | 5V, Adj | 3.5m | Low Noise, Doubler/White LED Driver | $1.66 (LTC3200ES6-5#TRPBF) |
| 8 | LTC3202 | 1 | 2.7 | 4.5 | 125m | Adj | 2.5m | Low Noise, Fractional White LED Driver | $1.90 (LTC3202EMS#PBF) |
| 9 | LTC1928-5 | 1 | 2.7 | 4.4 | 30m | 5V | 190µ | Doubler with Internal LDO Linear Regulator, Low Noise | $1.76 (LTC1928ES6-5#TRPBF) |
| 10 | LTC1751-5 | 1 | 2 | 5.5 | 100m | 5V | 20µ | SD Disconnect | $2.25 (LTC1751EMS8-5#PBF) |
| 11 | LTC1751-3.3 | 1 | 2 | 5.5 | 100m | 3.3V | 20µ | SD Disconnect | $2.25 (LTC1751EMS8-3.3#PBF) |
| 12 | LTC1751 | 1 | 2 | 5.5 | 100m | Adj | 20µ | SD Disconnect | $2.25 (LTC1751EMS8#PBF) |
| 13 | LTC1555L-1.8 | 1 | 2.6 | 6.6 | 20m | 1.8V, 3V, 5V | 32µ | SIM Power Supply & Level Translator | $2.20 (LTC1555LEGN-1.8#PBF) |
| 14 | LTC1555L | 1 | 2.6 | 6.6 | 20m | 3V, 5V | 40µ | SIM Power Supply & Level Translator | $2.00 (LTC1555LEGN#PBF) |
| 15 | LTC1986 | 1 | 2.6 | 4.4 | 10m | 5V, Vin | 14µ | SIM Power Supply | $1.43 (LTC1986ES6#TRPBF) |
| 16 | LTC1755 | 1 | 2.7 | 6 | 60m | 3V, 5V | 60µ | Universal Smart Card Interface | $2.55 (LTC1755EGN#PBF) |
| 17 | LTC1754-5 | 1 | 2 | 4 | 40m | 5V | 13µ | SD Disconnect | $1.50 (LTC1754ES6-5#TRPBF) |
| 18 | LTC1754-3.3 | 1 | 2 | 4 | 40m | 3.3V | 13µ | SD Disconnect | $1.50 (LTC1754ES6-3.3#TRPBF) |
| 19 | LTC1682 | 1 | 1.8 | 4.4 | 50m | 3.3V, 5V, Adj | 150µ | 500µVPP Output Noise | $1.70 (LTC1682CS8#PBF) |
| 20 | LTC1502-3.3 | 1 | 900m | 1.8 | 10m | 3.3 | 40µ | Quadrupler, SD Disconnect | $1.75 (LTC1502CS8-3.3#PBF) |
| 21 | LTC1756 | 1 | 2.7 | 6 | 60m | 3V, 5V | 60µ | Universal Smart Card Interface | $2.30 (LTC1756EGN#PBF) |
| 22 | LTC1517-3.3 | 1 | 2.2 | 4.4 | 15m | 3.3V | 6µ | Micropower, Regulated 3.3V Charge Pump in a 5-Pin SOT-23 Package | $2.00 (LTC1517CS5-3.3#TRPBF) |
| 23 | LTC1556 | 1 | 2.7 | 10 | 20m | 5V | 60µ | SIM Power Supply & Level Translator | $3.35 (LTC1556CGN#PBF) |
| 24 | LTC1555 | 1 | 2.7 | 10 | 20m | 5V | 60µ | SIM Power Supply & Level Translator | $2.85 (LTC1555CGN#PBF) |
| 25 | LTC1522 | 1 | 2.7 | 5 | 20m | 5V | 6µ | SD Disconnect | $1.75 (LTC1522CS8#PBF) |
| 26 | LTC1517-5 | 1 | 2.7 | 5 | 20m | 5V | 6µ | Micropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package | $2.00 (LTC1517CS5-5#TRPBF) |
| 27 | LTC1515 | 1 | 2.7 | 10 | 50m | 3.3V, 5V | 60µ | Step Up/Down Operation. Power On Reset | $3.50 (LTC1515CS8#PBF) |
| 28 | LTC1514 | 1 | 2.7 | 10 | 50m | 3.3, 5V | 60µ | Step Up/Down Operation. Low Battery Comparator | $3.50 (LTC1514CS8-3.3#PBF) |
| 29 | LTC1263 | 1 | 5 | 5 | 60m | 12V | 300µ | 12V ±5% Out. Good for Flash Memory | $3.30 (LTC1263CS8#PBF) |
| 30 | LTC1516 | 1 | 2 | 5 | 50m | 5V | 12µ | Doubler/Tripler. High Efficiency | $3.35 (LTC1516CS8#PBF) |
| 31 | LTC1262 | 1 | 5 | 5 | 30m | 12V | 500µ | 12V ±5% Out. Good for Flash Memory VPP | $2.15 (LTC1262CS8#PBF) |
| 32 | LT1054L | 1 | 3.5 | 7 | 125m | Adj | 2.5m | Charge Pump, Doubler or Inverter | $2.00 (LT1054LCS8#PBF) |
| 33 | LT1054 | 1 | 3.5 | 15 | 100m | Adj | 2.5m | Charge Pump, Doubler or Inverter | $2.65 (LT1054CN8#PBF) |
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