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LTC1502-3.3 Datasheet

Part NameDescriptionManufacturer
LTC1502-3.3 Single Cell to 3.3V Regulated Charge Pump DC/DC Converter Linear
Linear Technology Linear
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DESCRIPTION
The LTC®1502-3.3 is a quadrupler charge pump DC/DC converter that produces a regulated 3.3V output from a single alkaline cell input. It requires only five small external capacitors—no inductors are required. Low supply current (40µA typical, 5µA in shutdown) and minimal external components make the LTC1502-3.3 ideal for space and power conscious single-cell applications. The total printed circuit board area of the circuit shown below is less than 0.125in2.

FEATURES
■ Input Voltage Range: 0.9V to 1.8V
■ 0.9V Guaranteed Start-Up Voltage
■ Regulated Output Voltage: 3.3V ±4%
■ Output Current: 10mA (VIN ≥ 1V)
■ No Inductors
■ Shutdown Disconnects Load from VIN
■ Low Operating Current: 40µA
■ Low Shutdown Current: 5µA
■ Short-Circuit and Overtemperature Protected
■ Application Circuit Fits in <0.125in2 PCB Area
■ Available in 8-Pin MSOP and SO Packages

APPLICATIONS
■ Pagers
■ Battery Backup Supplies
■ Portable Electronic Equipment
■ Handheld Medical Instruments
■ Glucose Meters

 

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