LTC1502IS8-3.3#PBF

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Analog Devices

SINGLE CELL TO 3.3V REGULATED CHARGE PUMP DC/DC CONVERTER

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LTC1502IS8-3.3#PBF

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Analog Devices

SINGLE CELL TO 3.3V REGULATED CHARGE PUMP DC/DC CONVERTER

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC1502IS8-3.3#PBF

Current - Output	10 mA
Frequency - Switching	500 kHz
Function	Step-Up
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	8-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	8-SO
Synchronous Rectifier	False
Voltage - Input (Max) [Max]	1.8 V
Voltage - Input (Min) [Min]	0.9 V
Voltage - Output (Min/Fixed)	3.3 V

LTC1502-3.3 Series

Single Cell to 3.3V Regulated Charge Pump DC/DC Converter

Part	Supplier Device Package	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Function	Voltage - Input (Min) [Min]	Synchronous Rectifier	Current - Output	Voltage - Input (Max) [Max]	Voltage - Output (Min/Fixed)	Package / Case	Package / Case [y]	Package / Case [x]	Output Configuration	Frequency - Switching	Number of Outputs	Output Type
Analog Devices LTC1502IS8-3.3#PBF	8-SO	Surface Mount	85 °C	-40 °C	Step-Up	0.9 V		10 mA	1.8 V	3.3 V	8-SOIC	3.9 mm	0.154 in	Positive	500 kHz	1	1.81 mOhm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 6.41
		10	$ 4.43
		25	$ 3.92
		100	$ 3.81

Description

General part information

LTC1502-3.3 Series

The LTC1502-3.3 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.Forcing the C1−/SHDNpin through an external resistive pull-down puts the part into shutdown mode. During shutdown, the internal oscillator is stopped and the load is disconnected from VIN. An internal pull-up current on the C1−/SHDNpin forces the part back into normal operation once the pull-down resistance is removed.The LTC1502-3.3 is short-circuit protected and survives an indefinite VOUTshort to ground. The LTC1502-3.3 is available in 8-pin MSOP and SO packages.ApplicationsPagersBattery Backup SuppliesPortable Electronic EquipmentHandheld Medical InstrumentsGlucose Meters