LTC1514IS8-5#PBF

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Analog Devices

STEP-UP/STEP-DOWN SWITCHED CAPACITOR DC/DC CONVERTERS WITH LOW-BATTERY COMPARATOR

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LTC1514IS8-5#PBF

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Analog Devices

STEP-UP/STEP-DOWN SWITCHED CAPACITOR DC/DC CONVERTERS WITH LOW-BATTERY COMPARATOR

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DocumentsDatasheet R368 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC1514IS8-5#PBF

Current - Output	50 mA
Frequency - Switching	650 kHz
Function	Step-Up/Step-Down
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]	10 V
Voltage - Input (Min) [Min]	2.7 V
Voltage - Output (Min/Fixed)	5 V

LTC1514 Series

Step-Up/Step-Down Switched Capacitor DC/DC Converters with Low-Battery Comparator

Part	Output Configuration	Voltage - Input (Max) [Max]	Frequency - Switching	Mounting Type	Number of Outputs	Package / Case	Package / Case [y]	Package / Case [x]	Voltage - Input (Min) [Min]	Supplier Device Package	Current - Output	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Output (Min/Fixed)	Output Type	Function
Analog Devices LTC1514CS8-5#PBF	Positive	10 V	650 kHz	Surface Mount	1	8-SOIC	3.9 mm	0.154 in	2.7 V	8-SO	50 mA	70 °C	0 °C	5 V	1.81 mOhm	Step-Up/Step-Down
Analog Devices LTC1514IS8-5#PBF	Positive	10 V	650 kHz	Surface Mount	1	8-SOIC	3.9 mm	0.154 in	2.7 V	8-SO	50 mA	85 °C	-40 °C	5 V	1.81 mOhm	Step-Up/Step-Down
Analog Devices LTC1514CS8-3.3#PBF	Positive	8 V	650 kHz	Surface Mount	1	8-SOIC	3.9 mm	0.154 in	2 V	8-SO	50 mA	70 °C	0 °C	3.3 V	1.81 mOhm	Step-Up/Step-Down

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	$ 13.43
		10	$ 9.51
		25	$ 8.50
		100	$ 7.38
		250	$ 6.83
		500	$ 6.50
		1000	$ 6.30

Description

General part information

LTC1514 Series

The LTC1514-3.3/LTC1514-5 are micropower switched capacitor DC/DC converters that produce a regulated output voltage by either stepping up or stepping down the input voltage. Output voltage is fixed at either 3.3V (LTC1514-3.3) or 5V (LTC1514-5) by an internal resistor divider.A unique architecture allows the parts to accommodate a wide input voltage range (2V to 10V) while maintaining+4% regulation. Additional circuitry prevents excessive inrush current and output voltage ripple when large VINto VOUTdifferentials are present.An internal uncommitted comparator is kept active in shutdown. The comparator has an open-drain output for flexible interfacing.The parts are short-circuit and overtemperature protected. Battery life is maximized by very low operating currents (ICC= 60µA typ, 10µA in shutdown). Both parts are available in an SO-8 package.ApplicationsBattery Operated EquipmentSmart Card ReadersLocal Power SuppliesHandheld InstrumentsBattery Backup Supplies