LTC1751EMS8-3.3#PBF

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Analog Devices

MICROPOWER, REGULATED CHARGE PUMP DC/DC CONVERTERS

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LTC1751EMS8-3.3#PBF

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Analog Devices

MICROPOWER, REGULATED CHARGE PUMP DC/DC CONVERTERS

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC1751EMS8-3.3#PBF

Current - Output	100 mA
Frequency - Switching	800 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-MSOP, 8-TSSOP
Package / Case	3 mm
Package / Case [custom]	0.118 in
Supplier Device Package	8-MSOP
Synchronous Rectifier	False
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	2.5 V
Voltage - Output (Min/Fixed)	3.3 V

LTC1751 Series

Micropower, Regulated Charge Pump DC/DC Converters

Part	Supplier Device Package	Mounting Type	Number of Outputs	Current - Output	Voltage - Input (Max) [Max]	Frequency - Switching	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Function	Synchronous Rectifier	Voltage - Output (Min/Fixed)	Package / Case	Package / Case [custom]	Package / Case	Output Configuration	Voltage - Input (Min) [Min]
Analog Devices LTC1751EMS8-3.3#PBF	8-MSOP	Surface Mount	1	100 mA	5.5 V	800 kHz	1.81 mOhm	85 °C	-40 °C	Step-Up		3.3 V	8-MSOP 8-TSSOP	0.118 in	3 mm	Positive	2.5 V
Analog Devices LTC1751EMS8-3.3#TRPBF	8-MSOP	Surface Mount	1	100 mA	5.5 V	800 kHz	1.81 mOhm	85 °C	-40 °C	Step-Up		3.3 V	8-MSOP 8-TSSOP	0.118 in	3 mm	Positive	2.5 V

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	$ 8.66
		10	$ 5.96
		25	$ 5.27
		100	$ 4.49
		250	$ 4.11
		500	$ 3.88
		1000	$ 3.69
		2500	$ 3.56
LCSC	Piece	1	$ 4.37
		200	$ 1.69
		500	$ 1.63
		1000	$ 1.60

Description

General part information

LTC1751 Series

The LTC1751 family are micropower charge pump DC/DC converters that produce a regulated output voltage at up to 100mA. The input voltage range is 2V to 5.5V. Extremely low operating current (20µA typical with no load) and low external parts count (one flying capacitor and two small bypass capacitors at VINand VOUT) make them ideally suited for small, battery-powered applications.The LTC1751 family operate as Burst Mode™switched capacitor voltage doublers to achieve ultralow quiescent current. They have thermal shutdown capability and can survive a continuous short circuit from Voutto GND. The PGOOD pin on the LTC1751-3.3 and LTC1751-5 indicates when the output voltage has reached its final value and if the output has an undervoltage fault condition. The FB pin of the adjustable LTC1751 can be used to program the desired output voltage or current. An optional soft-start capacitor may be used at the SS pin to prevent excessive inrush current during start-up.The LTC1751 family is available in an 8-pin MSOP package.ApplicationsLi-Ion Battery Backup SuppliesLocal 3V and 5V ConversionSmart Card ReadersPCMCIA Local 5V SuppliesWhite LED Backlighting