LTC1879EGN#PBF

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Analog Devices

CONV DC-DC 2.65V TO 10V SYNCHRONOUS STEP DOWN SINGLE-OUT 0.8V TO 10V 1.2A 16-PIN SSOP N TUBE

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LTC1879EGN#PBF

Active

Analog Devices

CONV DC-DC 2.65V TO 10V SYNCHRONOUS STEP DOWN SINGLE-OUT 0.8V TO 10V 1.2A 16-PIN SSOP N TUBE

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DocumentsDatasheet R419 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC1879EGN#PBF

Current - Output	1.2 A
Frequency - Switching	550 kHz
Function	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	Adjustable
Package / Case	0.154 in
Package / Case	16-SSOP
Package / Case	3.9 mm
Supplier Device Package	16-SSOP
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	10 V
Voltage - Input (Min) [Min]	2.65 V
Voltage - Output (Max) [Max]	10 V
Voltage - Output (Min/Fixed)	0.8 V

LTC1879 Series

1.2A Synchronous Step-Down Regulator with 15µA Quiescent Current

Part	Topology	Output Configuration	Output Type	Voltage - Output (Max) [Max]	Package / Case	Package / Case	Package / Case	Synchronous Rectifier	Frequency - Switching	Mounting Type	Voltage - Input (Max) [Max]	Voltage - Output (Min/Fixed)	Operating Temperature [Max]	Operating Temperature [Min]	Function	Number of Outputs	Voltage - Input (Min) [Min]	Supplier Device Package	Current - Output
Analog Devices LTC1879EGN#PBF	Buck	Positive	Adjustable	10 V	0.154 in	16-SSOP	3.9 mm		550 kHz	Surface Mount	10 V	0.8 V	85 °C	-40 °C	Step-Down	1	2.65 V	16-SSOP	1.2 A

Pricing

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

Distributor	Package	Quantity	$

Arrow	N/A	100	$ 5.91
Digikey	Tube	1	$ 12.80
		10	$ 9.04
		25	$ 8.07
		100	$ 6.99
		250	$ 6.46
		500	$ 6.14
		1000	$ 5.92

Description

General part information

LTC1879 Series

The LTC1879 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. Operating supply current is only 15µA with no load and drops to <1µA in shutdown. The input supply voltage range of 2.65V to 10V makes the LTC1879 ideally suited for both single and dual Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems.The switching frequency is internally set to 550kHz, allowing the use of small surface mount inductors and capacitors. For noise sensitive applications, the LTC1879 can be externally synchronized from 350kHz to 750kHz. Burst Mode operation is inhibited during synchronization or when the SYNC/MODE pin is pulled low.The internal synchronous rectifier switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with a 0.8V feedback reference voltage. The LTC1879 is available in a 16-lead SSOP package.ApplicationsCellular TelephonesPortable ComputersWireless Modems