LT1612EMS8#TRPBF

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Analog Devices Inc./Maxim Integrated

SYNCHRONOUS, STEP-DOWN 800KHZ PWM DC/DC CONVERTER

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LT1612EMS8#TRPBF

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Analog Devices Inc./Maxim Integrated

SYNCHRONOUS, STEP-DOWN 800KHZ PWM DC/DC CONVERTER

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Description Specifications Series Pricing CAD Documents

Description

General part information

LT1612 Series

The LT1612 is an 800kHz, synchronous step-down DC/DC converter that operates from an input voltage as low as 2V. Internal 0.45Ohms switches deliver output currents up to 500mA, and the 800kHz switching frequency allows the use of small, low value ceramic input and output capacitors. Input voltage ranges from 5.5V down to 2V and output voltage can be set as low as the 620mV reference. The device features Burst Mode operation, keeping efficiency high at light loads. Burst Mode operation can be defeated by pulling the MODE pin high, enabling constant switching throughout the load range for low noise.No-load quiescent current is 160µA and shutdown current is less than 1µA. The device is available in 8-lead SO and MSOP packages.ApplicationsPortable DevicesLithium-Ion Step-Down Converters5V to 3.3V Conversion2-Cell Alkaline Step-Down Converters

Technical Specifications

Parameters and characteristics for this part

Specification	LT1612EMS8#TRPBF

Current - Output	500 mA
Frequency - Switching	800 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	70 °C
Operating Temperature (Min)	0 °C
Output Configuration	Positive
Output Type	Adjustable
Package Length	0.118 in
Package Name	8-TSSOP, 8-MSOP, 8-MSOP
Package Width	3 mm
Synchronous Rectifier	Yes
Topology	Buck
Voltage - Input (Max)	5.5 V
Voltage - Input (Min)	2 V
Voltage - Output (Max)	4.95 V
Voltage - Output (Min/Fixed)	0.62 V

LT1612 Series

Part	Voltage - Output (Min/Fixed)	Output Configuration	Output Type	Number of Outputs	Frequency - Switching	Topology	Function	Voltage - Input (Max)	Package Length	Package Name	Package Width	Voltage - Input (Min)	Mounting Type	Voltage - Output (Max)	Current - Output	Operating Temperature (Max)	Synchronous Rectifier
Analog Devices Inc./Maxim Integrated LT1612ES8#TRPBF	0.62 V	Positive	Adjustable	1	800 kHz	Buck	Step-Down	5.5 V	0.154 in	8-SO 8-SOIC	3.9 mm	2 V	Surface Mount	4.95 V	500 mA	70 °C	Yes
Analog Devices Inc./Maxim Integrated LT1612EMS8#PBF	0.62 V	Positive	Adjustable	1	800 kHz	Buck	Step-Down	5.5 V	0.118 in	8-MSOP 8-TSSOP 8-MSOP	3 mm	2 V	Surface Mount	4.95 V	500 mA	70 °C	Yes
Analog Devices Inc./Maxim Integrated LT1612EMS8#TRPBF	0.62 V	Positive	Adjustable	1	800 kHz	Buck	Step-Down	5.5 V	0.118 in	8-MSOP 8-TSSOP 8-MSOP	3 mm	2 V	Surface Mount	4.95 V	500 mA	70 °C	Yes
Analog Devices Inc./Maxim Integrated LT1612ES8#PBF	0.62 V	Positive	Adjustable	1	800 kHz	Buck	Step-Down	5.5 V	0.154 in	8-SO 8-SOIC	3.9 mm	2 V	Surface Mount	4.95 V	500 mA	70 °C	Yes

Pricing

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CAD

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Documents

Technical documentation and resources

Tape and Reel Packaging

LT1612EMS8#TRPBF | Datasheet

R389 Reliability Data