LMR51410XFDBVR

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Texas Instruments

SIMPLE SWITCHER® 4V TO 42V, 1A SYNCHRONOUS BUCK CONVERTER WITH 26.5UA IQ

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LMR51410XFDBVR

Active

Texas Instruments

SIMPLE SWITCHER® 4V TO 42V, 1A SYNCHRONOUS BUCK CONVERTER WITH 26.5UA IQ

Find alt

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Description Specifications Series Pricing CAD Documents

Description

General part information

LMR51410 Series

The LMR514xx is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 0.6A and 1A load current. With a wide input range of 4V to 42V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR514xx operates at 400kHz and 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR514xx has a PFM version to realize high efficiency at light load and a FPWM version to achieve constant frequency and small output voltage ripple over the full load range. Soft-start and compensation circuits are implemented internally, which allow the device to be used with minimal external components.

The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.

Technical Specifications

Parameters and characteristics for this part

Specification	LMR51410XFDBVR

Current - Output	1 A
Frequency - Switching	400 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	150 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	SOT-23-6
Package Name	SOT-23-6
Synchronous Rectifier	Yes
Topology	Buck
Voltage - Input (Max)	42 V
Voltage - Input (Min)	4 V
Voltage - Output (Max)	28 V
Voltage - Output (Min/Fixed)	0.8 V

LMR51410 Series

SIMPLE SWITCHER® 4V to 42V, 1A synchronous buck converter with 26.5uA IQ

Part	Voltage - Input (Max)	Voltage - Output (Min/Fixed)	Output Type	Output Configuration	Synchronous Rectifier	Voltage - Output (Max)	Frequency - Switching	Function	Current - Output	Topology	Operating Temperature (Min)	Operating Temperature (Max)	Voltage - Input (Min)	Package Name	Mounting Type	Package / Case	Number of Outputs
Texas Instruments LMR51410XFDBVR	42 V	0.8 V	Adjustable	Positive	Yes	28 V	400 kHz	Step-Down	1 A	Buck	-40 °C	150 °C	4 V	SOT-23-6	Surface Mount	SOT-23-6	1
Texas Instruments LMR51410XDBVR	42 V	0.8 V	Adjustable	Positive	Yes	28 V	400 kHz	Step-Down	1 A	Buck	-40 °C	150 °C	4 V	SOT-23-6	Surface Mount	SOT-23-6	1
Texas Instruments LMR51410YDBVR	42 V	0.8 V	Adjustable	Positive	Yes	28 V	1.1 MHz	Step-Down	1 A	Buck	-40 °C	150 °C	4 V	SOT-23-6	Surface Mount	SOT-23-6	1
Texas Instruments LMR51410YFDBVR	42 V	0.8 V	Adjustable	Positive	Yes	28 V	1.1 MHz	Step-Down	1 A	Buck	-40 °C	150 °C	4 V	SOT-23-6	Surface Mount	SOT-23-6	1

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

LMR514xx Functional Safety FIT Rate, FMD and Pin FMA

LMR514xx SIMPLE SWITCHER Power Converter, 4V to 42V, 0.6A / 1A Buck Converter in a SOT-23 Package datasheet

LMR51410XFDBVR | Datasheet