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LMR51430YDDCR TI Chips LMR51430 SIMPLE SWITCHER Power Converter 4.5-V to 36-V 3-A Synchronous

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LMR51430YDDCR TI Chips LMR51430 SIMPLE SWITCHER Power Converter 4.5-V to 36-V 3-A Synchronous

Brand Name:	TI Chips
Model Number:	LMR51430YDDCR
MOQ:	3000
Packaging Details:	3000PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Document:

Model:

LMR51430YDDCR

Product Name:

TI Chips

Type:

SMD/SMT

Output Voltage:

34.2 V

Output Current:

Quiescent Current:

40 UA

Supply Ability:

1000000

Highlight:

LMR51430YDDCR

LMR51430YDDCR TI Chips

4.5V Power Converter

Product Description

TI Chips LMR51430YDDCR LMR51430 SIMPLE SWITCHER® Power Converter 4.5-V to 36-V, 3-A, Synchronous

Features

• Functional Safety-Capable

– Documentation available to aid functional safety

system design

• Configured for rugged industrial applications

– 4.5-V to 36-V input voltage range

– 3-A continuous output current

– 70-ns minimum switching on time

– 500-kHz and 1.1-MHz fixed switching frequency

options

– –40°C to 150°C junction temperature range

– 98% maximum duty cycle

– Start-up with prebiased output

– Internal short circuit protection with hiccup

mode

– ±1.5% tolerance voltage reference

– Precision enable

• Small solution size and ease of use

– Integrated synchronous rectification

– Internal compensation for ease of use

– SOT-23 package

• Pin-to-pin compatible with the TPS54202 and

TPS54302

• PFM and forced PWM (FPWM) options available

• Create a custom design using the LMR51430 with

the WEBENCH® Power Designer

Applications

• Appliances

• Building automation

• Motor drives

• General purpose wide VIN power supplies

Description

The LMR51430 is a wide-VIN, easy-to-use SIMPLE

SWITCHER® power converter synchronous buck

converter capable of driving up to 3-A load current.

With a wide input range of 4.5 V to 36 V, the device is

suitable for a wide range of industrial applications for

power conditioning from an unregulated source.

The LMR51430 operates at 500-kHz and 1.1-MHz

switching frequency to support use of relatively small

inductors for an optimized solution size. The device

has a PFM version to realize high efficiency at

light load and 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 allows the device to be

used with minimum 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. The LMR51430 is available in a

6-pin SOT-23 package.

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products details

LMR51430YDDCR TI Chips LMR51430 SIMPLE SWITCHER Power Converter 4.5-V to 36-V 3-A Synchronous

OSRAM LED Chip

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