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See Technical Specifications

LM5143QRHARQ1 +BOM

Automotive, 3.5-V to 65-V low-IQ, dual output, stackable synchronous buck DC-DC controller

Manufacturer:

TI
Mfr.Part #:

LM5143QRHARQ1
Datasheet:

LM5143QRHARQ1 Datasheet (PDF)
Vin (min) (V):

3.5
Vin (max) (V):

65
Vout (min) (V):

0.6
Vout (max) (V):

55
EDA/CAD Models:

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Tel: +852 95804164

LM5143QRHARQ1 General Description

With a keen focus on automotive applications, the LM5143QRHARQ1 is designed to deliver superior performance and reliability. Its wide input voltage range from 3.5V to 65V makes it an excellent fit for a multitude of automotive systems, from power distribution to infotainment. The peak current mode control architecture ensures exceptional transient response and facilitates high step-down ratios, while the programmable switching frequency of up to 2.1MHz allows for maximum efficiency and size optimization in power supply designs

Key Features

MOSFET gate drivers
2MHz switching frequency
VQFN-40 package

Specifications

Vin (min) (V)	3.5	Vin (max) (V)	65
Vout (min) (V)	0.6	Vout (max) (V)	55
Iout (max) (A)	40	Iq (typ) (mA)	0.015
Switching frequency (min) (kHz)	100	Switching frequency (max) (kHz)	2200
EMI features	Spread Spectrum	Features	Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Multiple Outputs, Phase Interleaving, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, UVLO adjustable
Operating temperature range (°C)	-40 to 150	Regulated outputs (#)	2
TI functional safety category	Functional Safety-Capable	Number of phases	2
Rating	Automotive	Control mode	current mode
Type	Controller

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty

365-Day Product

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Ratings and Reviews

J**a 07/23/2022

How many pieces did not count. it was only necessary 7.

N**s 04/16/2022

When you order see the height of who in the topic, he will understand, everything in the description, read in the description, the truth with the reverse is not to deceive the photo.

J**n 07/03/2021

All received, thank you! The seller quickly sent, but the mail was carried on the turtle for a very short time.