Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js

Menu
Product
Email
PDF
Order now

LM5141-Q1 Wide Input Range Synchronous Buck Controller
- SNVSAJ6D July 2016 – December 2017 LM5141-Q1
  
  PRODUCTION DATA.

CONTENTS
SEARCH

LM5141-Q1 Wide Input Range Synchronous Buck Controller

1 Features
2 Applications
3 Description
1. Device Images
  1. Simplified Schematic
4 Revision History
5 Pin Configuration and Functions
1. Pin Functions
6 Specifications
7 Detailed Description
8 Application and Implementation
1. 8.1 Application Information
2. 8.2 Typical Application
9 Power Supply Recommendations
10Layout
1. 10.1 Layout Guidelines
  1. 10.1.1 Layout Procedure
2. 10.2 Layout Examples
11Device and Documentation Support
12Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)

RGE|24

Thermal pad, mechanical data (Package|Pins)

RGE|24
- QFND008AA

Orderable Information

snvsaj6d_oa
snvsaj6d_pm

search No matches found.

Full reading width

Card for each section
Card with all content

DATA SHEET

LM5141-Q1 Wide Input Range Synchronous Buck Controller

1 Features

Qualified for Automotive Applications

AEC-Q100 Qualified With the Following Results:

Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
Device HBM ESD Classification Level 2
Device CDM ESD Classification Level C4B

V_IN: 3.8 V to 65 V (70 V Absolute Maximum)

Output: Fixed 3.3 V, 5 V, or Adjustable From
1.5 V to 15 V with ±0.8% Accuracy

Fixed 2.2-MHz or 440-kHz Switching Frequency with ±5% Accuracy

High-Side and Low-Side Gate Drive With Slew-Rate Control

Optional Frequency Shift by Varying an Analog Voltage or RT Resistor

Optional Synchronization to an External Clock

Optional Spread Spectrum

Shutdown Mode I_Q: 10 µA Typical

Low Standby Mode I_Q: 35 µA Typical

75-mV Current Limit Threshold with ±0.9% Accuracy

External Resistor or DCR Current Sensing

Output Enable Logic Input

Hiccup Mode for Sustained Overload

Power-Good Indication Output

Selectable Diode Emulation or Forced Pulse-Width Modulation

24-pin VQFN Package With Wettable Flanks

Create a Custom Design Using the LM5141-Q1 With the WEBENCH® Power Designer

2 Applications

Automotive Applications Including:
- Infotainment Systems
- Instrumentation Clusters
- Advanced Driver Assistance Systems (ADAS)

Texas Instruments

© Copyright 1995-2025 Texas Instruments Incorporated. All rights reserved.
Submit documentation feedback | IMPORTANT NOTICE | Trademarks | Privacy policy | Cookie policy | Terms of use | Terms of sale