TPS40051-Q1 - 汽车类宽输入同步降压控制器

TPS40051-Q1是TI德州仪器公司的一款控制器（外部开关）产品，TPS40051-Q1是汽车类宽输入同步降压控制器，本站介绍了TPS40051-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS40051-Q1相关的TI元器件型号供参考。

TPS40051-Q1 - 汽车类宽输入同步降压控制器 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS4005x is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS4005x family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feedforward, high-side current limit, and loop compensation.

The TPS4005x are also synchronizable to an external supply. They incorporate MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The TPS4005x uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients with near constant gain with input variation which eases loop compensation.

The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

产品特性

Qualified for Automotive Applications
Operating Input Voltage 8 V to 40 V
Input Voltage Feed-Forward Compensation
< 1 % Internal 0.7-V Reference
Programmable Fixed-Frequency Up to 1 MHz Voltage Mode Controller
Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
16-Pin PowerPAD™. Package (λJC = 2°C/W)
Thermal Shutdown
Externally Synchronizable
Programmable High-Side Current Limit
Programmable Closed-Loop Soft-Start
TPS40050 Source Only
TPS40051 Source/Sink
TPS40053 Source/Sink With VOUT Prebias
APPLICATIONS
- Power Modules
- Networking/Telecom
- Industrial
- Servers

PowerPAD is trademark of Texas Instruments.

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