TPS40055-EP - 增强型产品宽输入同步降压控制器

TPS40055-EP是TI德州仪器公司的一款控制器（外部开关）产品，TPS40055-EP是增强型产品宽输入同步降压控制器，本站介绍了TPS40055-EP的封装应用图解、特点和优点、功能等，并给出了与TPS40055-EP相关的TI元器件型号供参考。

TPS40055-EP - 增强型产品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 TPS40055 is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS40055 family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feed-forward, high-side current limit, and loop compensation.

The TPS40055 are also synchronizable to an external supply. The TPS40055 incorporates 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 TPS40055 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 a hiccup mode operation utilizing an internal fault counter for longer duration overloads.

产品特性

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™ (ηJC = 25°C/W)
Thermal Shutdown
Externally Synchronizable
Programmable High-Side Sense Short-Circuit Protection
Programmable Closed-Loop Soft-Start
TPS40055 Source/Sink
SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C/125°C) Temperature Range(1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
APPLICATIONS
- Power Modules
- Networking/Telecom
- Industrial/Servers

(1) Additional temperature ranges available - contact factory

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