TPS40100 - 用于定序的宽输入范围同步降压控制器

TPS40100是TI德州仪器公司的一款控制器（外部开关）产品，TPS40100是用于定序的宽输入范围同步降压控制器，本站介绍了TPS40100的封装应用图解、特点和优点、功能等，并给出了与TPS40100相关的TI元器件型号供参考。

TPS40100 - 用于定序的宽输入范围同步降压控制器 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS40100 is a mid voltage, wide-input (between 4.5 V and 18 V), synchronous, step-down controller. The TPS40100 offers programmable closed loop soft-start, programmable UVLO (with programmable hysteresis), programmable inductor sensed current limit and can be synchronized to other timebases. The TPS40100 incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFET. Gate drive logic incorporates adaptive anti-cross conduction circuitry for improved efficiency, reducing both cross conduction and diode conduction in the rectifier MOSFET. The externally programmable current limit provides a hiccup overcurrent recovery characteristic.

产品特性

Operation over 4.5 V to 18 V Input Range
Adjustable Frequency (Between 100 kHz and 600 kHz) Current Feedback Control
Output Voltage Range From 0.7 V to 5.5 V
Simultaneous, Ratiometric and Sequential Startup Sequencing
Adaptive Gate Drive
Remote Sensing (Via Separate GND/PGND)
Internal Gate Drivers for N-channel MOSFETs
Internal 5-V Regulator
24-Pin QFN Package
Thermal Shutdown
Programmable Overcurrent Protection
Power Good Indicator
1%, 690-mV Reference
Output Margining, 3% and 5%
Programmable UVLO (with Programmable Hysteresis)
Frequency Synchronization
APPLICATIONS
- Servers
- Networking Equipment
- Cable Modems and Routers
- XDSL Modems and Routers
- Set-Top Boxes
- Telecommunications Equipment
- Power Supply Modules

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