TPS40131 - 具有集成 Mosfet 驱动器的二相同步降压控制器

TPS40131是TI德州仪器公司的一款控制器（外部开关）产品，TPS40131是具有集成 Mosfet 驱动器的二相同步降压控制器，本站介绍了TPS40131的封装应用图解、特点和优点、功能等，并给出了与TPS40131相关的TI元器件型号供参考。

TPS40131 - 具有集成 Mosfet 驱动器的二相同步降压控制器 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS40131 is a two-phase synchronous buck controller thatis optimized for low-output voltage, high-output current applications powered from a supply between 1 V and 40 V. A multi-phase converter offers several advantages over a single power stage including lower current ripple on the input and output capacitors, faster transient response to load steps, improved power handling capabilities, and higher system efficiency.

Each phase can be operated at a switching frequency up to 1 MHz, resulting in an effective ripple frequency of up to 2 MHz at the input and the output. The two phases operates 180 degrees out-of-phase.

产品特性

Supports 5-V Output
Two-Phase InterleavedOperation
Operates With Pre-Biased Outputs
1-V to 40-V Power Stage Operation Range
Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency
10-µA Shutdown Current
Programmable Switching Frequency up to 1 MHz/Phase
Current Mode Control with Forced Current Sharing
Better than 1% Internal 0.7-V Reference
Resistive Divider Sets Direct Output Over Voltage Threshold.
Programmable Input Undervoltage Lockout
True Remote Sensing Differential Amplifier
Resistive or Inductor’s DCR Current Sensing
32-Pin QFN Package
Can Be Used with TPS40120 to Provide a 6-Bit Digitally Controlled Output
APPLICATIONS
- Point-of-Load Converter
- Graphic Cards
- Internet Servers
- Networking Equipment
- Telecommunications Equipment
- DC Power Distributed Systems

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