TPS54312-Q1 - 汽车类 3V 至 6V 输入 3A 输出的同步降压 PWM 转换开关

TPS54312-Q1是TI德州仪器公司的一款转换器（集成开关）产品，TPS54312-Q1是汽车类 3V 至 6V 输入 3A 输出的同步降压 PWM 转换开关，本站介绍了TPS54312-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS54312-Q1相关的TI元器件型号供参考。

TPS54312-Q1 - 汽车类 3V 至 6V 输入 3A 输出的同步降压 PWM 转换开关 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

As members of the SWIFT family of dc/dc regulators, the TPS54311, TPS54312, TPS54313, TPS54314, TPS54315, and TPS54316 low-input-voltage high-output current synchronous-buck PWM converters integrate all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

The TPS54311, TPS54312, TPS54313, TPS54314, TPS54315, and TPS54316 devices are available in a thermally enhanced 20-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. Texas Instruments provides evaluation modules and the SWIFT designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

产品特性

Qualified for Automotive Applications
60-m MOSFET Switches for High Efficiency at 3-A Continuous Output Source or Sink Current
0.9-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed Output Voltage Devices With 1% Initial Accuracy
Internally Compensated for Low Parts Count
Fast Transient Response
Wide PWM Frequency: Fixed 350 kHz, 550 kHz, or Adjustable 280 kHz to 700 kHz
Load Protected by Peak Current Limit and Thermal Shutdown
Integrated Solution Reduces Board Area and Total Cost
APPLICATIONS
- Low-Voltage, High-Density Systems With Power Distributed at 5 V or 3.3 V
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors
- Broadband, Networking and Optical Communications Infrastructure
- Automotive Telematics

PowerPAD and SWIFT are trademarks of Texas Instruments.

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