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TPS57112-Q1 - 产品图解：
TPS57112-Q1-汽车类 2.95V 至 6V 输入、2A、2MHz 同步降压 SWIFT(TM) DCDC 转换器
TPS57112-Q1-转换器（集成开关）-DC/DC开关稳压器-电源管理
TPS57112-Q1-TPS57112-Q1 2.95-V to 6-V Input, 2-A Output, 2-MHz, Synchronous Step-Down SWIFT Converter
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TI产品 - TPS57112-Q1介绍

TPS57112-Q1 - 汽车类 2.95V 至 6V 输入、2A、2MHz 同步降压 SWIFT(TM) DCDC 转换器

TPS57112-Q1是TI德州仪器公司的一款转换器（集成开关）产品，TPS57112-Q1是汽车类 2.95V 至 6V 输入、2A、2MHz 同步降压 SWIFT(TM) DCDC 转换器，本站介绍了TPS57112-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS57112-Q1相关的TI元器件型号供参考。

TPS57112-Q1 - 汽车类 2.95V 至 6V 输入、2A、2MHz 同步降压 SWIFT(TM) DCDC 转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Two 12-mΩ (Typical) MOSFETs for High Efficiency at 2-A Loads
  • 200-kHz to 2-MHz Switching Frequency
  • 0.8 V ± 1% Voltage Reference Over Temperature (–40°C to 150°C)
  • Synchronizes to External Clock
  • Adjustable Slow Start and Sequencing
  • UV and OV Power-Good Output
  • –40°C to 150°C Operating Junction Temperature Range
  • Thermally Enhanced 3-mm × 3-mm 16-Pin QFN
  • Pin-Compatible to TPS54418
产品应用
  • Low-Voltage, High-Density Power Systems
  • Point-of-Load Regulation for High-Performance DSPs, FPGAs, ASICs, and Microprocessors
  • Broadband, Networking, and Optical Communications Infrastructure
产品说明

The TPS57112-Q1 device is a full-featured 6-V, 2-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS57112-Q1 device enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small 3-mm × 3-mm thermally enhanced QFN package.

The TPS57112-Q1 device provides accurate regulation for a variety of loads with a ±1% voltage reference (Vref) over temperature.

The integrated 12-mΩ MOSFETs and 515-μA typical supply current maximize efficiency. Using the enable pin to enter the shutdown mode reduces supply current to 5.5 µA, typical.

The internal undervoltage lockout setting is 2.45 V, but programming the threshold with a resistor network on the enable pin can increase the setting. The slow-start pin controls the output-voltage start-up ramp. An open-drain power-good signal indicates when the output is within 93% to 107% of its nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS57112-Q1WQFN (16)3.00 mm × 3.00 mm
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