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TPS62674 - 产品图解：
TPS62674-转换器（集成开关）-DC/DC开关稳压器-电源管理
TPS62674-TPS6267x 500-mA/650-mA, 6-MHz High-Efficiency Step-Down Converter in Low Profile Chip Scale Packaging (Height < 0.4mm)
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TI产品 - TPS62674介绍

TPS62674 - 采用半高芯片级封装的 500mA、6MHz 高效降压转换器，Vout=1.26V

TPS62674是TI德州仪器公司的一款转换器（集成开关）产品，TPS62674是采用半高芯片级封装的 500mA、6MHz 高效降压转换器，Vout=1.26V，本站介绍了TPS62674的封装应用图解、特点和优点、功能等，并给出了与TPS62674相关的TI元器件型号供参考。

TPS62674 - 采用半高芯片级封装的 500mA、6MHz 高效降压转换器，Vout=1.26V - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性
  • 92% Efficiency at 6MHz Operation
  • 17μA Quiescent Current
  • Wide VIN Range From 2.3V to 4.8V
  • 6MHz Regulated Frequency Operation
  • Spread Spectrum, PWM Frequency Dithering
  • Best in Class Load and Line Transient
  • ±2% Total DC Voltage Accuracy
  • Low Ripple Light-Load PFM Mode
  • ≥35dB VIN PSRR (1kHz to 10kHz)
  • Simple Logic Enable Inputs
  • Supports External Clock Presence Detect Enable Input
  • Three Surface-Mount External Components Required (One 0603 MLCC Inductor, Two 0402 Ceramic Capacitors)
  • Complete Sub 0.33-mm Component Profile Solution
  • Total Solution Size <10 mm2
  • Available in a 6-Pin NanoFree™ (CSP) Ultra-Thin Packaging, 0.4mm Max. Height
产品应用
  • Cell Phones, Smart-Phones
  • CMOS Camera Module, Optical Data Module
  • Digital TV, WLAN, GPS and Bluetooth™ Applications
  • Embedded Power Supply
产品说明

The TPS6267x devices are high-frequency synchronous step-down dc-dc converters optimized for small battery-powered applications. Intended for low-power applications, the TPS6267x supports up to 650-mA load current and allows the use of low cost chip inductor and capacitors.

With a wide input voltage range of 2.3V to 4.8V, the device supports applications powered by Li-Ion batteries with extended voltage range. Different fixed voltage output versions are available from 1.05V to 2.1V. The TPS6267x operates at a regulated 6-MHz switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

The PFM mode extends the battery life by reducing the quiescent current to 17μA (typ) during light load operation. For noise-sensitive applications, the device has PWM spread spectrum capability providing a lower noise regulated output, as well as low noise at the input. These features, combined with high PSRR and AC load regulation performance, make this device suitable to replace a linear regulator to obtain better power conversion efficiency.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS62671, TPS62672, TPS62674, TPS62675, TPS626751, TPS626765DSBGA (6)1.22mm x 0.85mm
TPS62679PicoStar (6)1.22mm x 0.85mm
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