TPS728 - 单路输出 LDO、200mA、双电平固定电压，具有 Vset 引脚

TPS728是TI德州仪器公司的一款单通道LDO产品，TPS728是单路输出 LDO、200mA、双电平固定电压，具有 Vset 引脚，本站介绍了TPS728的封装应用图解、特点和优点、功能等，并给出了与TPS728相关的TI元器件型号供参考。

TPS728 - 单路输出 LDO、200mA、双电平固定电压，具有 Vset 引脚 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The TPS728xx series of low-dropout linear regulators (LDOs), with a selectable dual-voltage level output, is designed specially for applications that require two levels of output voltage regulation. Programming fuses and memory cards, reducing leakage effects, and conserving power in nanometric processes are some application examples.

The VSET pin is used to select one of two output voltage levels preset through innovative factory EEPROM programming. A precision bandgap and error amplifier provides an overall 3% accuracy over load, line, and temperature extremes.

Ultra-small wafer chip scale (WCSP) and 2mm x 2mm SON packages make the TPS728xx series ideal for handheld applications.

This family of devices is fully specified over a temperature range of TJ = -40°C to +125°C.

产品特性

Very Low Dropout: 230mV Typical at 200mA
3% Accuracy Over Load/Line/Temperature
Low IQ: 50µA in Active Mode
Available in Fixed-Output Voltages From 0.9V to 3.6V Using Innovative Factory EEPROM Programming
VSET Pin Toggles Output Voltage Between Two Preset Levels
- Preset Output Voltage Levels Can Be EEPROM-Programmed To Any Combination
High PSRR: 65dB at 1kHz
Stable with a 1.0µF Ceramic Capacitor
Thermal Shutdown and Over-Current Protection
Available in Wafer-Level Chip Scale and 2mm x 2mm SON Packages
APPLICATIONS
- Power Rails with Programming Mode
- Dual Voltage Levels for Power-Saving Mode
- Leakage Reduction for 90nm and 65nm Processors
- Wireless Handsets, Smart Phones, PDAs
- MP3 Players and Other Handheld Products

All trademarks are the property of their respective owners.

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