TPS76628 - 超低静态电流 250mA LDO 线性稳压器

TPS76628是TI德州仪器公司的一款单通道LDO产品，TPS76628是超低静态电流 250mA LDO 线性稳压器，本站介绍了TPS76628的封装应用图解、特点和优点、功能等，并给出了与TPS76628相关的TI元器件型号供参考。

TPS76628 - 超低静态电流 250mA LDO 线性稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

产品特性

250-mA Low Dropout Voltage Regulator
Available in 1.5 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V, 3.0 V, 3.3 V, 5.0 V Fixed Output and Adjustable Versions
Dropout Voltage to 140 mV (Typ) at 250 mA (TPS76650)
Ultralow 35-µA Typical Quiescent Current
3% Tolerance Over Specified Conditions for Fixed Output Versions
Open-Drain Power Good
8-Pin SOIC Package
Thermal Shutdown Protection

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DESCRIPTION

This device is designed to have an ultralow quiescent current and be stable with a 4.7-µF capacitor. This combination provides high performance at a reasonable cost.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 250 mA for the TPS76650) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 35 µA over the full range of output current, 0 mA to 250 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA (typ).

Power good (PG) is an active high output that can be used to implement a power-on reset or a low-battery indicator.

The TPS766xx is offered in 1.5 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V, 3.0 V, 3.3 V and 5.0 V fixed voltage versions and in an adjustable version (programmable over the range of 1.25 V to 5.5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS766xx family is available in an 8-pin SOIC package.

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