LP2987 - 具有可编程上电复位延迟的微功耗，200 mA 超低压降电压稳压器

LP2987是TI德州仪器公司的一款单通道LDO产品，LP2987是具有可编程上电复位延迟的微功耗，200 mA 超低压降电压稳压器，本站介绍了LP2987的封装应用图解、特点和优点、功能等，并给出了与LP2987相关的TI元器件型号供参考。

LP2987 - 具有可编程上电复位延迟的微功耗，200 mA 超低压降电压稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LP2987/8 are fixed-output 200 mA precision LDO voltage regulators with power-ON reset delay which can be implemented using a single external capacitor.

The LP2988 is specifically designed for noise-critical applications. A single external capacitor connected to the Bypass pin reduces regulator output noise.

Using an optimized VIP (Vertically Integrated PNP) process, these regulators deliver superior performance:

Dropout Voltage: 180 mV @ 200 mA load, and 1 mV @ 1 mA load (typical).

Ground Pin Current: 1 mA @ 200 mA load, and 200 μA @ 10 mA load (typical).

Sleep Mode: The LP2987/8 draws less than 2 μA quiescent current when shutdown pin is held low.

Error Flag/Reset: The error flag goes low when the output drops approximately 5% below nominal. This pin also provides a power-ON reset signal if a capacitor is connected to the DELAY pin.

Precision Output: Standard product versions of the LP2987 and LP2988 are available with output voltages of 5.0V, 3.8V, 3.3V, 3.2V, 3.0V, or 2.8V, with specified accuracy of 0.5% (“A” grade) and 1% (standard grade) at room temperature.

产品特性

Ultra Low Dropout Voltage
Power-ON Reset Delay Requires Only One Component
Bypass Pin for Reduced Output Noise (LP2988)
Specified Continuous Output Current 200 mA
Specified Peak Output Current > 250 mA
SOIC-8 and VSSOP-8 Surface Mount Packages
<2 μA Quiescent Current when Shutdown
Low Ground Pin Current at All Loads
0.5% Output Voltage Accuracy (“A” Grade)
Wide Supply Voltage Range (16V Max)
Overtemperature/overcurrent Protection
−40°C to +125°C Junction Temperature Range

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