LP2954A - 5V 微功耗低压降稳压器

LP2954A是TI德州仪器公司的一款单通道LDO产品，LP2954A是5V 微功耗低压降稳压器，本站介绍了LP2954A的封装应用图解、特点和优点、功能等，并给出了与LP2954A相关的TI元器件型号供参考。

LP2954A - 5V 微功耗低压降稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LP2954 is a 5V micropower voltage regulator with very low quiescent current (90 μA typical at 1 mA load) and very low dropout voltage (typically 60 mV at light loads and 470 mV at 250 mA load current).

The quiescent current increases only slightly at dropout (120 μA typical), which prolongs battery life.

The LP2954 with a fixed 5V output is available in the three-lead TO-220 and DDPAK/TO-263 packages. The adjustable LP2954 is provided in an 8-lead surface mount, small outline package. The adjustable version also provides a resistor network which can be pin strapped to set the output to 5V.

Reverse battery protection is provided.

The tight line and load regulation (0.04% typical), as well as very low output temperature coefficient make the LP2954 well suited for use as a low-power voltage reference.

Output accuracy is ensured at both room temperature and over the entire operating temperature range.

产品特性

5V Output within 1.2% Over Temperature (A Grade)
Adjustable 1.23 to 29V Output Voltage Available (LP2954IM and LP2954AIM)
Ensured 250 mA Output Current
Extremely Low Quiescent Current
Low Dropout Voltage
Reverse Battery Protection
Extremely Tight Line and Load Regulation
Very Low Temperature Coefficient
Current and Thermal Limiting
Pin Compatible with LM2940 and LM340 (5V Version Only)
Adjustable Version Adds Error Flag to Warn of Output Drop and a Logic-Controlled Shutdown

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