UC385-3 - 快速瞬态响应 5A 低压降 (LDO) 稳压器

UC385-3是TI德州仪器公司的一款单通道LDO产品，UC385-3是快速瞬态响应 5A 低压降 (LDO) 稳压器，本站介绍了UC385-3的封装应用图解、特点和优点、功能等，并给出了与UC385-3相关的TI元器件型号供参考。

UC385-3 - 快速瞬态响应 5A 低压降 (LDO) 稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The UC385 is a low dropout linear regulator providing a quick response to fast load changes. Combined with its precision onboard reference, the UC385 excels at driving GTL and BTL buses. Due to its fast response to load transients, the total capacitance required to decouple the regulator’s output can be significantly decreased when compared to standard LDO linear regulators.

Dropout voltage (VIN to VOUT) is only 490 mV maximum and 350 mV typical at 5-A load (0°C to 100°C).

The onboard bandgap reference is stable with temperature and scaled for a 1.2 V input to the internal power amplifier. The UC385 is available in fixed output voltages of 1.5 V, 2.1 V, or 2.5 V. The output voltage of the adjustable version can be set with two external resistors. If the external resistors are omitted, the output voltage defaults to 1.2 V.

产品特性

Fast Transient Response
10-mA to 5-A Load Current
Short Circuit Protection
Maximum Dropout of 500-mV at 5-A Load Current
Separate Bias (VB) and VIN Pins
Available in Adjustable or Fixed Output Voltages
5-Pin Package Allows Kelvin Sensing of Load Voltage
Reverse Current Protection

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