TPS75633 - 单输出 LDO、5.0A、固定电压 (3.3V)、低静态电流、快速瞬态响应

TPS75633是TI德州仪器公司的一款单通道LDO产品，TPS75633是单输出 LDO、5.0A、固定电压 (3.3V)、低静态电流、快速瞬态响应，本站介绍了TPS75633的封装应用图解、特点和优点、功能等，并给出了与TPS75633相关的TI元器件型号供参考。

TPS75633 - 单输出 LDO、5.0A、固定电压 (3.3V)、低静态电流、快速瞬态响应 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The TPS756xx family of 5-A low dropout (LDO) regulators contains four fixed voltage option regulators and an adjustable voltage option regulator. These devices are capable of supplying 5 A of output current with a dropout of 250 mV (TPS75633). Therefore, the device is capable of performing a 3.3-V to 2.5-V conversion.

Quiescent current is 125 µA at full load and drops down to less than 1 µA when the device is disabled. The TPS756xx is designed to have fast transient response for large load current changes.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV at an output current of 5 A for the TPS75633) 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 125 µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems.

The device is enabled when EN (enable) is connected to a high voltage level (> 2 V). Applying a low voltage level (< 0.7 V) to EN shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

The TPS756xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS756xx family is available in a 5-pin TO–220 (KC) and TO–263 (KTT) packages.

产品特性

5-A Low-Dropout Voltage Regulator
Available in 1.5-V, 1.8-V, 2.5-V, and 3.3-V Fixed-Output and Adjustable Versions
Dropout Voltage Typically 250 mV at 5 A (TPS75633)
Low 125 µA Typical Quiescent Current
Fast Transient Response
3% Tolerance Over Specified Conditions for Fixed-Output Versions
Available in 5-Pin TO–220 and TO–263 Surface-Mount Packages
Thermal Shutdown Protection

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