TPS79733-Q1 - 采用 SC-70 封装的汽车类 10mA、3.3V 微功耗 LDO 稳压器

TPS79733-Q1是TI德州仪器公司的一款单通道LDO产品，TPS79733-Q1是采用 SC-70 封装的汽车类 10mA、3.3V 微功耗 LDO 稳压器，本站介绍了TPS79733-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS79733-Q1相关的TI元器件型号供参考。

TPS79733-Q1 - 采用 SC-70 封装的汽车类 10mA、3.3V 微功耗 LDO 稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The TPS797xx family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage and ultralow-power operation. The device is stable with any capacitor (>0.47 µF). Therefore, implementations of this device require little board space due to the miniaturized packaging and potentially small output capacitor. In addition, the family includes an integrated open drain active-high power good (PG) output. Intended for use in microcontroller based, battery-powered applications, the TPS797xx family’s low dropout and ultralow-powered operation results in a significant increase in system battery operating life. The small packaging minimizes consumption of board space.

The device is enabled when the applied voltage exceeds the minimum input voltage. The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is low, typically 105 mV at 10 mA of load current and is directly proportional to the load current. The quiescent current is ultralow (1.2 µA typically) and is stable over the entire range of output load current (0 mA to 10 mA). When properly configured with a pullup resistor, the PG output can be used to implement a power-on reset or low battery indicator. The TPS797xx is offered in 1.8-V, 3-V, and 3.3-V fixed options.

产品特性

Qualified for Automotive Applications
10-mA Low-Dropout Regulator
Ultralow 1.2-µA Quiescent Current at 10 mA
5-Pin SC70/SOT-323 (DCK) Package
Integrated Power Good Output
Stable With Any Capacitor (>0.47 µF)
Dropout Voltage Typically 105 mV at 10 mA (TPS79733)
Over Current Limitation
–40°C to 125°C Operating Junction Temperature Range
APPLICATIONS
- Battery Powered Microcontrollers and Microprocessors

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