TPS769-Q1 - 汽车用低功耗 100mA 低压降线性稳压器

TPS769-Q1是TI德州仪器公司的一款单通道LDO产品，TPS769-Q1是汽车用低功耗 100mA 低压降线性稳压器，本站介绍了TPS769-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS769-Q1相关的TI元器件型号供参考。

TPS769-Q1 - 汽车用低功耗 100mA 低压降线性稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The TPS769xx-Q1 family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage, ultralow-power operation, and miniaturized packaging. These regulators feature low-dropout voltages and ultralow quiescent current compared to conventional LDO regulators. Offered in a 5-pin small outline integrated-circuit SOT-23 package, the TPS769xx-Q1 series devices are ideal for micropower operations and where board space is at a premium.

A combination of new circuit design and process innovation has enabled the usual PNP pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low, typically 71 mV at 100 mA of load current (TPS76950-Q1), and is directly proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current is ultralow (28 µA maximum) and is stable over the entire range of output load current (0 mA to 100 mA). The ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in system battery operating life, making this device suitable for use in automotive applications.

The TPS769xx-Q1 devices also feature a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 µA typical at TJ = 25°C. The TPS769xx-Q1 devices are offered in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3-V, 3.3-V, and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.2 V to 5.5 V).

产品特性

Qualified for Automotive Applications
100-mA Low-Dropout Regulator
Available in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3-V, 3.3-V and 5-V Fixed-Output and Adjustable Versions
Only 17-µA Quiescent Current at 100 mA
1-µA Quiescent Current in Standby Mode
Dropout Voltage Typically 71 mV at 100 mA
Over Current Limitation
−40°C to 125°C Operating Junction Temperature Range
5-Pin SOT-23 (DBV) Package

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