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TPS768-Q1-汽车用快速瞬态响应 1A 低压降稳压器
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TI产品 - TPS768-Q1介绍

TPS768-Q1 - 汽车用快速瞬态响应 1A 低压降稳压器

TPS768-Q1是TI德州仪器公司的一款单通道LDO产品，TPS768-Q1是汽车用快速瞬态响应 1A 低压降稳压器，本站介绍了TPS768-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS768-Q1相关的TI元器件型号供参考。

TPS768-Q1 - 汽车用快速瞬态响应 1A 低压降稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

This device is designed to have a fast transient response and be stable with 10-µF low ESR capacitors. This combination provides high performance at a reasonable cost.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at an output current of 1 A for the TPS76850) 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 85 µA over the full range of output current, 0 mA to 1 A). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.

The TPS768xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5.0-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.2 V to 5.5 V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS768xx family is available in a 20-pin PWP package.

产品特性

  • Qualified for Automotive Applications
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • 1-A Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
  • Dropout Voltage Down to 230 mV at 1 A (TPS76850)
  • Ultralow 85-µA Typical Quiescent Current
  • Fast Transient Response
  • 2% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Open-Drain Power Good (See TPS767xx for Power-On Reset With 200-ms Delay Option)
  • 20-Pin TSSOP (PWP) Package
  • Thermal Shutdown Protection

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