LP2981-28 - 具有关断状态的 100mA 超低压降稳压器，1.25% 容差

LP2981-28是TI德州仪器公司的一款单通道LDO产品，LP2981-28是具有关断状态的 100mA 超低压降稳压器，1.25% 容差，本站介绍了LP2981-28的封装应用图解、特点和优点、功能等，并给出了与LP2981-28相关的TI元器件型号供参考。

LP2981-28 - 具有关断状态的 100mA 超低压降稳压器，1.25% 容差 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

产品特性

Output Tolerance of
- 0.75% (A Grade)
- 1.25% (Standard Grade)
Ultra-Low Dropout, Typically
- 200 mV at Full Load of 100 mA
- 7 mV at 1 mA
Wide VIN Range . . . 16 V Max
Low IQ . . . 600 µA Typ at Full Load of 100 mA
Shutdown Current . . . 0.01 µA Typ
Fast Transient Response to Line and Load
Overcurrent and Thermal Protection
High Peak Current Capability
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
Portable Applications
- Mobile Phones
- Laptops
- Personal Digital Assistants (PDAs)
- Digital Cameras and Camcorders
- CD and MP3 Players

DESCRIPTION/ORDERING INFORMATION

The LP2981 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for both portable and nonportable applications. Available in fixed voltages of 2.8 V, 3 V, 3.3 V, and 5 V, the family has an output tolerance of 0.75% for the A-grade devices (1.25% for the standard grade) and is capable of delivering 100-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are included.

The LP2981 has features that make the regulator an ideal candidate for a variety of portable applications:

Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-mA load current and 7 mV at 1-mA load.
Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are considerably lower than those associated with traditional lateral PNP regulators.
Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01 µA when the ON/OFF pin is pulled low.
Small packaging: For the most space-constrained needs, the regulator is available in the SOT-23 package.

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