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LP2992 - 产品图解:
LP2992-微功耗 250mA 低噪声超低压降稳压器
LP2992-单通道LDO-线性稳压器(LDO)-电源管理
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TI产品 - LP2992介绍

LP2992 - 微功耗 250mA 低噪声超低压降稳压器

LP2992是TI德州仪器公司的一款单通道LDO产品,LP2992是微功耗 250mA 低噪声超低压降稳压器,本站介绍了LP2992的封装应用图解、特点和优点、功能等,并给出了与LP2992相关的TI元器件型号供参考。

LP2992 - 微功耗 250mA 低噪声超低压降稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性
  • Input Voltage Range: 2.2 V to 16 V
  • Output Voltage Range: 1.5 V to 5 V
  • Wide Supply Voltage Range (16-V Maximum)
  • Ultralow-Dropout Voltage
  • Specified 250-mA Output Current
  • Smallest Possible Size (SOT-23, WSON Package)
  • Requires Minimum External Components
  • Stable With Low-ESR Output Capacitor
  • < 1-µA Quiescent Current When Shut Down
  • Low Ground Pin Current at All Loads
  • Output Voltage Accuracy 1% (A Grade)
  • High Peak Current Capability
  • Low ZOUT: 0.3-Ω Typical (10 Hz to 1 MHz)
  • Overtemperature and Overcurrent Protection
  • −40°C to +125°C Junction Temperature Range
  • Custom Voltages Available
产品应用
  • Cellular Phones
  • Palmtop/Laptop Computers
  • Personal Digital Assistants (PDA)
  • Camcorders, Personal Stereos, Cameras
产品说明

The LP2992 is a 250-mA, fixed-output voltage regulator designed to provide ultralow-dropout and low noise in battery-powered applications.

Using an optimized Vertically Integrated PNP (VIP) process, the LP2992 delivers unequaled performance in all specifications critical to battery-powered designs:

  • Dropout voltage: Typically 450 mV at 250-mA load, and 5 mV at 1-mA load.
  • Ground pin current: Typically 1500 µA at 250-mA load, and 75 µA at 1-mA load.
  • Enhanced stability: The LP2992 is stable with output capacitor equivalent series resistance (ESR) as low as 5 mΩ which allows the use of ceramic capacitors on the output.
  • Sleep mode: Less than 1-µA quiescent current when ON/OFF pin is pulled low.
  • Smallest possible size: SOT-23 and WSON packages use absolute minimum board space.
  • Precision output: 1% tolerance output voltages available (A grade).
  • Low noise: By adding a 10-nF bypass capacitor, output noise can be reduced to 30 µV (typical).
  • Multiple voltage options, from 1.5 V to 5 V, are available as standard products. Consult factory for custom voltages.
产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
LP2992WSON (6)3.29 mm × 2.92 mm
SOT-23 (5)2.90 mm × 1.60 mm
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