LP5904 - Ultra Low Noise, 200mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor

LP5904是TI德州仪器公司的一款单通道LDO产品，LP5904是Ultra Low Noise, 200mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor，本站介绍了LP5904的封装应用图解、特点和优点、功能等，并给出了与LP5904相关的TI元器件型号供参考。

LP5904 - Ultra Low Noise, 200mA Linear Regulator for RF/Analog Circuits Requires No Bypass Capacitor - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

The LP5904 is a linear regulator capable of supplying 200 mA output current. Designed to meet the requirements of RF/ Analog circuits, the LP5904 device provides low noise, high PSRR, low quiescent current, and low line transient response figures. Using new innovative design techniques the LP5904 offers class-leading device noise performance without a noise bypass capacitor and the ability for remote output capacitor placement. An active pulldown circuit with a 280Ω resistor is wired from the output to ground pins to quickly discharge output when the device is disabled (VEN = low).

The device is designed to work with a 1.0 µF input and a 1.0 µF output ceramic capacitor. (No Bypass Capacitor is required.)

The device is available in a DSBGA package. For other package options contact your local TI sales office.

This device is available between 1.2V and 4.4V in 25 mV steps. Please contact Texas Instruments Sales for specific voltage option needs.

产品特性

Stable with 1.0 µF Ceramic Input and Output Capacitors
No Noise Bypass Capacitor Required
Remote Output Capacitor Placement
Thermal-overload and Short-circuit Protection
–40°C to +125°C Junction Temperature Range for Operation

Key Specifications

Input Voltage Range … 2.2V to 5.5V
Output Voltage Range … 1.2V to 4.4V
Output Current … 200 mA
Low Output Voltage Noise at 200 mA … 6.5µVRMS
PSRR … 78 dB at 1kHz
Output Voltage Tolerance … ± 2%
Virtually Zero IQ (Disabled) … <1 µA
Very Low IQ (Enabled) … 11 µA
Startup Time … 85 µs
Low Dropout … 95 mV typ

Package

4-Bump DSBGA (lead free) 0.815 mm × 0.815 mm × 0.600 mm

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