GND

OUTPUT

1 PF

1.0 PF

INPUT

ENABLE

GND

LP5904

SVA-30110401

LP5904

www.ti.com

SNVS637G – MARCH 2011 – REVISED APRIL 2013

Ultra Low Noise, 200 mA Linear Regulator for RF/Analog

Circuits - Requires No Bypass Capacitor

Check for Samples: LP5904

1

FEATURES

PACKAGE

•

Stable with 1.0 µF Ceramic Input and Output

•

4-Bump DSBGA (lead free)

Capacitors

0.815 mm × 0.815 mm × 0.600 mm

•

No Noise Bypass Capacitor Required

DESCRIPTION

•

Remote Output Capacitor Placement

The LP5904 is a linear regulator capable of supplying

•

Thermal-overload and Short-circuit Protection

200 mA output current. Designed to meet the

•

–40°C to +125°C Junction Temperature Range

requirements of RF/ Analog circuits, the LP5904

for Operation

device provides low noise, high PSRR, low quiescent

current, and low line transient response figures. Using

APPLICATIONS

new innovative design techniques the LP5904 offers

class-leading device noise performance without a

•

Cellular Phones

noise bypass capacitor and the ability for remote

•

PDA Handsets

output capacitor placement. An active pulldown circuit

with a 280

Ω resistor is wired from the output to

•

Wireless LAN Devices

ground pins to quickly discharge output when the

device is disabled (VEN = low).

KEY SPECIFICATIONS

The device is designed to work with a 1.0 µF input

•

Input Voltage Range … 2.2V to 5.5V

and a 1.0 µF output ceramic capacitor. (No Bypass

•

Output Voltage Range … 1.2V to 4.4V

Capacitor is required.)

•

Output Current … 200 mA

The device is available in a DSBGA package. For

•

Low Output Voltage Noise at

other package options contact your local TI sales

200 mA … 6.5µVRMS

office.

•

PSRR … 78 dB at 1kHz

This device is available between 1.2V and 4.4V in

•

Output Voltage Tolerance … ± 2%

25 mV steps. Please contact Texas Instruments

Sales for specific voltage option needs.

•

Virtually Zero IQ (Disabled) … <1 µA

•

Very Low IQ (Enabled) … 11 µA

•

Startup Time … 85 µs

•

Low Dropout … 95 mV typ

TYPICAL APPLICATION CIRCUIT

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2011–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.