GND

OUTPUT

0.47 PF

0.47 PF

INPUT

ENABLE

GND

LP5900

LP5900

www.ti.com

SNVS358O – JULY 2005 – REVISED MAY 2013

LP5900 Ultra Low Noise, 150 mA Linear Regulator for RF/Analog Circuits Requires No

Bypass Capacitor

Check for Samples: LP5900

1

FEATURES

PACKAGE

2

•

Stable with 0.47

μF Ceramic Input and Output

•

4-Bump DSBGA (YZR), 1.057 mm x 1.083 mm x

Capacitors

0.600 mm

(lead free)

•

No Noise Bypass Capacitor Required

•

Extreme Thin 4-Bump DSBGA (YPF), 1.067 mm

•

Logic Controlled Enable

x 1.092 mm x 0.250 mm

•

Thermal-Overload and Short-Circuit Protection

(lead free)

•

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

•

6-Pin WSON, 2.2 mm x 2.5 mm x 0.8 mm

for Operation

(SC70 footprint, halogen free)

KEY SPECIFICATIONS

APPLICATIONS

•

Input Voltage Range, 2.5V to 5.5V

•

Cellular Phones

•

Output Voltage Range, 1.5V to 4.5V

•

PDA Handsets

•

Output Current, 150 mA

•

Wireless LAN Devices

•

Low Output Voltage Noise, 6.5

•

PSRR, 75 dB at 1 kHz

DESCRIPTION

•

Output Voltage Tolerance, ± 2%

The LP5900 is a linear regulator capable of supplying

150 mA output current. Designed to meet the

•

requirements of RF/Analog circuits, the LP5900

•

device provides low noise, high PSRR, low quiescent

•

Startup Time, 150

μs

current, and low line transient response figures. Using

new innovative design techniques the LP5900 offers

•

Low Dropout, 80 mV Typ.

class-leading device noise performance without a

noise bypass capacitor.

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.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005–2013, 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.