MP8801

Low Dropout

150mA Linear Regulator

MP8801 Rev. 1.7

www.MonolithicPower.com

1

10/3/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The MP8801 is a low-noise, low-dropout linear

regulator. It operates from a 2.7V to 6.5V input

voltage and regulates the output voltage with

2% accuracy at 2.5V, 2.85V or 3.3V. The

internally set output voltage may be overridden

with an external resistor divider from 1.25V to

5V.

The MP8801 can supply up to 150mA of load

current. The MP8801 features thermal overload

protection and is available in a 5-pin TSOT23-5

package.

FIXED VOLTAGE PART NUMBERS

Part Number

Output Voltage

2.5V

2.85V

3.3V

EVALUATION BOARD REFERENCE

Board Number

Output*

Dimensions

EV8801DJ-00A

2.85V

2.0”X x 2.0”Y x 0.4”Z

external resistor divider.

FEATURES

• Low 100mV Dropout at 100mA Output

• 2% Accurate Output Voltage

• Fixed Output Voltage Options of 2.5V,

2.85V or 3.3V

• Adjustable Output Voltage from 1.25V to 5V

using an External Resistor Divider

• Up to 6.5V Input Voltage

• High PSRR

o

70dB at 1KHz

o

30dB at 1MHz

• Better Than 0.001%/mA Load Regulation

• Stable With Low-ESR Output Capacitor

• Low 125µA Ground Current

• Internal Thermal Protection

APPLICATIONS

• 802.11 PC Cards

• Mobile Handset PLL Power

• Audio Codec Power

“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

MP8801DJ-X.X

FB

OUT

4

5

GND

2

EN

IN

3

1

OUTPUT

1.5V to 5V

2.7V to 6.5V

EN (Pin3)

may be connected

to IN (Pin 1) directly

The sum of

R1 and R2

should not

exceed 100k

R1

R2

160

140

120

100

80

60

40

20

0

0

20 40 60 80 100 120 140 160