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The Future of Analog IC Technology
MP8802
Low Dropout
250mA Linear Regulator
MP8802 Rev. 1.3
3/6/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
DESCRIPTION
The MP8802 is a low-noise, low-dropout linear
regulator. It operates from 2.7V to 6.5V input
voltage, and regulates the output voltage with
2% accuracy at 2.5V, 2.85V, 3.3V, or from
1.25V to 5V.
The MP8802 can supply up to 250mA of load
current. The MP8802 features thermal overload
protection. It is available in a 5-pin TSOT23-5
package.
FIXED VOLTAGE PART NUMBERS
Part Number
MP8802DJ
–
2.5
MP8802DJ
–
2.85
MP8802DJ
–
3.3
Output Voltage
2.5V
2.85V
3.3V
EVALUATION BOARD REFERENCE
Board Number
EV8802DJ-00A
*
Default output voltage adjustable from 1.25V to 5.0V using an
external resistor divider.
Output*
2.85V
Dimensions
2.0”X x 2.0”Y x 0.4”Z
FEATURES
Low 250mV Dropout at 250mA Output
2% Accurate Output Voltage
Fixed Output Voltage Options of 2.5V,
2.85V or 3.3V
Adjustable Output Voltage Option 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 Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
MP8802_TAC_S01
MP8802DJ-X.X
FB
OUT
4
5
GND
2
EN
IN
3
1
OUTPUT
1.25V to 5V
V
IN
2.7V to 6.5V
V
IN
EN (Pin3)
may be connected
to IN (Pin 1) directly
The sum of
R1 and R2
should not
exceed 100k
R1
R2
300
250
200
150
100
50
0
V
D
0
50
100
150
200
250
300
I
LOAD
(mA)
MP8802_EC01
V
DROPOUT
vs I
LOAD
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