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MP2005 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP2005
Description  800mA High PSRR, ULDO Linear Regulator
PDF  10 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2005 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2005 – 800mA, HIGH PSRR,ULDO LINEAR REGULATOR
MP2005 Rev. 0.92
www.MonolithicPower.com
3
5/5/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 1.5V, VBIAS = 3.6V, VOUT = 1.2V, C2 =4.7µF, C3 = 1µF, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
VIN Operating Voltage
1.0
5.5
V
VBIAS Operating Voltage
2.7
5.5
V
VIN Operating Current
VOUT = 1.2V
4
10
μA
VBIAS Operating Current
IOUT = 10µA, VOUT = 1.2V
100
150
μA
IOUT = 1mA to 800mA
0.490
0.500
0.510
FB Regulation Voltage
–40
°C ≤ TA ≤ +85°C, VOUT = 0.5 V
0.487
0.500
0.512
V
Dropout Voltage
IOUT = 800mA, VBIAS = 3.6V
70
90
mV
VIN Line Regulation
IOUT = 1mA,
VIN = 1.0V to 5.5V
VBIAS = 3.6V VOUT = 0.5V
0.002
%/V
VBIAS Line Regulation
IOUT = 100mA,
VBIAS = 2.7V to 5.5V VOUT = 0.5V
VIN = 1.5V
0.04
%/V
Load Regulation
IOUT = 1mA to 800mA
0.0005
%/mA
PSRR
VIN > VOUT + 0.5V, C2 = 10μF,
VIN(AC) = 100mV, f = 1MHz
48
dB
EN Input High Voltage
1.3
V
EN Input Low Voltage
0.8
V
EN Input Bias Current
VEN = 1.2V
–1
+1
μA
Thermal Protection
155
°C
Thermal Protection Hysteresis
30
°C
GND Current
ILOAD = 500mA
110
150
μA
PIN FUNCTIONS
Pin #
Name
Description
1
IN
Power Source Input. Bypass IN to GND with a 1µF or greater capacitor.
2
BIAS
Bias Voltage. Bypass to GND with a 1μF capacitor (or greater)
3, 6
NC
No Connect.
4
GND
Ground.
5
EN
Enable Input. Drive EN high to turn on the MP2005, drive EN low to turn it off. For
automatic startup, connect EN to Bias.
7
FB
Feedback Input. Connect a resistive voltage divider from OUT to FB to set the output
voltage. OUT feedback threshold is 0.5V.
8
OUT
Regulator Output. OUT is the output of the linear regulator. Bypass OUT to GND with a
1µF or greater capacitor.



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