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MP2101 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP2101
Description  1.6MHz Synchronous Step-Down plus 200mA LDO
PDF  12 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2101 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
MP2101 Rev. 1.0
www.MonolithicPower.com
5
8/18/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
TM
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 3.6V, VOUT1 = 1.8V, VOUT2 = 1.2V, CIN1 = 4.7µF, CIN2 = 1µF, CO1 = 10µF, CO2 = 1µF, L = 2.2µH,
TA = +25°C, unless otherwise noted.
EN
2V/div.
PWROK
2V/div.
VOUT1
1V/div.
VOUT2
1V/div.
EN
5V/div.
PWROK
5V/div.
VOUT1
1V/div.
VOUT2
1V/div.
Enable Turn On
EN = 3.6V, IOUT1 = 0.3A,
IOUT2 = 0.1A Resistive Load
Enable Turn Off
EN = 3.6V, IOUT1 = 0.3A,
IOUT2 = 0.1A Resistive Load
1.206
1.205
1.204
1.203
1.202
0
40
80
120
160
200
LOAD CURRENT (mA)
Output Voltage vs
Load Current
2.53
2.52
2.51
2.50
2.49
0
40
80
120
160
200
LOAD CURRENT (mA)
Output Voltage vs
Load Current
VOUT2 = 2.5V
1.56
1.54
1.52
1.50
1.48
0
40
80
120
160
200
LOAD CURRENT (mA)
Output Voltage vs
Load Current
VOUT2 = 1.5V
LDO
LDO
LDO
VIN=3.3V
VIN=3.3V
VIN=1.8V
FB1
FB2
0.62
0.61
0.60
0.59
0.58
-40
-10 +20 +50 +80
+140
+110
TEMPERATURE (
°C)
Feedback Voltage vs
Temperature
0.5
0.4
0.3
0.2
0.1
0.0
0
50
100
150
200
250
LOAD CURRENT (mA)
LDO Dropout vs
Load Current
1.8
1.7
1.6
1.5
1.4
1.3
4.0
4.4
4.8
5.2
5.6
6.0
INPUT VOLTAGE (V)
Frequency vs
Input Voltage
100
90
80
70
60
50
40
30
20
10
0
10
100
1K
10K 100K
1M
FREQUENCY (Hz)
PSRR vs
Frequency



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