MP2101 データシートの表示（PDF） - Monolithic Power Systems
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MP2101 Datasheet PDF : 12 Pages
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TM
MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
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.
Output Voltage vs
Load Current
VOUT2 = 1.5V
1.56
Output Voltage vs
Load Current
VOUT2 = 2.5V
2.53
Output Voltage vs
Load Current
1.206
1.54
2.52
1.205
1.52
1.50
1.48
0
VIN=3.3V
LDO
40 80 120 160 200
LOAD CURRENT (mA)
2.51
2.50
2.49
0
VIN=3.3V
1.204
LDO
1.203
40 80 120 160 200
LOAD CURRENT (mA)
1.202
0
VIN=1.8V
LDO
40 80 120 160 200
LOAD CURRENT (mA)
PSRR vs
Frequency
100
90
80
70
60
50
40
30
20
10
0
10 100 1K 10K 100K 1M
FREQUENCY (Hz)
Frequency vs
Input Voltage
1.8
Feedback Voltage vs
Temperature
0.62
1.7
0.61
1.6
0.60
FB2
1.5
0.59
FB1
1.4
1.3
4.0 4.4 4.8 5.2 5.6 6.0
INPUT VOLTAGE (V)
0.58
-40 -10 +20 +50 +80 +110 +140
TEMPERATURE (°C)
LDO Dropout vs
Load Current
0.5
0.4
0.3
Enable Turn On
EN = 3.6V, IOUT1 = 0.3A,
IOUT2 = 0.1A Resistive Load
EN
2V/div.
PWROK
2V/div.
0.2
0.1
0.0
0
VOUT1
1V/div.
VOUT2
1V/div.
50 100 150 200 250
LOAD CURRENT (mA)
Enable Turn Off
EN = 3.6V, IOUT1 = 0.3A,
IOUT2 = 0.1A Resistive Load
EN
5V/div.
PWROK
5V/div.
VOUT1
1V/div.
VOUT2
1V/div.
MP2101 Rev. 1.0
www.MonolithicPower.com
5
8/18/2006
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© 2006 MPS. All Rights Reserved.
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