MP8801(2006_03) Ver la hoja de datos (PDF) - Monolithic Power Systems
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MP8801 Datasheet PDF : 7 Pages
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MP8801 – LOW DROPOUT, 150mA LINEAR REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 4.5V, VOUT = 2.85V, C1 = 1µF, C2 = 0.1µF, C3 = 2.2µF, TA = +25°C unless otherwise noted.
IGND vs VIN
135
130
ILOAD = 150mA
125
120
ILOAD = 1mA
115
110
105
2
3
4
5
6
7
VIN (V)
MP8801-TPC01
IGND vs ILOAD
135
VIN = 6.5V
130
VIN = 5.0V
125
120
VOUT vs. VIN
2.87
2.865
2.86
2.855
ILOAD = 1mA
115
2.85
ILOAD = 150mA
VIN = 2.7V
110
2.845
105
0
50
100
ILOAD (mA)
150
MP8801-TPC02
2.84
3
4
5
6
7
VIN (V)
MP8801-TPC03
PSRR vs Frequency
80
70
60
50
40
30
20
10
0.01
0.1 1 10 100 1000
FREQUENCY (KHz)
MP8801-TPC04
Output Noise
Spectral Density
Output Noise
Spectral Density
x: 1.024kHz
y: 240.013n IOUT = 150mA
128
FREQUENCY (Hz)
102.4K
MP8801-TPC05
x: 1.024kHz
y: 287.004n
IOUT = 1mA
128
FREQUENCY (Hz)
102.4K
MP8801-TPC06
VDROPOUT vs ILOAD
160
Load-Transient Response
(Circuit in Figure 3)
140
120
ILOAD
100
(50mA/div.)
80
60
VOUT
(20mV/div.)
40
20
0
0 20 40 60 80 100 120 140 160
ILOAD (mA)
MP8801-TPC07
MP8801-TPC08
Line-Transient Response
(Circuit in Figure 3)
4V
VIN
3V
(1V/div.)
2.85V
VOUT
(10mV/div.)
MP8801-TPC09
MP8801 Rev. 1.6
www.MonolithicPower.com
3
3/6/2006
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© 2006 MPS. All Rights Reserved.
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