EV8802DJ-00A Просмотр технического описания (PDF) - Monolithic Power Systems
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EV8802DJ-00A Datasheet PDF : 7 Pages
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MP8802 – LOW DROPOUT, 250mA 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
180
170
160
ILOAD = 250mA
150
140
130
ILOAD = 1mA
120
110
100
2
3
4
5
6
7
VIN (V)
MP8802-TPC01
IGND vs ILOAD
200
VOUT vs. VIN
2.87
180
2.865
160
VIN = 6.5V
2.86
2.855
ILOAD = 1mA
140
VIN = 5.0V
2.85
120
ILOAD = 250mA
2.845
100
0
50 100 150 200 250
ILOAD (mA)
MP8802-TPC02
2.84
3
4
5
6
7
VIN (V)
MP8802-TPC03
PSRR vs Frequency
80
70
60
50
40
30
20
10
0.01
0.1 1 10 100 1000
FREQUENCY (KHz)
MP8802-TPC04
Output Noise
Spectral Density
Output Noise
Spectral Density
x: 1.024kHz
y: 240.013n IOUT = 250mA
128
FREQUENCY (Hz)
102.4K
MP8802-TPC05
x: 1.024kHz
y: 287.004n
IOUT = 1mA
128
FREQUENCY (Hz)
102.4K
MP8802-TPC06
VDROPOUT vs ILOAD
300
Load-Transient Response
(Circuit in Figure 4)
250
ILOAD
200
(50mA/div.)
150
VOUT
100
(20mV/div.)
50
0
0 50 100 150 200 250 300
ILOAD (mA)
MP8802_TPC07
MP8802-TPC08
Line-Transient Response
(Circuit in Figure 4)
4V
VIN
3V
(1V/div.)
2.85V
VOUT
(10mV/div.)
MP8802-TPC09
MP8802 Rev. 1.3
www.MonolithicPower.com
3
3/6/2006
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