LD2985 データシートの表示（PDF） - Unisonic Technologies
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LD2985
Unisonic Technologies
LD2985 Datasheet PDF : 23 Pages
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LD2985
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS (TJ=25°C, CI=1μF, CO=2.2μF, CBYP=100nF)
Output Voltage vs Temperature
2.60
VIN=3.5V
2.58 IOUT=1mA
2.56
2.54
2.52
2.50
2.48
2.46
2.44
2.42
Quiescent Current vs Load Current
VOUT=2.5V
Cby=10nF
2000
1600
1200
800
400
2.40
-50 -25 0
25 50
Tc (°C)
75 100 125
Dropout Voltage vs Temperature
0.4
VOUT=2.5V
Cby=10nF
IOUT=150mA
0.3
0
0 25 50 75 100 125 150 175
Output Current, IOUT (mA)
Quiescent Current vs Temperature
VOUT=2.5V
Cby=10nF
3.5
IOUT=150mA
3.0
2.5
0.2
2.0
IOUT=50mA
1.5
0.1
0
-50
IOUT=10mA
IOUT=1mA
-25 0
25 50
Tc (°C)
75 100 125
Dropout Voltage vs Output Current
250
200
150
1.0
0.5
0
-50 -25 0
25 50
Tc (°C)
75 100 125
Supply Voltage Rejection vs Temperature
fosc=1KHz
VIN=3.5 ~ 6.5V
90 IOUT=10mA
80
Co=10μF
70
Co=1μF
60
50
100
40
VOUT=2.5V
50
30
0
0 25 50 75 100 125 150 175
Output Current, IOUT (mA)
20
-50 -25 0
25 50
Tc (°C)
75 100 125
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
21 of 23
QW-R102-024.H
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