MIC4685(2002) 查看數據表（PDF） - Micrel
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产品描述 (功能)
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MIC4685 Datasheet PDF : 15 Pages
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MIC4685
1.250
1.245
1.240
1.235
1.230
1.225
1.220
1.215
1.210
1.205
0
Feedback Voltage
vs. Input Voltage
IOUT = 10mA
VOUT = 1.8V
5 10 15 20 25 30
INPUT VOLTAGE (V)
1.258
Feedback Voltage
vs. Temperature
1.248
1.238
1.228
1.218
IOUT = 10mA
1.208
VIN = 12V
VOUT = 1.8V
1.198
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Line Regulation
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
0
IOUT = 0.100A
5 10 15 20 25 30 35
OUTPUT CURRENT (A)
200
180
160
140
120
100
80
60
40
20
0
0
Shutdown Current
vs. Input Voltage
VEN = 0V
5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
Shutdown Hysteresis vs.
Temperature
6
5
4
ON
3
2
1
OFF
0
-1
-50
0 50 100 150 200
TEMPERATURE (°C)
Enable Threshold
vs. Temperature
1.20
1.18
Upper Threshold
1.16
1.14
1.12
Lower Threshold
1.10
1.08
1.06
1.04
1.02
1.00
VIN = 12V
VOUT = 5V
IOUT = 100mA
TEMPERATURE (°C)
Micrel
Saturation Voltage
vs. Input Voltage
605
600
595
590
585
580
575
570
0
IOUT = 1A
VOUT = 5V
5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
Load Regulation
1.809
1.808
1.807
1.806
1.805
1.804
1.803
VOUT = 13V
1.802
0 0.5 1 1.5 2 2.5 3 3.5
OUTPUT CURRENT (A)
MIC4685
6
September 2002
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