MIC9131(2001) 查看數據表（PDF） - Micrel
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MIC9131 Datasheet PDF : 19 Pages
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MIC9131
Typical Characteristics
Oscillator Frequency
0.3
vs. VCC Voltage
0.2
0.1
0.0
-0
-0.2
-0.3
-0.4
-0.5
8
FOSC(NOM)=200kHz
Rt=9.47K
Ct=470pF
9 10 11 12 13 14 15 16 17 18
VCC (V)
Error Amp Reference Voltage
2.510
vs. Temperature
V = 10V
CC
2.505 RBIAS = 560K
2.500
2.495
2.490
2.485
2.480
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Quiescent Current
2.4
vs. VCC Voltage
2.2
R = 560K
BIAS
Rt = 9.47K
2.0 Ct = 470pF
1.8
1.6
1.4
1.2
1.0
8
10 12 14 16 18
VCC (V)
Quiescent Current
3.5
vs. RBIAS
VCC = 10V
3
Rt = 9.53K
2.5
Ct = 470pf
fOSC = 200kHz
2
1.5
1
0.5
0
200 400 600 800 1000 1200
RBIAS (kΩ)
July 2001
Oscillator Frequency
vs. Temperature
2
1.5
VCC = 10V
1
RBIAS = 560K
0.5
Rt = 9.47K
0
Ct = 470pF
-0.5
-1
-1.5
-2
-2.5
-40
0 40 80 120 160
TEMPERATURE (°C)
1.220
Line UVLO Threshold
vs. VCC
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
8 9 10 11 12 13 14 15 16 17 18
VCC (V)
Quiescent Current
vs. Temperature
1.5
1.48
1.46
1.44
1.42
1.4
1.38
VCC = 10V
1.36
RBIAS = 560K
1.34
Rt = 9.47K
1.32
Ct = 470pF
1.3
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
ISNS to Gate Output Delay
90
vs. RBIAS
80
70
60
50
40
30
20
10
00 200 400 600 800 1000 1200
RBIAS(kΩ)
5
Micrel
Error Amp Reference Voltage
2.502
vs. VCC Voltage
RBIAS = 560K
2.501
2.500
2.499
8 9 10 11 12 13 14 15 16 17 18
VCC (V)
Line UVLO Threshold
vs. Temperature
1.24
VCC=10V
1.23 RBIAS=560K
1.22
1.21
1.2
1.19
1.18
-40
0 40 80 120 160
TEMPERATURE (°C)
Quiescent Current
vs. Frequency
10
9
8
7
6
Ct = 470pF
5
4
3
2
Ct = 100pF
1
0
GATE DRIVE FREQUENCY (kHz)
ISNS to Gate Output Delay
vs. Overdrive
200
180
RBIAS=160K
160
140
120
100
RBIAS=560K
80
60
RBIAS=360K
40
20
0
OVERDRIVE (mV)
MIC9131
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