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MIC3809BMM Datasheet(PDF) 6 Page - MIC GROUP RECTIFIERS

Part # MIC3809BMM
Description  Push-Pull PWM Controller
PDF  11 Pages
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Manufacturer  MIC [MIC GROUP RECTIFIERS]
Direct Link  http://www.cnmic.com
Logo MIC - MIC GROUP RECTIFIERS

MIC3809BMM Datasheet(HTML) 6 Page - MIC GROUP RECTIFIERS

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MIC3808/3809
Micrel
MIC3808/3809
6
April 2005
Typical Characteristics
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
5
10
15
V
DD (V)
MIC3808 V
DD
vs. I
DD
0
1
2
3
4
5
6
7
0
2
4
6
8
10121416
V
DD (V)
MIC3809 V
DD
vs. I
DD
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
02468
10
12
14
V
DD (V)
MIC3809 Oscillator Variation
vs. V
DD
RESISTANCE (kΩ)
Frequency
vs. RC Values
C = 330pF
C = 100pF
C = 220pF
C = 1000pF
C = 680pF
C = 470pF
V
DD = 10V
C = 270pF
10k
100k
1M
50k
100k
150k
200k
0
50
75
100
125
150
175
200
CAPACITANCE (pF)
RC Pin Capacitance
vs. Deadtime
83
84
85
86
87
88
89
RESISTANCE (kΩ)
RC Pin Resistance
vs. Deadtime
1.970
1.975
1.980
1.985
1.990
1.995
2.000
2.005
2.010
2.015
8
9
10 11 12 13 14 15 16
V
DD (V)
MIC3808 V
REFERENCE
vs. V
DD
0.489
0.491
0.493
0.495
0.497
0.499
0.501
8
9
10 11 12 13 14 15 16
V
DD (V)
MIC3808 Current Limit
Threshold vs. V
DD
0.493
0.495
0.497
0.499
0.501
0.503
0.505
4
6
8
10
12
14
16
V
DD (V)
MIC3809 Current Limit
Threshold vs. V
DD
-3
-2
-1
0
1
2
3
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
MIC3809 Oscillator
Frequency Variation
vs. Temperature
V
DD = 5V
V
DD = 10V
1.85
1.87
1.89
1.91
1.93
1.95
1.97
1.99
2.01
2.03
2.05
4
6
8
1012141618
V
DD (V)
MIC3809 V
REFERENCE
vs. V
DD
1.97
1.98
1.98
1.99
1.99
2.00
2.00
2.01
2.01
2.02
2.02
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Error Amplifier Reference
Voltage vs. Temperature



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