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MIC3839BMM Datasheet(PDF) 6 Page - MIC GROUP RECTIFIERS

Part # MIC3839BMM
Description  Flexible 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

MIC3839BMM Datasheet(HTML) 6 Page - MIC GROUP RECTIFIERS

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MIC3838/3839
Micrel
MIC3838/3839
6
April 2005
Typical Characteristics
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
02468
10 12 14
V
DD (V)
MIC3838
I
DD Current
0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
02468
10 12 14
V
DD (V)
MIC3839
I
DD Current
1.220
1.230
1.240
1.250
1.260
TEMPERATURE (°C)
MIC3838 I
DD Current
vs. Temperature
V
IN = 10V
1.000
1.100
1.200
1.300
1.400
TEMPERATURE (°C)
MIC3839 I
DD Current
vs. Temperature
V
IN
= 10V
V
IN
= 5V
RESISTANCE (kΩ)
Oscillator 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
-1.00
-0.50
0.00
0.50
1.00
1.50
TEMPERATURE (°C)
MIC3838 Oscillator Variation
vs. Temperature
V
IN
= 10V
-1.500
-1.000
-0.500
0.000
0.500
1.000
1.500
2.000
TEMPERATURE (°C)
MIC3839 % Oscillator
Variation vs. Temperature
V
IN = 10V
V
IN = 5V
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
02468
10
12
14
V
DD (V)
MIC3839 Oscillator Variation
vs. V
DD
OPERATING
1.92
1.94
1.96
1.98
2.00
2.02
2.04
4
6
8
1012141618
V
DD (V)
MIC3839 Error Amplifier
Reference vs. V
DD
1.990
2.000
2.010
2.020
2.030
2.040
TEMPERATURE (°C)
MIC3838 Error Amplifier
Reference vs. Temperature
V
IN
= 10V



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