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MIC2168 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC2168
Description  1MHZ PWM SYNCHRONOUS BUCK CONTROL IC
PDF  14 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2168 Datasheet(HTML) 5 Page - Micrel Semiconductor

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November 2003
5
M9999-111803
MIC2168
Micrel
Typical Characteristics
V
IN = 5V
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (
°C)
PWM Mode Supply Current
vs. Temperature
0.5
1.0
1.5
2.0
0
5
10
15
SUPPLY VOLTAGE (V)
PWM Mode Supply Current
vs. Supply Voltage
0.780
0.785
0.790
0.795
0.800
0.805
0.810
0.815
0.820
0
5
10
15
V
IN (V)
V
FB
Line Regulation
0.780
0.785
0.790
0.795
0.800
0.805
0.810
0.815
0.820
-60 -30
0
30
60
90 120 150
TEMPERATURE (
°C)
V
FB
vs. Temperature
0
1
2
3
4
5
6
0
5
10
15
V
IN (V)
V
DD
Line Regulation
4.85
4.87
4.89
4.91
4.93
4.95
4.97
4.99
5.01
0
5
10
15
20
25
30
LOAD CURRENT (mA)
V
DD
Load Regulation
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-60 -30
0
30
60
90 120 150
TEMPERATURE (
°C)
V
DD
Line Regulation
vs. Temperature
800
850
900
950
1000
1050
1100
1150
1200
-60 -30
0
30
60
90 120 150
TEMPERATURE (
°C)
Oscillator Frequency
vs. Temperature
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
0
5
10
15
SUPPLY VOLTAGE (V)
Oscillator Frequency
vs. Supply Voltage
0
1
2
3
4
02468
10
I
LOAD (A)
Current Limit Foldback
R
CS = 1kΩ
Top MOSFET = Si4800
100
120
140
160
180
200
220
240
-60 -30
0
30
60
90 120 150
TEMPERATURE (
°C)
Overcurrent Trip Point
vs. Temperature



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