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MIC2182 Scheda tecnica(PDF) 25 Page - Micrel Semiconductor

Il numero della parte MIC2182
Spiegazioni elettronici  High-Efficiency Synchronous Buck Controller Final Information
PDF  28 Pages
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Produttore elettronici  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2182 Scheda tecnica(HTML) 25 Page - Micrel Semiconductor

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June 2000
25
MIC2182
MIC2182
Micrel
-40
-20
0
20
40
60
80
100
0
30
60
90
120
150
180
210
FREQUENCY (Hz)
Bode Plot
(4A Power Supply Configuration)
GAIN
PHASE
Load Transient Response
and Bode Plot
(4A Power Supply Configuration)
V
IN = 12V
V
OUT = 3.3V
L1 = 10
µH
R2 = 20m
Ω
Load Transient Response
and Bode Plot
(10A Power Supply Configuration)
V
IN = 6V
V
OUT = 3.3V
L1 = 3.3
µH
R2 = 7.5m
Ω
-40
-20
0
20
40
60
80
100
0
30
60
90
120
150
180
210
FREQUENCY (Hz)
Bode Plot
(10A Power Supply Configuration)
GAIN
PHASE
0
20
40
60
80
100
0.01
0.1
1
10
OUTPUT CURRENT (A)
Skip
PWM
R2 = 7.5m
Ω
L1 = 3.3
µH
2 high-side MOSFETs: Si4884
2 low-side MOSFETs: Si4884
Efficiency
(10A Power Supply Configuration)
0
20
40
60
80
100
0.01
0.1
1
4
OUTPUT CURRENT (A)
Skip
PWM
V
IN = 5V
R2 = 15m
Ω
L1 = 10
µH
1 high-side MOSFET: Si4800
1 low-side MOSFET: Si4800
5V Efficiency
(4A Power Supply Configuration)
0
20
40
60
80
100
0.01
0.1
1
4
OUTPUT CURRENT (A)
12V Efficiency
(4A Power Supply Configuration)
Skip
PWM
V
IN = 12V
R2 = 15m
Ω
L1 = 10
µH
1 high-side MOSFET: Si4800
1 low-side MOSFET: Si4800
0
20
40
60
80
100
0.01
0.1
1
4
OUTPUT CURRENT (A)
Skip
PWM
V
IN = 24V
R2 = 15m
Ω
L1 = 10
µH
1 high-side MOSFET: Si4800
1 low-side MOSFET: Si4800
24V Efficiency
(4A Power Supply Configuration)



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