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MIC2177-5.0BWM Scheda tecnica(PDF) 9 Page - Micrel Semiconductor

Il numero della parte MIC2177-5.0BWM
Spiegazioni elettronici  2.5A Synchronous Buck Regulator
PDF  16 Pages
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Produttore elettronici  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2177-5.0BWM Scheda tecnica(HTML) 9 Page - Micrel Semiconductor

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April 1999
9
MIC2177
MIC2177
Micrel
PWM-Mode Functional Diagram
SW
PGND
ISENSE
Amp.
VREF 1.245V
100m
Ω
N-channel
100m
Ω
P-channel
COMP
VIN
Error
Amp.
R
S
Q
200kHz
Oscillator
PWM
Comp.
VOUT
L1
FB
SGND
C
C
VIN
4.5V to 16.5V
CIN
SYNC
COUT
MIC2177 [Adjustable] PWM-Mode Signal Path
Stop
18
13
2
1
3
8
D
4
5
6
7
R1
R2
12
14
15
16
17
R
C
Corrective
Ramp
Reset
Pulse
IL1
VOUT
1.245
R1
R2
1
9
VSW
IL1
Reset
Pulse
ISENSE
ILOAD
∆I
L1
Error Amp.
Output



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