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IR3621 Datasheet(PDF) 18 Page - International Rectifier

Part # IR3621
Description  2-PHASE / DUAL SYNCHRONOUS PWM CONTROLLER WITH OSCILLATOR SYNCHRONIZATION AND PRE-BIAS STARTUP
PDF  29 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3621 Datasheet(HTML) 18 Page - International Rectifier

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IR3621&(PbF)
www.irf.com
Figure 19 - Typical application of IR3621.
12V input and two independent outputs using type 2 compensation.
C10
C1
12V
PGood
Q5
L4
Q4
C5
U1
1.8V @ 10A
C16
L3
R7
R4
C9
R3
C8
C3
C4
C13
C11
PGnd1
VCL
VOUT3
LDrv1
HDrv1
Fb1
VP2
Fb2
LDrv2
HDrv2
VcH2
VcH1
Vcc
Gnd
Comp2
Comp1
SS1 / SD
PGood
VREF
IR3621
Q3
Q2
C14
Sync
Rt
Hiccup
SS2 / SD
PGnd2
OCSet2
OCSet1
VSEN1
R2
R1
R6
D1
C12
C15
2.5V @ 10A
R9
R5
R8
C18
C17
R20
R21
VSEN1
VSEN1
R22
R23
VSEN2
VSEN2 VSEN2
C20
VcH2
VcH2
D2
TYPICAL APPLICATION



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