IRDC3621 International Rectifier, IRDC3621 Datasheet - Page 19

• Manufacturer Part Number: IRDC3621
• Description: BOARD EVAL DUAL SYNC BUCK CTRLR
• Manufacturer: International Rectifier

Specifications of IRDC3621

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 1.8V, 2.5V
• Current - Output: 10A, 10A
• Voltage - Input: 5.5 ~ 14.5V
• Regulator Topology: Buck
• Frequency - Switching: 400kHz
• Board Type: Fully Populated
• Utilized Ic / Part: IR3621
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATION
12V
PGood
Figure 20 - 2-phase operation with inductor current sensing using type 2 compensation.
C10
C3
C8
C9
R2
C5
C4
R3
R4
V
Vcc
Hiccup
Sync
V
Rt
Comp1
Comp2
PGood
SS2 / SD
SS1 / SD
CL
REF
C12
VcH1
IR3621
U1
V
12V to 1.8V @ 30A output
OUT3
OCSet1
OCSet2
PGnd2
PGnd1
HDrv2
HDrv1
LDrv2
LDrv1
V
V
VcH2
Gnd
SEN1
SEN2
Fb1
Fb2
V
www.irf.com
P2
V
SEN1
R6
R1
C13
Q2
Q3
Q4
Q5
C17
C14
D1
C11
R5
R9
L3
L4
IR3621 & (PbF)
C15
C18
R7
R8
R7
R8
C16
1.8V @ 30A
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