IRDC3621 International Rectifier, IRDC3621 Datasheet - Page 24
![BOARD EVAL DUAL SYNC BUCK CTRLR](/photos/9/13/91355/irdc3621_board_back__sml.jpg)
IRDC3621
Manufacturer Part Number
IRDC3621
Description
BOARD EVAL DUAL SYNC BUCK CTRLR
Manufacturer
International Rectifier
Datasheet
1.IR3621MTR.pdf
(29 pages)
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
-
IR3621 & (PbF)
TYPICAL OPERATING WAVEFORMS
Test Conditions:
V
=12V, V
=2.5V, I
=0-10A, V
=1.8V, I
=0-10A, Fs=400kHz, Ta=Room Temp, No Air Flow
IN
OUT1
OUT1
OUT2
OUT2
Unless otherwise specified.
Figure 30 - 1.8V output shorted
Figure 29 - 2.5V Waveforms
Ch1: Vo1, Ch2: SS2, Ch3: Inductor Current
Ch1: Hdrv2, Ch2: Ldrv2, Ch3: Lx2, Ch4: Inductor Current
Figure 32 - Prebias Start up
Figure 31 - 2.5V output shorted
Ch1: SS1, Ch2: Vo1, Ch3: SS2, Ch4:Vo2
Ch1: Vo2, Ch2: SS1, Ch3: Inductor Current
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