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IR3621FTRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P29
IR3621 & (PbF)
25
www.irf.com
Figure 33 - SS1 pin shorted to Gnd
Ch1: SS1, Ch2: Hdrv1, Ch3: Ldrv1, Ch4:Vo2
Figure 34 - SS2 pin shorted to Gnd
Ch1: SS2, Ch2: Hdrv2, Ch3: Ldrv2, Ch4:Vo1
Figure 35 - External Synchronization
Ch1: External Clock, Ch2: Hdrv1, Ch3: Hdrv2
TYPICAL OPERATING WAVEFORMS
Test Conditions:
VIN=12V, VOUT1=2.5V, IOUT1=0-10A, VOUT2=1.8V, IOUT2=0-10A, Fs=400kHz, Ta=Room Temp, No Air Flow
Unless otherwise specified.
26
IR3621 & (PbF)
www.irf.com
TYPICAL OPERATING WAVEFORMS
Test Conditions:
VIN=12V, VOUT1=2.5V, IOUT1=0-10A, VOUT2=1.8V, IOUT2=0-10A, Fs=400kHz, Ta=Room Temp, No Air Flow
Unless otherwise specified.
Figure 36 - Load Transient Respons for Vo1
(Io=0 to 10A)
Ch1: Vo1, Ch4:Io1
Figure 37 - Load Transient Respons for Vo1
(Io=10 to 0A)
Ch1: Vo1, Ch4: Io1
Figure 39 - Load Transient Respons for Vo2
(Io=10 to 0A)
Ch1: Vo2, Ch4: Io2
Figure 38 - Load Transient Respons for Vo2
(Io=0 to 10A)
Ch1: Vo2, Ch4: Io2
IR3621 & (PbF)
27
www.irf.com
TYPICAL PERFORMANCE CURVES
Test Conditions:
VIN=12V, VOUT1=2.5V, IOUT1=0-10A, VOUT2=1.8V, IOUT2=0-10A, Fs=400kHz, Ta=Room Temp, No Air Flow
Unless otherwise specified.
12V to 2.5V and 1.8V
45
50
55
60
65
70
75
80
85
90
0 2 4 6 8 10 12 14 16
Io(A)
Efficiency (%)
2.5V
1.8V
Figure 40 - Efficiency for 2.5V and 1.8V outputs at room temperature and no air flow.
Efficiency was measured when the other output was operating at no load.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P29

IR3621FTRPBF

Mfr. #:
Buy IR3621FTRPBF
Manufacturer:
Infineon / IR
Description:
Switching Controllers
Lifecycle:
New from this manufacturer.
Delivery:
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