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IR3621FTRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P29
22
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 21 - Start up waveforms for 2.5V output
Ch1: Vin, Ch2: Vout3, Ch3: SS1, Ch4:Vo1 (2.5V)
Figure 22 - Start up waveforms for 1.8V output
Ch1: Vin, Ch2: Vout3, Ch3: SS2, Ch4:Vo2 (1.8V)
Figure 23 - Start up waveforms
Ch1: Vin, Ch2: Vout3, Ch3: Vref
Figure 24 - Vo1, Vo2 and PGood
Ch1: Vin, Ch2: Vo1, Ch3: Vo2, Ch4: PGood
IR3621 & (PbF)
23
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 25 - 2.5V output
Ch1: Vin, Ch2: SS1, Ch3: Vo1, Ch4: PGood
Figure 26 - 1.8V output
Ch1: Vin, Ch2: SS2, Ch3: Vo2, Ch4: PGood
Figure 27 - Gate waveforms with 180
o
out of phase
Ch1: Hdrv1, Ch2: Hdrv2
Figure 28 - 2.5V Waveforms
Ch1: Hdrv1, Ch2: Ldrv1, Ch3: Lx1, Ch4: Inductor Current
24
IR3621 & (PbF)
www.irf.com
Figure 29 - 2.5V Waveforms
Ch1: Hdrv2, Ch2: Ldrv2, Ch3: Lx2, Ch4: Inductor Current
Figure 30 - 1.8V output shorted
Ch1: Vo1, Ch2: SS2, Ch3: Inductor Current
Figure 31 - 2.5V output shorted
Ch1: Vo2, Ch2: SS1, Ch3: Inductor Current
Figure 32 - Prebias Start up
Ch1: SS1, Ch2: Vo1, Ch3: SS2, Ch4:Vo2
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.
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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