IR3621M International Rectifier, IR3621M Datasheet - Page 23
IR3621M
Manufacturer Part Number
IR3621M
Description
IR PWM DUAL SYNC PREBIAS 32MLPQ
Manufacturer
International Rectifier
Datasheet
1.IR3621MTR.pdf
(29 pages)
Specifications of IR3621M
Pwm Type
Voltage Mode
Number Of Outputs
2
Frequency - Max
345kHz
Duty Cycle
86.5%
Voltage - Supply
5.5 V ~ 14.5 V
Buck
Yes
Boost
No
Flyback
No
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
No
Operating Temperature
-40°C ~ 125°C
Package / Case
32-MLPQ
Frequency-max
345kHz
Package
32-Lead MLPQ
Circuit
Dual Sync PWM Controller or 2Phase Single Output
Vcc (min)
4.7
Vcc (max)
16
Vout (min)
0.8
Vout (max)
Vcc * 0.90
Switch Freq (khz)
programmable to 500kHz
Pbf
PbF Option Available
For Use With
IRDC3621 - BOARD EVAL DUAL SYNC BUCK CTRLR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
IR3621M
Manufacturer:
IR
Quantity:
20 000
Company:
Part Number:
IR3621MTR
Manufacturer:
TI
Quantity:
2 666
Part Number:
IR3621MTR
Manufacturer:
IR
Quantity:
20 000
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 26 - 1.8V output
Figure 25 - 2.5V output
Ch1: Vin, Ch2: SS2, Ch3: Vo2, Ch4: PGood
Ch1: Vin, Ch2: SS1, Ch3: Vo1, Ch4: PGood
Figure 27 - Gate waveforms with 180
o
Figure 28 - 2.5V Waveforms
out of phase
Ch1: Hdrv1, Ch2: Ldrv1, Ch3: Lx1, Ch4: Inductor Current
Ch1: Hdrv1, Ch2: Hdrv2
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