IR3621F International Rectifier, IR3621F Datasheet - Page 21
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IR3621F
Manufacturer Part Number
IR3621F
Description
IC PWM DUAL SYNC PREBIAS 28TSSOP
Manufacturer
International Rectifier
Datasheet
1.IR3621MTR.pdf
(29 pages)
Specifications of IR3621F
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
28-TSSOP
Frequency-max
345kHz
Package
28-Pin TSSOP
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:
IR3621F
Manufacturer:
IR
Quantity:
20 000
TYPICAL OPERATING CHARACTERISTICS
30
25
20
15
10
35
30
25
20
15
10
25
24
23
22
21
20
19
18
17
16
15
5
0
5
-50
-50
-50
HI Drive Rise/Fall Time vs. Temperature
-25
-25
Static Supply Current vs. Temperature
-25
IOCSet vs. Temperature
0
0
0
ICC
Temperature (C)
Temperature (C)
Temperature (C)
HI Dr1 Rise
HI Dr1 Fall
25
25
25
ICH1+ICH2
50
50
50
75
75
HI Dr2 Rise
HI Dr2 Fall
75
IOCSet1
IOCSet2
100
100
100
ICL
125
125
125
www.irf.com
35
30
25
20
15
10
30
25
20
15
10
5
100
5
0
-50
90
80
70
60
50
40
30
20
10
-50
0
-50
LO Drive Rise/Fall Time vs. Temperature
Dynamic Supply Current vs. Temperature
-25
-25
-25
Deadband Time vs. Temperature
ICC
0
0
(300kHz, 1500pF)
0
LO Dr1 Rise
LO Dr1 Fall
Temperature (C)
Temperature (C)
Temperature (C)
ICH1+ICH2
25
25
H_to_L_1
L_to_H_1
25
IR3621 & (PbF)
50
50
50
LO Dr2 Rise
LO Dr2 Fall
75
75
75
H_to_L_2
L_to_H_2
ICL
100
100
100
125
125
21
125