IR3621F International Rectifier, IR3621F Datasheet - Page 21

• Manufacturer Part Number: IR3621F
• Description: IC PWM DUAL SYNC PREBIAS 28TSSOP
• Manufacturer: International Rectifier

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

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
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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