IR3621F International Rectifier, IR3621F Datasheet - Page 29

• 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

E
NOTE: ALL MEASUREMENTS ARE IN MILLIMETERS.
F
SYMBOL
DESIG
R1
B
C
D
E
G
H
K
M
N
O
P
Q
R
A
F
L
J
1.0 DIA
PIN NUMBER 1
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: [phone]
4.30
0.19
9.60
0.85
0.05
0.50
0.09
0.09
MIN
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0
0.65 BSC
6.40 BSC
1.00 REF
12 REF
12 REF
28-PIN
NOM
4.40
9.70
0.90
0.60
G
1.00
1.00
0.20
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A
This product has been designed and qualified for the Industrial market.
(IR3621F) TSSOP Package
MAX
4.50
0.30
9.80
1.10
0.95
0.15
0.75
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8
Data and specifications subject to change without notice. 11/29/2007
www.irf.com
28-Pin
K
D
B
TAPE & REEL ORIENTATION
J
C
Visit us at www.irf.com for sales contact information
1
H
Figure A : Feed Direction
1
M
IR3621 & (PbF)
DETAIL A
L
TAC Fax: [phone]
O
Q
P
1
R1
R
DETAIL A
N
29