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IR3651SPBF Datasheet(PDF) 6 Page - International Rectifier

Part No. IR3651SPBF
Description  HIGH VOLTAGE SYNCHRONOUS PWM BUCK CONTROLLER
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
Logo IRF - International Rectifier

IR3651SPBF Datasheet(HTML) 6 Page - International Rectifier

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IR3651SPbF
10/11/2006
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Error Amplifier
Input Bias Current
IFB
SS=3V, Fb=1V
-0.1
-0.4
µA
Source/Sink Current
I(source/Sink)
50
85
120
µA
Transconductance
gm
1500
2400
3000
µmho
Soft Start/SD
Soft Start Current
ISS
SS=0V
15
20
25
µA
Shutdown
Output
Threshold
SD
0.25
V
Over Current Protection
OCSET Current
IOCSET
7.5
10
12.5
µA
Hiccup Current
IHiccup
Note2
3
µA
Hiccup Duty Cycle
Hiccup(duty)
IHiccup / ISS , Note2
5
%
Output Drivers
LO, Drive Rise Time
Tr(Lo)
CL=1.5nF
See Fig 2, Note2
10
20
ns
HI Drive Rise Time
Tr(Hi)
CL=1.5nF,
See Fig 2, Note2
10
20
ns
LO Drive Fall Time
Tf(Lo)
CL=1.5nF
See Fig 2,Note2
10
20
ns
HI Drive Fall Time
Tf(Hi)
CL=1.5nF,
See Fig 2,Note2
10
20
ns
Dead Band Time
Tdead
See Fig 2
30
45
100
ns
Upper Driver Source
Current
Iupper(source)
HDrv short circuit pulsed
current. PW<10us
1.0
A
Upper Driver Sink
Curret
Iupper(sink)
HDrv short circuit pulsed
current. PW<10us
1.0
A
Lower Driver Source
Current
Ilower(source)
LDrv short circuit pulsed
current. PW<10us
1.0
A
Lower Driver Sink
Current
Ilower(sink)
LDrv short circuit pulsed
current. PW<10us
1.0
A
9V
2V
9V
2V
High Side Driver
(HDrv)
Low Side Driver
(LDrv)
Tr
Tf
Deadband
H_to_L
Deadband
L_to_H
Tr
Tf
Fig. 2: Definition of Rise/Fall time and Deadband Time
6
Note1: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
Note2: Guaranteed by Design but not tested in production.


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