IRDC3629 International Rectifier, IRDC3629 Datasheet - Page 6

• Manufacturer Part Number: IRDC3629
• Description: BOARD EVAL SYNC BUCK CONTROLLER
• Manufacturer: International Rectifier

Note2: Cold temperature performance is guaranteed via correlation using statistical quality control.
Not tested in production.
Note3: Guaranteed by Design but not tested in production.
11/29/2007
Parameter
Error Amplifier
Source/Sink Current
Over Current Protection
OCSET Current
Hiccup Current
Hiccup Duty Cycle
Power Good
Vsns Lower Trip Point
Hysteresis
Pgood
Voltage
Thermal Shutdown
Thermal
Threshold
Thermal
Hysteresis
Output Drivers
LO, Drive Rise Time
HI Drive Rise Time
LO Drive Fall Time
HI Drive Fall Time
Dead Band Time
Input Bias Current
Input Bias Current
Transconductance
Soft Start/SD
Soft Start Current
Shutdown
Threshold
Input Bias Curent
Output
Shutdown
Shutdown
Output
Low
High Side Driver
Low Side Driver
I(source/Sink)
Hiccup(duty)
PGood(Hys)
PG(voltage)
Vsns(trip)
(HDrv)
TD(Hys)
(LDrv)
Fig. 3: Definition of Rise/Fall time and Deadband Time
Tr(Lo)
Tdead
SYM
Tr(Hi)
Tf(Lo)
I
Tf(Hi)
I
OCSET
Hiccup
I
I
SD
TD
I
FB1
FB2
gm
I
SS
Sns
2V
9V
2V
9V
Tr
Deadband
SS=3V
SS=0V
SS=0V
Note3
I
Vsns ramping Down
I
Note3
Note3
CL=1.5nF, See Fig 3
CL=1.5nF, See Fig 3
CL=1.5nF, See Fig 3
CL=1.5nF, See Fig 3
See Fig 3
Hiccup
Pgood
H_to_L
Test Condition
=4mA
/ I
SS
Tf
,
Note3
Tr
Tf
IR3629/IR3629A MPbF
Deadband
L_to_H
Min
0.35
1000
15
10
15
15
20
50
0
TYP
140
-0.1
1300
20
30
30
30
30
50
0.38
27.5
0.25
35
70
20
20
15
3
0.3
MAX
100
1600
-0.5
0.25
60
60
60
60
0.41
50
90
26
28
0.5
40
1
Units
μmho
mV
o
μA
ns
μA
μA
%
μA
V
V
C
V
6