IRDC3821A International Rectifier, IRDC3821A Datasheet - Page 6

• Manufacturer Part Number: IRDC3821A
• Description: BOARD EVAL SYNC BUCK CONVERTER
• Manufacturer: International Rectifier

11/04/08
Note1: Continuous output current determined by input and output voltage setting and thermal environment.
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.
Parameter
Oscillator
Error Amplifier
Source/Sink Current
Power Good
Vsns Low Trip Point
Hysteresis
PGood Output Low
Voltage
Input Bias Current
Over Current Protection
OCSET Current
Hiccup Current
Hiccup Duty Cycle
Thermal Shutdown
Thermal Shutdown
Threshold
Thermal Shutdown
Hysteresis
Frequency
Ramp Amplitude
Min Pulse Width
Max Duty Cycle
Input Bias Current
Input Bias Current
Transconductance
Soft Start/SD
Soft Start Current
Shutdown Output
Threshold
I(source/Sink)
PGood(Hys)
Hiccup(duty)
PG(voltage)
Vsns(trip)
D
SYM
I
I
V
D
OCSET
Isns
min(ctrl)
Hiccup
I
I
SD
I
F
FB1
FB2
gm
ramp
SS
max
S
Note3
Note3
SS=3V
SS=0V
SS=0V
Vsns Ramping Down
I
Note3
I
Note3
Note3
Fb=0V
PGood
Hiccup
=4mA
/ I
Test Condition
SS
,
Note3
Min
0.35
270
1000
80
50
15
15
20
15
0
TYP
IR3821AMPbF
1.25
0.38
27.5
0.25
300
-0.1
1300
140
0.3
80
35
70
20
20
20
15
3
MAX
0.25
0.41
330
-0.5
1600
0.5
50
90
28
40
26
1
PD-60332
Units
μmho
kHz
mV
μA
μA
μA
μA
ns
o
%
%
V
V
V
V
C
6