IR22771S/IR21771S(PbF) 
3
      www.irf.com
 
Static Electrical Characteristics
V
CC
, V
BS
 = 15V unless otherwise specified. Temp=27癈; V
in
=V
in+
 - V
in
.
 
Pin: V
CC
, V
SS
, V
B
, V
S
 
 
Symbol
Definition
Min
Typ
Max
Units
Test
Conditions
I
QBS
 
Quiescent V
BS
 supply current
 
1
2.2
mA
f
sync
 = 10kHz,
20kHz
I
QCC
 
Quiescent V
CC
 supply current
 
 
6
mA
f
sync
 = 10kHz,
20kHz
IR22771
 
 
50
V
B
 = V
S
 =
1200V
I
LK
 
Offset supply leakage
current
IR21771
 
 
50
V
B
 = V
S
 = 600V
 
Pin: V
in+
, V
in-
, Sync, G0, G1, OC
Symbol
Definition
Min
Typ
Max
Units
Test
Conditions
V
inmax
 
Maximum input voltage before saturation
 
250
 
mV
 
V
inmin
 
Minimum input voltage before saturation
 
-250
 
mV
 
V
IH
 
Sync Input High threshold
2.2
 
 
V
See Figure 1
V
IL
 
Sync Input Low threshold
 
 
0.8
V
 
See Figure 1
 
V
hy
 
Sync Input Hysteresis
0.2
 
 
V
See Figure 1
I
vinp
 
V
in+
 input current
-18
 
-6
f
sync
 = 4kHz to
20kHz
I
pu
 
G0, G1 pull-up Current
-20
 
-8
G1, G0 = V
B
-
5V
|V
octh
|
 
Over Current Activation Threshold
300
 
470
mV
 
R
Sync
SYNC to V
SS
 internal pull-down
6
 
12
k&
 
R
onOC
 
Over Current On Resistance
25
 
75
&
@ I = 2mA
See
Figure
 3
 
Figure 1: Sync input thresholds Figure 2: Sync input circuit 
 
V
IL
V
IH
V
hy
SYNC
Schmitt trigger
V
SS
R
sync
 
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