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IL9921 Datasheet, PDF (3/6 Pages) IK Semicon Co., Ltd – HIGH-VOLTAGE LED DRIVER
IL9921/IL9922/IL9923
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter
Limit
Min
Max
Unit
VIN
Input voltage
-0.3
420
V
VDD
Low-voltage (control) part of IC supply
voltage
-0.3
10
V
* Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
These are stress ratings only and functional operation of the device at these or any other conditions beyond those
indicated under “recommended operating conditions” is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
RECOMMENDED OPERATION RANGE
Symbol
VIN
Parameter
Input voltage
Limit
Min
Max
Unit
20
400
V
ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Test Condition
VDDR
IDD
RON
VUVLO
ISAT
VBR
ITH
TOFF
TON
TBLANK
Regulator output voltage
Low-voltage (control) part
of IC consumption
current
ON-resistance of the
switch (DRAIN pin)
Undervoltage threshold
(Low-voltage part of IC)
MOSFET saturation
current (DRAIN pin)
OFF-state breakdown
voltage of the MOSFET
switch (DRAIN pin)
Threshold current
IL9921
IL9922
IL9923
OFF time
(DRAIN pin)
Minimum ON-time of the
switch (DRAIN pin)
Leading Edge Blanking
Delay
VIN = (20- 400)V
VDD = 9,5 V
VIN = 40 V
VDD = VDDR
IDRAIN = 20 mA
VDD = VUVLO
IDRAIN = 20 mA
VDD= VDDR
VSAT = 50 V
VDD = VDDR
IDRAIN = 1 mA
VDD = VDDR
VIN = 50 V
VDD = VDDR
VIN = 50 V
Limit
Ambient
Min
Max
temperature,
oC
Unit
5.5
9.0
V
-
350
-
210
4.0
VDDR –
0.3
100
-
25  10
uA
Ohm
V
mA
500
-
20.5 25.5
52.0 63.0
30.8 38.2
8.0
13.0
-
650
200
400
25  10
-40
85
25  10
V
mA
us
ns
ns
3
2011, February, Ver. 01