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O9938 View Datasheet(PDF) - O2Micro International

Part Name
Description
View to exact match
O9938
O2Micro
O2Micro International O2Micro
O9938 Datasheet PDF : 12 Pages
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OZ9938
ELECTRICAL CHARACTERISTICS
Parameter
Supply Current
Stand By
Operating
Soft Start
Current Source
Under Voltage Lockout
Lock out
Resume
Reference Voltage
ISEN reference voltage
VSEN reference voltage
during striking
Driver Frequency
Striking
Normal operation
Timer and Protection
Striking current Source
Open lamp and over voltage
protection current Source
Protection release threshold
Drivers
DRV1/2 source
DRV1/2 sink
Maximum duty cycle
Symbol
Test Conditions
VDDA=5V; Ta=25 oC
RCT =39Kohm, CCT=470pF
RLCT =3.3Mohm, CLCT=4.7nF
Idds
ENA=0V
Idd
Capacitance at DRV1 &
DRV2=2nF
ISSTCMP
UVLO
UVLO
VDDA 5V 0V
VDDA 0V 5V
ISEN=SSTCMP
Temperature Coefficient
VSEN=SSTCMP
Temperature Coefficient
fstr
Temperature Coefficient
Fop
Temperature Coefficient
ISEN =0V
SSTCMP > 3.3V or
VSEN>OVPT
Ron
Ron
Min
1.5
1.83
4.0
1.12
2.78
62.6
50.0
2.3
8.0
2.60
45
Limits
Typ
2.0
2.0
2.29
1.18
360
2.92
310
65.8
290
52.0
110
2.9
10.0
2.81
12
5
Max
5.0
2.5
2.75
3.2
1.23
3.06
69.0
54.0
3.5
12.0
3.02
18
9
Unit
A
mA
A
V
V
V
ppm/ OC
V
ppm/ OC
KHZ
ppm/ OC
kHz
ppm/ OC
uA
uA
V
CONFIDENTIAL
OZ9938-DS-1.1
Page 3
 

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