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Teilenummer | OZ9938GN |
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Beschreibung | LCDM Inverter Controller | |
Hersteller | O2Micro | |
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Gesamt 24 Seiten www.DataSheet4U.com
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ELECTRICAL CHARACTERISTICS
OZ9938
Parameter
Supply Current
Stand By
Operating
Soft Start
Current Source
Symbol
Test Conditions
Limits
VDDA=5V; Ta=25 oC
RCT =39Kohm, CCT=470pF
Min
Typ Max
RLCT =3.3Mohm, CLCT=4.7nF
Idds ENA=0V
2.0 5.0
Idd
Capacitance at DRV1 &
DRV2=2nF
1.5
2.0 2.5
Unit
µA
mA
ISSTCMP
1.83 2.29 2.75
µA
Under Voltage Lockout
Lock out
Resume
Reference Voltage
ISEN reference voltage
UVLO
UVLO
VDDA 5VÆ0V
VDDA 0VÆ5V
4.0
3.2 V
V
ISEN=SSTCMP
Temperature Coefficient
1.12 1.18 1.23
V
360 ppm/ OC
VSEN reference voltage
during striking
Driver Frequency
Striking
Normal operation
Timer and Protection
Striking current Source
Open lamp and over voltage
protection current Source
fstr
Fop
VSEN=SSTCMP
Temperature Coefficient
Temperature Coefficient
Temperature Coefficient
2.78 2.92 3.06
V
310 ppm/ OC
62.6 65.8 69.0
KHZ
290 ppm/ OC
50.0 52.0 54.0
kHz
110 ppm/ OC
ISEN =0V
SSTCMP > 3.3V or
VSEN>OVPT
2.3 2.9 3.5
8.0 10.0 12.0
uA
uA
Protection release threshold
2.60 2.81 3.02
V
Drivers
DRV1/2 source
DRV1/2 sink
Maximum duty cycle
Ron
Ron
12 18
59
45
Ω
Ω
%
CONFIDENTIAL
OZ9938-DS-1.1
Page 3
12 Page | ||
Seiten | Gesamt 24 Seiten | |
PDF Download | [ OZ9938GN Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
OZ9938GN | LCDM Inverter Controller | O2Micro |
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