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OZ960 Datasheet(PDF) 6 Page - O2Micro International Limited.

Part # OZ960
Description  Intelligent CCFL Inverter Controller
PDF  12 Pages
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Manufacturer  O2MICRO [O2Micro International Limited.]
Direct Link  http://www.o2micro.com/
Logo O2MICRO - O2Micro International Limited.

OZ960 Datasheet(HTML) 6 Page - O2Micro International Limited.

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OZ960
OZ960-DS-1.6
Page 6
Parameter
Symbol
Test Conditions
Limits
Unit
Max. / Min. Overlap
VDDA = 5V; Tamb = 25
oC
Min
Typ
Max
Min. Overlap between
diagonal switches
HF = 60kHz
Ca=Cb=Cc=Cd=2nF
(3)
3.0
4.5
5.5
%
Max. Overlap between
diagonal switches
HF = 60kHz
Ca=Cb=Cc=Cd=2nF
(3)
78
81
84
%
Brake before Make
PDR_A / NDR_B
See Table 1, below
PDR_C / NDR_D
See Table 1, below
OZ960
OZ960
I
Parameter
Symbol
Test Conditions
Limits
Unit
Limits
Unit
Min
Typ
Max
Min
Typ
Max
Low Frequency Oscillator
Initial accuracy
fosc
LCT = 6.8nF, LPWM = 50k
(2)
160
220
250
Hz
150
220
340
Hz
Supply
SST current
ISST
4.9
7.5
10
µA
4.9
6.0
12
µA
CTIMR current
ICTIMR
2.2
3.3
4.5
µA
2.0
3.0
5.2
µA
Brake before Make
PDR_A / NDR_B
HF = 60kHz
250
380
530
ns
250
380
565
ns
PDR_C / NDR_D
HF = 60kHz
250
380
520
ns
250
380
545
ns
Threshold
Enable
1.35
1.50
1.65
V
1.25
1.50
1.65
V
Note
(1)
CT: capacitor from CT (Pin 18) to ground
RT: resistor from RT (Pin 17) to ground
Note
(2)
LCT: capacitor from LCT (Pin 15) to ground
LPWM: resistor from LPWM (Pin 13) to ground
Note
(3)
Ca: capacitor from PDR_A (Pin 19) to VDDA
Cb: capacitor from NDR_B (Pin 20) to ground
Cc: capacitor from PDR_C (Pin 12) to VDDA
Cd: capacitor from NDR_D (Pin 11) to ground
Table 1. Low Frequency Oscillator, Supply and Brake
before Make Specifications for OZ960 and OZ960
I



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