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| SPF5047 Datasheet, PDF (14/15 Pages) Sanken electric – Fault Flag Reporting | |||
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SPF5047
Table 11-1. Open Detection Voltage vs. ROPEN Pin
Voltage
Symbol
VOP2
VOP4
VOP8
VOP10
ROPEN
Pin
Voltage
0.5 V
1V
2V
2.5 V
Open Detection Voltage, VOP
Min.
Typ.
Max.
1.84 V 2.00 V 2.16 V
3.68 V 4.00 V 4.32 V
7.36 V 8.00 V 8.64 V
9.2 V 10.0 V 10.8 V
VCC
LED Driver
Power
Supply
Clock
VCC(ON)
VCC(OFF)
VDS VOP
VOCO
VSCO
LED Opened
VFO
VORO
STATEx
Pin Voltage
tOPB
tOP
B
A
Figure 11-5. Waveforms during Open Detection
VDS
VOCO
VSCO
Clock
VFO
VORO
tOPR
3 Cycles of Clock Pulse
Figure 11-6. Waveforms during Open Detection
(Enlarged View of B)
SPF5047-DSE Rev.1.1
SANKEN ELECTRIC CO.,LTD.
14
Sep. 07, 2016
http://www.sanken-ele.co.jp/en
© SANKEN ELECTRIC CO., LTD. 2016
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