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| TCA62746AFG Datasheet, PDF (11/25 Pages) Toshiba Semiconductor – 16-Output Constant Current LED Driver with Output Open/Short Detection | |||
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Test Circuit4: Power supply current
SCK
SIN
F.G
SLAT
OE
VDD
OUT0
OUT7
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10~90%)
REXT
GND
OUT15
SOUT
TCA62746AFG/AFNG
A
Test Circuit5: Constant current output / Output OFF leak current / Constant current error
Test Circuit5: Constant current power supply voltage regulation / Constant current output voltage regulation
SCK
VDD
OUT0
A
SIN
F.G
SLAT
OE
OUT7
A
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10~90%)
OUT15
A
REXT
GND
SOUT
Test Circuit6: OOD voltage / OSD voltage
SCK
F.G
SIN
SLAT
OE
VIH = VDD
VIL = 0 V
tr = tf = 10 ns
(10~90%)
REXT
VDD
GND
OUT0
V
OUT7
V
OUT15
V
SOUT
All output terminals is set to turning on, only one output terminal is connected with the VO2 power supply,
and VO2 is changed. VOOD/VOSD is confirmed by the error detection result from SOUT.
11
2007-05-22
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