Application Circuit (example 2): When the condition of VLED is VLED > 17 V
The unnecessary voltage is one effective technique as to making the voltage descend with the zenor diode.
TB62726ANG/AFG
Example)
TD62M8600F: 8-bit multi-chip PNP transistor array, which
is not used in static lighting system.
VLED > 17 V
C.U.
SCAN
SERIAL-IN
ENABLE
LATCH
CLOCK
O0 O1 O2
O13 O14 O15
16-bit SIPO, Latches and
Constant-sink-current drivers
SERIAL-IN
SERIAL-OUT
ENABLE
TB62726ANG/AFG
LATCH
CLOCK
O0 O1 O2
O13 O14 O15
16-bit SIPO, Latches and
Constant-sink-current drivers
SERIAL-OUT
TB62726ANG/AFG
r1 = 100 Ω (min)
r2
r1 = 100 Ω (min)
11
2006-06-14