tb62726afg TOSHIBA Semiconductor CORPORATION, tb62726afg Datasheet - Page 12

• Manufacturer Part Number: tb62726afg
• Description: 16-bit Constant-current Led Driver With Operating Voltage Of 3.3-v And 5-v
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Application Circuit (example 3): When the condition of VLED is Vf +0.7 < VLED < 17 V
VOUT = VLED-Vf = 0.7 to 1.0 V is the most suitable for VOUT.
Surplus VOUT causes an IC fever and the useless consumption electric power.
It is the one way of being effective to build in the r3 in this problem.
r3 can make a calculation to the formula r3 Ω = surplus VOUT/IOUT.
Though the resistance parts increase, the fixed constant current performance is kept
C.U.
SCAN
SERIAL-IN
ENABLE
LATCH
CLOCK
r2
O0
r1 = 100 Ω (min)
O1
Constant-sink-current drivers
16-bit SIPO, Latches and
TB62726ANG/AFG
O2
O13
O14
12
O15
r3
SERIAL-OUT
SERIAL-IN
LATCH
CLOCK
Example)
TD62M8600F: 8-bit multi-chip PNP transistor array, which
r1 = 100 Ω (min)
O0
Constant-sink-current drivers
16-bit SIPO, Latches and
O1
TB62726ANG/AFG
is not used in static lighting system.
O2
O13 O14 O15
r3
TB62726ANG/AFG
SERIAL-OUT
2006-06-14
V
LED
= 15 V