tb62778fng Marktech Optoelectronics, tb62778fng Datasheet - Page 8

• Manufacturer Part Number: tb62778fng
• Description: 8-channel Constant-current Led Driver Of The 3.3-v And 5-v Power Supply Voltage Operation
• Manufacturer: Marktech Optoelectronics

Electrical Characteristics
Output current
Output current error between ICs
Output current error between channels
Output leakage current
Input voltage
Input current
SERIAL-OUT output voltage
OOD detection voltage
OSD detection voltage
Changes in constant output current
dependent on V
Pull-up resistor
Pull-down resistor
Supply current
Characteristics
DD
(Unless otherwise specified, Ta = 25°C, V
I
I
DD (OFF) 1
DD (OFF) 2
R
I
Symbol
∆ I
∆ I
%/V
DD (ON)
I
V
R
V
OUT1
V
V
(Down)
OUT1
OUT2
I
V
V
OOD
OSD
I
OZ
I
OH
(Up)
IH
OL
IL
IH
IL
DD
Circuit
TENTATIVE
Test
⎯
⎯
5
5
5
5
2
3
1
1
7
7
5
3
2
4
4
4
V
V
V
All channels ON V
VG = 1
V
All channels ON V
VG = 1
V
SERIAL-IN/CLOCK/ LATCH /
SERIAL-IN/CLOCK/ LATCH /
V
CLOCK/SERIAL-IN/ LATCH /
V
CLOCK/SERIAL-IN/ LATCH /
I
I
5 to 40 mA
5 to 40 mA
V
R-EXT = OPEN, V
R-EXT = 1.2 k Ω , V
All channels OFF
R-EXT = 1.2 k Ω , V
All channels ON
8
ENABLE
ENABLE
ENABLE
ENABLE
ENABLE
LATCH
OL
OH
OUT
DD
OUT
OUT
OUT
IN
IN
DD
= 5.0 mA, V
= VDD
= GND
= − 5.0 mA, V
= 3.3 V, VG = 1
= 3 V to 5.5 V
= 0.4 V, R-EXT = 1.2 k Ω
= 0.4 V, R-EXT = 1.2 k Ω
= 0.4 V, R-EXT = 1.2 k Ω
= 25 V
Test Condition
DD
DD
OUT
OUT
OUT
= 3.3 V
DD
DD
= 3.3 V
= 25.0 V
= 3.3 V,
= 3.3 V,
= 25.0 V,
= 0.4 V,
DD
0.7 ×
GND
0.9 ×
= 3 to 3.6 V)
V
V
Min
160
160
3.0
0.2
―
―
⎯
⎯
―
―
⎯
⎯
⎯
⎯
⎯
DD
DD
(Ver.0.0) 08-02-07
TB62778FNG
0.95 ×
Typ.
V
200
200
0.3
15
± 3
± 1
⎯
⎯
⎯
―
―
⎯
⎯
⎯
⎯
⎯
DD
1
0.3 ×
Max
V
V
V
240
240
0.3
0.4
± 6
± 3
− 1
―
⎯
1
DD
DD
1
DD
2
1
5
9
Unit
mA
mA
µ A
µ A
k Ω
k Ω
%
%
%
V
V
V
V