TB62779FNG Toshiba, TB62779FNG Datasheet - Page 15

• Manufacturer Part Number: TB62779FNG
• Manufacturer: Toshiba

Specifications of TB62779FNG

• Package: VSOP20
• # Outputs: 9
• Vout Max: 29V
• Io: 5.0 to 40mA
• Io Accuracy: ±6.0%
• Features Error Detection: -
• Features Gain Control: -
• Features Pwm Dimming: 7-bit
• Other Features & Functions: 2-wire interface
• Rohs Compatible Product(s) (#): Available

16. Output Current vs. Derating (lighting rate) Graph
PCB Conditions: 76.2 × 114.3 × 1.6 mm, Cu = 30%, 35-μm Thick, SEMI-Compliant
A pulse width of 25 ms or more is considered to be a DC current.
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
Output Current vs. External Resistor Value
0
0
0
120
100
80
60
40
20
0
100
Ta=85℃
V
ON PCB
O
Ta=25℃
V
ON PCB
=1.0V
20
20
O
=1.0V
Duty - Turn on rate (%)
Duty - Turn on rate (%)
I
I
O
O
TB62779FNG Output Current vs Resistor Value (Vcc = 5 V, Ta = 25°C)
40
40
- Duty
- Duty
60
60
Resistor Value ［Ω］
1 K
80
80
100
100
15
1.2
1.0
0.8
0.6
0.4
0.2
0.0
90
80
70
60
50
40
30
20
10
0
0
0
10
10 K
Ta=55℃
V
ON PCB
O
=1.0V
20
20
Output current: 1.12 (V)/REXT(Ω)*14.5
30
Duty - Turn on rate (%)
I
O
40
P
- Duty
D
40
- Ta
Ta (℃)
50
60
TB62779FNG
60
2010-07-21
70
80
80
100
90