TCA62723FMG Toshiba, TCA62723FMG Datasheet - Page 5

• Manufacturer Part Number: TCA62723FMG
• Manufacturer: Toshiba

Specifications of TCA62723FMG

• Package: SON10
• # Outputs: 3
• Vout Max: 6V
• Io: 5.0 to 150mA
• Io Accuracy: ±7.5%
• Features Error Detection: -
• Features Gain Control: -
• Features Pwm Dimming: -
• Other Features & Functions: PIPO I/F
• Rohs Compatible Product(s) (#): Available

Output Current Dimming Control
1) Method of inputting analog voltage to terminal REXT
1. Precondition
2. The maximum current is defined as αmA.
3. The minimum current is defined as βmA.
4. I
(Example) Current Dimming from I
OUT
Please set the range of the analog voltage input by 0 to 1.17V.
Note: These application examples are provided for reference only. Thorough evaluation and testing
can be set according to the next expression.
should be implemented when designing your application's mass production design.
140
120
100
80
60
40
20
α = 1.17×
0
β =1.17×
I
OUT
0
CTL0
CTL1
CTL2
GND
SHDN
TCA62723FMG
= V
ADJ
0.1 0.2
Current Dimming Control (Reference data)
×
OUT
R
1
EXT
R
β - α
1.17
=120mA to 60mA (Reference data)
OUT 0
OUT 1
OUT 2
R
REXT
1
1
VIN
×R
+ R
×460
R1=24kΩ, REXT=9.1kΩ
EXT
0.3
+ α
EXT
2.7V~5.5V
(V
(V
ADJ
V
ADJ
0.4
IN
=1.17V)
×460
=0V)
VADJ (V)
0.5 0.6
5
V
OUT
0.7
0.8
0.9
0~1.17V
V
ADJ
1
R
R
1
EXT
1.1
TCA62723FMG
2010-06-10