TB62737FPG Toshiba, TB62737FPG Datasheet - Page 7

• Manufacturer Part Number: TB62737FPG
• Manufacturer: Toshiba

Specifications of TB62737FPG

• Package: SON6
• Supply Voltage: 2.8V to 5.5V
• # Leds Supported: 2 to 6 LEDs in series
• Sw Frequency: 1.1MHz
• Led Current Accuracy: ±5.23% (max)
• Protection Feature: Output overvoltage protection
• Other Features & Functions: Analog dimming
• Rohs Compatible Product(s) (#): -

<Reference Data>
Condition: V
(1) C
(2) C
(3) C
(4) C
25
20
15
10
25
20
15
10
25
20
15
10
25
20
15
10
5
0
5
0
5
0
5
0
1
1
1
1
0
0
0
0
= 4.7 μF, C
= 4.7 μF, C
= 4.7 μF, C
= 2.2 μF, C
IN
20
20
20
20
= 3.6 V, L = 6.8 μH, 4LEDs, R
2
2
2
2
ON Duty width[%] V.S. Error with Ideal Value
ON Duty width[%] V.S. Error with Ideal Value
ON Duty width[%] V.S. Error with Ideal Value
ON Duty width[%] V.S. Error with Ideal Value
= 0.1 μF
= 0.47 μF
= 1.0 μF
= 1.0 μF
40
ON Duty width[%]
40
40
40
ON Duty width[%]
ON Duty width[%]
ON Duty width[%]
TB62737FUG
TB62737FUG
TB62737FUG
TB62737FUG
60
60
60
60
80
80
80
80
SENS
100
7
100
100
100
= 16 Ω @I
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
F
= 20 mA
SHDN
SHDN
SHDN
SHDN
VOUT
VOUT
VOUT
VOUT
I
I
I
I
IN
IN
IN
IN
Wave Form
Wave Form
Wave Form
Wave Form
TB62737FPG
2010-11-16