TB62737FUG(O,EL) Toshiba, TB62737FUG(O,EL) Datasheet - Page 7

• Manufacturer Part Number: TB62737FUG(O,EL)
• Description: IC LED DRIVR WHITE BCKLGT 6-SSOP
• Manufacturer: Toshiba
• Type: Backlight, White LEDr

Specifications of TB62737FUG(O,EL)

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 770kHz ~ 1.43MHz
• Voltage - Supply: 2.8 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: SC-74-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 20mA
• Internal Switch(s): Yes
• Efficiency: 87%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: TB62737FUGTR

<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 µ F, C
= 4.7 µ F, C
= 4.7 µ F, C
= 2.2 µ F, C
IN
20
20
20
20
= 3.6 V, L = 6.8 µ H, 4LEDs, RSENS = 16 m Ω @Io = 20 mA
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 µ F
= 0.47 µ F
= 1.0 µ F
= 1.0 µ F
40
40
40
40
ON Duty width[%]
ON Duty width[%]
ON Duty width[%]
ON Duty width[%]
TB62737FUG
TB62737FUG
TB62737FUG
TB62737FUG
60
60
60
60
80
80
80
80
7
100
100
100
100
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
500kHz
1kHz
2kHz
4kHz
8kHz
12kHz
SHDN
VOUT
SHDN
VOUT
SHDN
VOUT
SHDN
VOUT
I
I
I
I
IN
IN
IN
IN
Wave Form
Wave Form
Wave Form
Wave Form
TB62737FUG
2006-06-14