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TB62731FUG Datasheet(Fiches technique) 1 Page - Marktech Corporate

Numéro de pièce TB62731FUG
Description  Step-up DC-DC Converter for White LED Driver
Télécharger  17 Pages
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Fabricant  MARKTECH [Marktech Corporate]
Site Internet  http://www.marktechopto.com
Logo MARKTECH - Marktech Corporate

TB62731FUG Datasheet(HTML) 1 Page - Marktech Corporate

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TB62731FUG
TOSHIBA BiCD Digital Integrated Circuit
Silicon Monolithic
TB62731FUG
Step-up DC-DC Converter for White LED Driver
The TB62731FUG is an LED driver that uses a high power
efficiency step-up DC-DC converter. The converter turns on/off 2
to 6 white LEDs in series.
The IC incorporates an N-channel MOSFET transistor used for
coil-switching and a function that reduces the LED current in
response to increase in temperature.
The mean LED current can be easily set using an external
resistor.
The IC is ideal as a driver for LED light sources used as liquid
crystal backlights for PDAs, cellular phones, and handy
terminals.
Features
• Maximum output voltage: Vo ≤ 28 V
• Mean LED current values set according to external resistor
14 mA (typ.) @R_sens = 2.7 Ω
20 mA (typ.) @R_sens = 1.8 Ω
• Supply power: Up to 320 mW supported
• Compact package: SSOP6-P-0.95B, 6 pins
• Built-in temperature derating function: LED current derated automatically depending on temperature
• High power efficiency
Up to 80% of peak power efficiency achieved using recommended components
Ron = 2.0 Ω (typ.) @VIN = 3.2~5.5 V
Built-in low Ron power MOS switch
Pin assignment (top view)
Weight: 0.016 g (typ.)
K
GND
SHDN
A
GND
VCC
Company Headquarters
3 Northway Lane North
Latham, New York 12110
Toll Free: 800.984.5337
Fax: 518.785.4725
Web: www.marktechopto.com | Email: info@marktechopto.com
California Sales Office:
950 South Coast Drive, Suite 265
Costa Mesa, California 92626
Toll Free: 800.984.5337
Fax: 714.850.9314
Company Headquarters
3 Northway Lane North
Latham, New York 12110
Toll Free: 800.984.5337
Fax: 518.785.4725
Web: www.marktechopto.com | Email: info@marktechopto.com
California Sales Office:
950 South Coast Drive, Suite 265
Costa Mesa, California 92626
Toll Free: 800.984.5337
Fax: 714.850.9314


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