Datasheet > TB62737FUG

TB62737FUG

更新时间： 2024-09-17 19:29:23

品牌	Logo	应用领域
MARKTECH		/
页数	文件大小	规格书
20页	589K
描述
Interface Circuit

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技术参数
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TB62737FUG 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.68
Base Number Matches：	1

TB62737FUG 数据手册

TB62737FUG

TOSHIBA BiCD Digital Integrated Circuit Silicon Monolithic

TB62737FUG

Step Up Type DC/DC Converter for White LED

Features

The TB62737FUG is a high efficient Step-Up Type DC/DC Converter specially

designed for constant current driving of White LED.

This IC can drive 2-6 white LEDs connected series using a Li-ion battery.

This IC contains N-ch MOS-FET Transistor for Coil-Switching, and LED Current

(I ) is set with an external resistor.

This IC is especially for driving back light white LEDs in LCD of PDA, Cellular

Phone, or Handy Terminal Equipment.

Characteristics

•

Brightness Control Function with changing drive current :

Weight: 0.016 g (Typ.)

LED Current I = 25% to 100% (Analog Input to SHDN terminal)

For the control in range of 25% or less, refer 7-page.

•

Maximum output voltage : V = 24 V

Can drive 2-6 white LEDs connected series (Typ. 4LEDs)

Variable LED Current I is set with a external resistor :

20 mA (Typ.) @RSENS = 16 Ω

•

Output Power : Available for 480mW LED loading

High Efficiency : 87% @Maximum (Using recommended external parts: Typ. 4LEDs)

Output Over Voltage Shutdown Function :

Switching Operation is shut downed when OVD terminal Voltage is over 19 V (typ.).

IC Package : SOT23-6

•

Switching Frequency : 1.1 MHz (Typ.)

Pin Assignment (Top view)

SHDN

OVD

VIN

GND

Caution 1:

This IC could be destroyed in some case if amounted in 180° inverse direction.

Please be careful about IC direction in mounting.

Company Headquarters

3 Northway Lane North

Latham, New York 12110

Toll Free: 800.984.5337

Fax: 518.785.4725

California Sales Office:

950 South Coast Drive, Suite 225

Costa Mesa, California 92626

Toll Free: 800.984.5337

Web: www.marktechopto.com | Email: info@marktechopto.com

Fax: 714.850.9314

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