Datasheet > ZXSC300

ZXSC300

更新时间： 2024-02-29 00:23:37

品牌	Logo	应用领域
捷特科 - ZETEX		驱动器
页数	文件大小	规格书
12页	188K
描述
SINGLE OR MULTI CELL LED DRIVER SOLUTION

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中文翻译

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ZXSC300 数据手册

ZXSC300

SINGLE OR MULTI CELL LED DRIVER SOLUTION

DESCRIPTION

The ZXSC300 is a single or multi cell LED driver The circuit can start up under full load and operates

designed for applications where step-up voltage down to an input voltage of 0.8 volts. The solution

conversion from very low input voltages is required. configuration ensures optimum efficiency over a wide

These applications mainly operate from single 1.5V or range of load currents, several circuit configurations

1.2V battery cells. The circuit generates constant are possible depending on battery life versus

current pulses that are ideal for driving single or brightness considerations.

multipleLED’sover a wide rangeofoperatingvoltages.

The ZXSC300 is offered in the SOT23-5 package which,

The ZXSC300 is a PFM controller IC that drives an when combined with a SOT23 switching transistor,

external Zetex switching transistor with a very low generates a high efficiency small size circuit solution.

saturation resistance. These transistors are the best The IC and discrete combination offers the ultimate

switching devices available for this type of switching cost vs performance solution for single cell LED driving

conversion enabling high efficiency conversion with applications.

input voltages below 1 volt. The drive output of the

ZXSC controller generates a dynamic drive signal for

the switching transistor.

FEATURES

APPLICATIONS

• 94% efficiency

• LED flashlights and torches

• Minimum operating input voltage 0.8V

• Fixed output current

• LED backlights

• White LED driving

• Multiple LED driving

• Solar Equipment

• Low saturation voltage switching transistor

• SOT23-5 package

TYPICAL APPLICATION CIRCUIT

ORDERING INFORMATION

DEVICE

Reel

Tapewidth Quantity

per reel

V_BATT

100µH

ZXSC300E5TA

7”

8mm

3,000

FMMT617

V_cc

DEVICE MARKING C300

Package SOT23-5

LED1

drive

WHITE LED

I_sense

Gnd

ZXSC300

0.33R

ISSUE 3 - NOVEMBER 2006

12 3 4 5 6 7...12

中文翻译

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