ZXSC300 查看數據表（PDF） - Diodes Incorporated.

零件编号

产品描述 (功能)

生产厂家

ZXSC300

SINGLE OR MULTI CELL LED DRIVER SOLUTION

Diodes Incorporated. 

ZXSC300

REFERENCE DESIGNS

Two typical LED driving applications are shown.

Firstly a maximum brightness solution and

secondly an optimised battery life solution.

Maximum brightness solution

This circuit provides a constant current output to

the LED by rectifying the switching pulses. This

ensures maximum LED brightness.

VBATT

L1

100µH

U1

Vcc

Vdrive

Isense

Gnd

ZXSC300

D1

ZHCS1000

Q1

FMMT617

C1

2.2µF

LED1

WHITE LED

R1

0.1R

Material List

Ref

Value

U1

N/A

Q1

N/A

D1

1A

R1

100mR

C1

2.2␮F

L1

100µH

LED1

5600mcd

Part Number

ZXSC300E5

FMMT617

ZHCS1000

Generic

Generic

DO1608P-104

NSPW500BS

Manufacture

Zetex Plc

Zetex Plc

Zetex Plc

Various

Various

Coilcraft

Nichia

Comments

Single cell converter, SOT23-5

Low VCE(sat) NPN, SOT23

1A Shottky diode, SOT23

0805 Size

Low ESR ceramic capacitor

Surface mount inductor

White LED

ISSUE 4 - SEPTEMBER 2007

6

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