DN71 Zetex Semiconductors, DN71 Datasheet

DN71

Manufacturer Part Number

DN71

Description

ZXSC400 Solution

Manufacturer

Zetex Semiconductors

Datasheet

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DN71

ZXSC400 Solution for Luxeon

Description

This design note shows the ZXSC400 driving a Luxeon

from 4.2V to 5.4 V with a maximum output current of 790mA at 5V input.

A typical schematic diagram is shown in Figure 1.

Issue 5 - July 2006

Ref.

Value

22mH

22mV

350mV

220mF

450mF

=4.2V to 5.4V

Part number

ZXSC400E6

FZT1049

ZHCS2000

Generic

Vcc

Stdn

Gnd

ZXSC400

Figure 1 Schematic diagram

Table 1 Bill of materials

Vdrive

Isense

Manufacturer

Zetex

Generic

V Star high powered LED

V Star LED. The input voltage ranges

Comments

LED driver in SOT23-6

Low sat NPN in SOT23

2A Schottky in SOT23

0805 size

SAT

= 3A

www.zetex.com

Related parts for DN71

DN71 Summary of contents

Page 1

... DN71 ZXSC400 Solution for Luxeon Description This design note shows the ZXSC400 driving a Luxeon from 4.2V to 5.4 V with a maximum output current of 790mA at 5V input. A typical schematic diagram is shown in Figure 1. V =4. Ref. Value 22mH R1 22mV R2 350mV C1 220mF C2 450mF Issue 5 - July 2006 © ...

Page 2

... DN71 Typical operating characteristics (For typical application circuit where T Europe Americas Zetex GmbH Zetex Inc Streitfeldstraße 19 700 Veterans Memorial Highway D-81673 München Hauppauge, NY 11788 Germany USA Telefon: (49 Telephone: (1) 631 360 2222 Fax: (49 Fax: (1) 631 360 8222 europe ...

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