STEVAL-ILL039V1 STMICROELECTRONICS [STMicroelectronics], STEVAL-ILL039V1 Datasheet

STEVAL-ILL039V1

Manufacturer Part Number

STEVAL-ILL039V1

Description

Step-up current controller for 2 LEDs based on the STLDC08 driver

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.STEVAL-ILL039V1.pdf (4 pages)

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Features

■

Description

The purpose of the STEVAL-ILL039V1

demonstration board is to provide an example for

applications of an LED driver using the step-up

controller STLDC08.

The STLDC08 is designed for handheld

equipment supplied by AA or AAA batteries and

provides a precise constant current starting from

a variable input voltage source.

The LED current is set by an external sense

resistor inserted between the feedback pin (FB)

and GND.

A regulation loop holds the voltage drop at the

sense resistor at a constant level (100 mV typ.).

October 2011

For further information contact your local STMicroelectronics sales office.

Input voltage: 0.8 V to 3.6 V

Output : 2 LEDs at I

Dimming mode with external PWM signal

RoHS compliant

LED

= 200 mA

Doc ID 018912 Rev 1

Step-up current controller for 2 LEDs

based on the STLDC08 driver

STEVAL-ILL039V1

www.st.com

Data brief

1/4

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STEVAL-ILL039V1 Summary of contents

Page 1

... Dimming mode with external PWM signal ■ RoHS compliant Description The purpose of the STEVAL-ILL039V1 demonstration board is to provide an example for applications of an LED driver using the step-up controller STLDC08. The STLDC08 is designed for handheld equipment supplied AAA batteries and provides a precise constant current starting from a variable input voltage source ...

Page 2

... Schematic 1 Schematic Figure 1. Schematic 2/4 Doc ID 018912 Rev 1 STEVAL-ILL039V1 ...

Page 3

... STEVAL-ILL039V1 2 Revision history Table 1. Document revision history Date 31-Oct-2011 Revision 1 Initial release. Doc ID 018912 Rev 1 Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 018912 Rev 1 STEVAL-ILL039V1 ...

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