STEVAL-TLL009V1 STMicroelectronics, STEVAL-TLL009V1 Datasheet

STEVAL-TLL009V1

Manufacturer Part Number

STEVAL-TLL009V1

Description

LED Lighting Development Tools High PWR LED STCF07 Camera Board

Manufacturer

STMicroelectronics

Datasheet

1.STEVAL-TLL009V1.pdf (4 pages)

Specifications of STEVAL-TLL009V1

Product Category

LED Lighting Development Tools

Rohs

yes

Product

Demonstration Boards

Core

STCF07

Operating Supply Voltage

5.3 V

For Use With

Power LEDs

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Features

■

Description

The STEVAL-TLL009V1 demonstration board

demonstrates the performance of the STCF07, a

dedicated and size-optimized solution for driving a

power LED.

This device is a buck-boost converter which

guarantees proper LED current control over all

possible battery voltage and LED forward voltage

conditions.

The output current control ensures good current

regulation over the forward voltage spread

characteristics of high-brightness LEDs.

June 2012

For further information contact your local STMicroelectronics sales office.

Buck-boost DC-DC converter

Drives one power LED up to 1 A in Flash mode

Drives one power LED up to 800 mA in

continuous mode

LED temperature protection and output current

control

1.8 MHz (typ.) fixed frequency PWM

Synchronous rectification

High efficiency across the total input voltage

range

Peak inductor limited to 2.3 A (typ.)

LED disconnected from the battery in

shutdown mode

NTC LED temperature protection

Overvoltage protection: 5.3 V

Short-circuit protection and overtemperature

protection

ULVLO function

1 µA max. shutdown current

RoHS compliant

Doc ID 023188 Rev 1

Camera flash based on the STCF07

The device also includes various functions to

protect the chip and the power LEDs, such as an

optional external NTC that is supported to protect

the LEDs against overheating.

It is possible to separately program the current

intensity in HIGH and LOW mode using the SEL

pin.

STEVAL-TLL009V1

Data brief

www.st.com

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STEVAL-TLL009V1 Summary of contents

Page 1

... ULVLO function ■ 1 µA max. shutdown current ■ RoHS compliant Description The STEVAL-TLL009V1 demonstration board demonstrates the performance of the STCF07, a dedicated and size-optimized solution for driving a power LED. This device is a buck-boost converter which guarantees proper LED current control over all possible battery voltage and LED forward voltage conditions ...

Page 2

... Schematic diagram 1 Schematic diagram Figure 1. Schematic diagram 2/4 Doc ID 023188 Rev 1 STEVAL-TLL009V1 ...

Page 3

... STEVAL-TLL009V1 2 Revision history Table 1. Document revision history Date 08-Jun-2012 Revision 1 Initial release. Doc ID 023188 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: © 2012 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 023188 Rev 1 STEVAL-TLL009V1 ...

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