ILD1150 datasheet(5/34 Pages) INFINEON

Part #	ILD1150

Description	Multitopology High Power LED DC/DC Controller IC for Industrial Applications

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Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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5 / 34 page

ILD1150

Block Diagram

Datasheet

5

Rev. 1.1, 2012-04-11

2

Block Diagram

Figure 1

Block Diagram

EN / PWMI

COMP

IN

FBL

FBH

FREQ/

SYNC

GND

ST

Oscillator

14

13

10

8

11

12

3

9

6

7

SWCS

4

SWO

2

IVCC

1

Diagnostics

Logic

LDO

OVFB

SGND

Soft

Start

Slope

Comp.

Internal

Supply

On/Off

Logic

Leading Edge

Blanking

5

PWMO

EN_INT/

PWM_INT

Thermal

Protection

Open Load

Detection

Over Volage

Protection

PWM

Generator

Power Switch

Gate Driver

Feedback Voltage

Error Amplifier

Dimming Switch

Gate Driver

Power On

Reset

EN_INT/

PWM_INT

BlockDiagram .vsd

Switch Current

Error Amplifier

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