BD81A24MUV-M datasheet(27/40 Pages) ROHM

Part #	BD81A24MUV-M

Description	4ch White LED Driver with Buck-Boost

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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Datasheet

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BD81A24MUV-M/EFV-M

TSZ02201-0T3T0C600070-1-2

2016.10.19 Rev.003

www.rohm.com

TSZ22111・15・001

Additional parts for EMC

1.

This part adjusts “Slew Rate” of high side FET.

2.

This part decreases noise of current loop of high side FET.

3.

This part decreases spectrum of high frequency on power line.

4.

This low Pass Filter decreases noise of power line.

5.

This common mode filter decreases noise of power line.

6.

This snubber circuit decreases spectrum of high frequency of low side FET.

7.

This snubber circuit decreases ringing of switching for low side FET.

Figure 37. Application parts for EMC

BD81A24MUV-M /

BD81A24EFV-M

CIN

CREG

VREG

VCC

EN

VDISC

OVP

CS

BOOT

OUTH

SW

OUTL

COUT

DGND

LED1

LED2

LED3

LED4

PGND

SYNC

RT

RRT

COMP

RPC

CPC

SS

CSS

PWM

ISET

RISET

GND

SHDETEN

LEDEN1

LEDEN2

VCC

1

7

6

3

4

5

FAIL2

FAIL1

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BD81A24MUV-M Datasheet(PDF) 27 Page - Rohm

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