SM8136AB 데이터 시트보기 (PDF) - Nippon Precision Circuits

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SM8136AB

White LED Driver IC

Nippon Precision Circuits  

BLOCK DIAGRAM

VIN

SM8136A

C1M C1P C2M C2P

Charge pump

1/ 1.5

VOUT

Mode control

&

Output voltage control

&

Protection

EN

Control

logic

Current

control

&

Current

detect

DIN1

DIN2

DIN3

PIN DESCRIPTION

Number

1

2

3

4

5

6

7

8

9

10

11

12

Name

C1M

C2M

C2P

C1P

VOUT

EN

DIN3

DIN2

DIN1

NC

PGND

VIN

NC

GND

(open at any time)

I/O

Description

–

Charge pump boost capacitor connection 1M

–

Charge pump boost capacitor connection 2M

–

Charge pump boost capacitor connection 2P

–

Charge pump boost capacitor connection 1P

O

LED drive voltage output

I

Enable/LED drive current setting (High active)

O

LED drive current control output 3 (connect to ground when not used)

O

LED drive current control output 2 (connect to ground when not used)

O

LED drive current control output 1 (connect to ground when not used)

–

No connection

–

Ground

–

Supply voltage input

SEIKO NPC CORPORATION —2

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