BD9206EFV データシートの表示（PDF） - ROHM Semiconductor

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BD9206EFV

LED Driver Series for LCD Backlight Simple Structure Constant Current Backlight Driver for LCD panels (Non-step type)

ROHM Semiconductor 

BD9206EFV

●Block diagram

Technical Note

●Package outline drawing

VCC

20

STBY

2

AGND

4

PREREG

100k

REF

EN

3

100k

5VREG

PREREG

TSD

5VREG

VSET

18

Driver

6

Current

RSET Setting

5V

1 VREG

REG

UVLO

5VREG Current

Driver

LED1

6

ENH1

ISET1

5VREG

LED2～5

ISET2～5

4

Vo

・・・・

BD9206EFV

Lot No.

TEST 17

Fig..1

5VREG

ISET6

LED6

15

PGND1～2

HTSSOP-B20（Unit：mm）

Fig..2

●Terminal placement diagram ●Terminal explanation

VREG 1

20 VCC

Terminal

number

Terminal

name

Function

STBY 2

19 N.C.

1

VREG

Power supply for internal circuit

EN 3

AGND 4

18 VSET

17 TEST

Stand by terminal

2

STBY

(Low:OFF,High:stand by,

operation)

PGND1 5

16 PGND2

3

EN

LED1～16 Enable terminal(Active:High)

LED1 6

LED2 7

LED3 8

N.C. 9

15 LED6

14 LED5

13 LED4

12 N.C.

4

AGND

GND for internal standard section

5

PGND1

POWER GND for LED driver

6

LED1

Output terminal 1 for LED driver

N.C. 10

11 N.C.

7

LED2

Output terminal 2 for LED driver

Fig..3

8

LED3

Output terminal 3 for LED driver

9

N.C.

(Not yet connected terminal)

10

N.C.

(Not yet connected terminal)

Terminal

number

11

Terminal

name

N.C.

Function

(Not yet connected terminal)

12

N.C.

(Not yet connected terminal)

13

LED4

Output terminal 4 for LED driver

14

LED5

Output terminal 5 for LED driver

15

LED6

Output terminal 6 for LED driver

16

PGND2

Power GNDPOWER GND for LED

driver

17

TEST

Terminal for test mode shift

(Use at usual time：Low)

18

VSET

Standard voltage terminal for fixed

electric current setting

19

N.C.

(Not yet connected terminal)

20

VCC

Terminal of power supply

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3/12

2009.07 - Rev.A

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