1

A

1

Vin=10~18V

CN1

1

4

5

2

3

6

GND

F1

4A

ADJ

C2

2.2uF/25V

VIN

R18

100K

C4

NC

CLAMP

取取OVP, LED Open ,

Vout

但Clamp 維維在維

OVP

電電電, 但但但Shutdown.

VIN

L1

120uH

C1

47uF/50V

頻頻 維設

:

Freq.(KHz)=7023/R5(KΩ)

1

VDD

U1

OUT

2

EN

C5 3

CMP

104

GND

FREQ

4

INN CLP

BIT3260

R5

22K / R0603

R2

0R

OCP

保保維0.5V

CLP

C7

100p

R14

100K

R13

0.2R/1W

Q1

B0210D

D1

BSCD310H

CLP

24V

D3

C6

100p

R3

510K

D4

R4

180K

C3

47uF/100V

24V

INN

I-LED

V-OVP CN2

1

2

R14

No-OCP

Function

OCP + OVP

Achieve OVP by INN pin

OCP + OVP

Achieve OVP by OCP pin

NC

100K

100K

D2

1SS355

R1

100K

R13

0Ω

D3

20KΩ

INN

R6

20K

OVP

功功功功INN Pin OCP Pin

但但但但Shutdown

, LED

或或或

,

Output

電電但 維維維維維維維

功功功

OVP

,

電電維

.

D4

NC

V-OVP

(Vz+0.5)x(R3+R4)/R4

ON

ON

24V

NC

ON

24V

(Vz+0.5)x(R3+R4)/R4

(Vz+0.2)x(R3+R4)/R4

R7

3R3

R8

3R3

R9

3R3

R10

3R3

R11

NC

R12

NC

R=R7//R8//R9//R10//R11//R12

R=0.2/I-LED

The circuit furnished in this document is the property of BiTEK and SHOULD be treated as highly confidentiality; ANY UNAUTHORIZED DISCLOSURE, COPYING, DISTRIBUTION OR

USE IS STRICTLY PROHIBITED. The receiver shall fully compensate BiTEK without any reservation for any losses thereof due to its violation of BiTEK's confidential request. Further, the receiver is deemed to agree on BiTEK's confidential request therein otherwise the receiver shall return this document to BiTEK immediately.

BiTEK is not responsible for any possibly infringement of intellectual property rights owned by any third party that may arise from the use of these circuits.

Title

Size

Custom

Date:

Beyond Innovation Technology Co., LTD.

4F,No.16, Sec.4, Nanjing E. Road,Taipei,Taiwan,R.O.C.

Tel ： Fax

：

BIT3260+B0210D Demo board

Document Number Task Code

INV-1123-100-242

Friday, February 24, 2012 Sheet 1 of 1

Rev

1.1

1

A