DC/DC Step-Down Converter IC

SI-8000TM Series

September 2005

Sanken Electric Co.,Ltd.

I02-001EA-050910

PReg

Latch

&

Driver

Over

Current

Protection

Thermal

Protection

Reference

Voltage

ON/

OFF

･

Soft

Start

Oscillator

Reset

Comparator

Error Amp

Vin

1

5

3

4

2

L

Di

C2

C1

C3

SI-8008TM

SS

GND

ADJ

SW

IN

R1

R2

6. Example application circuit

Recommended pattern

8000TM

C1

C2

C3

Di

IN

R2

R1

SW

Vout

GND

L

＋

＋

0.47

0.8

1.27

2.5

2.4

6.1

6.0

5.88

The example of the solder pattern.

*The circuit board layout is recommended as follows:

①

Other components are connected as close as possible to the SI-8008TM.

②

Each ground of all components is connected at one point area.

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