RT8020

2

DS8020-06 March 2012

www.richtek.com

©

Copyright 2012 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Typical Application Circuit

Figure 1. Adjustable Voltage Regulator

(

)

Rx2

Rx1

1

V

V

REF

OUTx

+

×

=

EN2

NC2

FB2

VIN2

LX2

FB1

RT8020

1

2

4

9

10

11

GND

LX1

GND

8

5 NC1

3, Exposed Pad (13)

12

L2

2.2µH

850k

4.7µF

22pF

VIN1 7

6 EN1

4.7µF

L1

2.2µH

R22

4.7µF

850k

22pF

4.7µF

R12

C11

C21

R11

R21

Marking Information

RT8020APQW

C2-YM

DNN

RT8020AGQW

C2- : Product Code

YMDNN : Date Code

RT8020BPQW

C3= : Product Code

YMDNN : Date Code

C3=YM

DNN

RT8020BGQW

C3-YM

DNN

C3- : Product Code

YMDNN : Date Code

C4=YM

DNN

C4-YM

DNN

C5=YM

DNN

C5-YM

DNN

RT8020CPQW

C2=YM

DNN

C2= : Product Code

YMDNN : Date Code

C4- : Product Code

YMDNN : Date Code

RT8020CGQW

C4= : Product Code

YMDNN : Date Code

RT8020DPQW

C5- : Product Code

YMDNN : Date Code

RT8020DGQW

C5=: Product Code

YMDNN : Date Code