RT9164A
Typical Application Circuit
V
IN
= 5V
C
IN
+
RT9164A
VIN
VOUT
ADJ
10uF
V
REF
I
ADJ
R1
133
1%
R2
232
1%
V
OUT
= 3.45V
+
C
OUT
10uF
Tantalum
R
2
V
OUT
= V
REF
(1+ )+I
ADJ
R
2
R
1
(1) C
IN
needed if device is far from filter capacitors.
(2) C
OUT
required for stability.
Figure 1. Adjustable Voltage Regulator
V
IN
= 5V
C
IN
+
RT9164A-33
VIN
VOUT
GND
+
V
OUT
3.3V
C
OUT
10uF
I
Q
10uF
Tantalum
(1) C
IN
needed if device is far from filter capacitors.
(2) C
OUT
required for stability.
Figure 2. Fixed Voltage Regulator
V
IN
= 5V
C
IN
10uF
+
RT9164A-28
VIN
VOUT
GND
C
OUT
+
18 - 27 Lines
22uF
I
Q
Figure 3. Active SCSI Bus Terminator
www.richtek.com
2
DS9164A-13 August 2007