Diodes AZ317 - Manual (Page 9)

3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317
Data Sheet
9
Jan. 2013 Rev. 1. 6 BCD Semiconductor Manufacturing Limited
Typical Application
Figure 4. Typical Application of AZ317
V
OUT
= V
REF
x (1+R2/R1) + I
ADJ
x R2
Since I
ADJ
is controlled to less than 100 μA, the error associated with this term is negligible
in most applications.
* = C
IN
is required if the regulator is located near power supply filter.
**= C
O
is needed for stability and it improves transient response.
AZ317
OUTPUT INPUT
ADJ
+ + *
C
IN
0.1 μF
**
C
O
1.0 μF
V
IN
V
OUT
R1
240 Ω
R2