TYPICAL APPLICATION (PROGRAMMABLE REGULATOR)

Adj

C

Adj

Adj

I

2

R

1

i

O

2

R

C

1

R

2

R

OUT

V

= 1.25V (1 +

) + I

R

Ci is required when regulator is located an appreciable distance from power supply filter.

Co is not needed for stability, however, in the range of 1μF to 100μF of aluminum or tantalum

electrolytic are commonly used to provide improved output impedance and rejection of transients.

2011. 02. 07

3/5

FR317S/LS/LFB

Revision No : 2

FR317LS/LFB