KIA278R00PI_15 Datasheet, PDF (3/5 Pages) KEC(Korea Electronics) – BIPOLAR LINEAR INTEGRATED CIRCUIT

KIA278R00PI
Fig. 1 Standard Test Circuit
1
2
4
V_IN
0.33µF
3
A ^Iq
R2
R1
470Ω
47µF
A ^Io
V
R_L
V_OUT = V_ref x ( 1 +
R2
R1
)
=
1.29
x
(
1
+
R2 ₎
R1
Fig. 2 Ripple Rejection Circuit
+
ein
_
+
_
V_IN
1
2
0.33µF
4
3
A _IQ
R2
R1
470Ω
Cref
3.3µF
A ^Io
47µF
R_L
V
f=120Hz(sine wave)
ei=0.5Vrms
RR=20log(ei/eo)
2008. 6. 24
Revision No : 2
3/5