HI-SINCERITY
MICROELECTRONICS CORP.
Test Circuits
Spec. No. : IC200403
Issued Date : 2004.03.01
Revised Date : 2004.08.31
Page No. : 7/10
V
IN
3
H78LXX
Series
2
1
V
OUT
V
IN
C
IN
3
H78LXX
Series
2
1
V
OUT
270pF
V
IN
- +
3
H78L05
Series
2
1
V
OUT
C
IN
0.33uF
C
OUT
0.1uF
0.33uF
R
L
+
-
100
V
OUT
0V
DC 9V
R
L
DC Parameter
Load Regulation
Ripple Rejection
Application Circuits
Constant Current Regulator
Circuit for Increasing Output Voltage
V
IN
3
H78LXX
Series
2
1
V
OUT
V
IN
3
H78LXX
Series
I
B
2
1
V
OUT
0.33uF
R
1
0.33uF
R
1
I
R1
0.1uF
10uF
R
2
0.1uF
10uF
V
OUT
=V
OUT(IC)
+V
Z
I
1
=V
OUT(IC)
/R
1
V
OUT
=V
OUT(IC)
(1+R
2
/R
1
)+R
2
*I
B
Adjustable Output Regulator
High Output Current with Short-circuit Protection
V
IN
3
H78LXX
Series
I
B
2
1
0.1uF 10uF
V
OUT
V
IN
R
1
Q
2
R
sc
Q
1
3
0.33uF
-
+
H78LXX
Series
2
1
V
OUT
R
1
R
2
0.33uF
0.1uF
10uF
V
OUT
=V
OUT(IC)
(1+R
2
/R
1
)
R
1
≤V
BE1
/I
B(max)
R
SC
=V
BE2
/I
SC
, I
SC
: Short-Circuit Current
H78LXXAM / BM, H78LXXAA / BA
HSMC Product Specification
HSMC [ HI-SINCERITY MOCROELECTRONICS ]
