HI-SINCERITY
MICROELECTRONICS CORP.
Test Circuits
Spec. No. : IC200405
Issued Date : 2004.04.01
Revised Date : 2006.01.19
Page No. : 7/12
V
IN
1
H78XX
Series
2
3
V
OUT
V
IN
C
IN
1
H78XX
Series
2
3
V
OUT
270pF
V
IN
- +
1
H7805
Series
2
3
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
1
H78XX
Series
2
3
V
OUT
V
IN
1
H78XX
Series
I
B
2
3
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
V
IN
1
R
sc
Q
2
H78XX
Series
I
B
2
3
0.1uF 10uF
V
OUT
Q
1
1
R
1
-
+
H78XX
Series
2
3
V
OUT
0.33uF
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
H78XXAJ / BJ, H78XXAI / BI, H78XXANE / BNE, H78XXAE / BE
HSMC Product Specification
HSMC [ HI-SINCERITY MOCROELECTRONICS ]
