HT71xx-1
Circuit for Increasing Output Voltage
V
IN
V
IN
H T 7 1 X X -1
S e r ie s
G N D
I
S
S
V
O U T
V
O U T
C 1
1 0
m
F
C 2 V
1 0
m
F
X X
R 1
R 2
C o m m o n
S in g le p o in t G N D
C o m m o n
V
OUT
= V
XX
(1+
Circuit for Increasing Output Voltage
V
IN
R2
) + I
SS
R2
R1
V
IN
H T 7 1 X X -1
S e r ie s
G N D
I
S
S
V
O U T
V
O U T
C 1
1 0
m
F
C 2
1 0
m
F
V
X X
R 1
D 1
C o m m o n
S in g le p o in t G N D
C o m m o n
V
OUT
=V
XX
+V
D1
Constant Current Regulator
V
IN
V
IN
H T 7 1 X X -1
S e r ie s
G N D
I
S
S
V
O U T
C 1
1 0
m
F
C 2 V
1 0
m
F
X X
R
A
I
O
U T
R
L
C o m m o n
I
OUT
=
Dual Supply
V
XX
+ I
SS
R
A
IC 1
V
IN
V
IN
H T 7 1 X X -1
S e r ie s
G N D
V
O U T
V
C 3
1 0
m
F
V
O U T 1
IC 2
V
IN
H T 7 1 X X -1
S e r ie s
G N D
V
O U T
O U T 2
C 1
1 0
m
F
C o m m o n
C 2
1 0
m
F
R 1
C o m m o n
Rev. 1.90
9
August 8, 2012
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
