HT75XX
Circuit for increasing output voltage
V
IN
V
C 1
1 0
m
F
IN
H T 7 5 X X
S e r ie s
G N D
I
S
S
V
O U T
V
C 2
1 0
m
F
V
O U T
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
C 1
1 0
m
F
IN
H T 7 5 X X
S e r ie s
G N D
V
O U T
V
C 2
V
1 0
m
F
O U T
X X
I
S
S
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
V
C 1
1 0
m
F
V
IN
IN
H T 7 5 X X
S e r ie s
G N D
I
S
S
O U T
C 2
1 0
m
F V
X X
R
A
I
O
U T
R
L
C o m m o n
I
OUT
=
V
XX
+ I
SS
R
A
8
May 2, 2000