HT75XX-1
Short-Circuit Protection for Tr1
V
I
N
R
s
T
r
1
V
I
N
V
O
U
T
V
O U T
H
T
7
5
X
X
-
1
S
e
r
i
e
s
R
1
C
1
C
2
G
N
D
1
0
m
F
m
1 0 F
C
o
m
m
o
n
C
o
m
m
o
n
S
i
n
g
l
e
p
o
i
n
t
G
N
D
Circuit for Increasing Output Voltage
V
I
N
V
I
N
V
O
U
T
V
O U T
H
T
7
5
X
X
-
1
S
e
r
i
e
s
C
1
C
2
V
X
X
R
1
1
0
m
F
m
1 0 F
G
N
D
I
S S
R
2
C
o
m
m
o
n
S
i
n
g
l
e
p
o
i
n
t
G
N
D
C
o
m
m
o
n
R2
VOUT = VXX ( 1 +
) + ISS R2
R1
Circuit for Increasing Output Voltage
V
I
N
V
I
N
V
O
U
T
V
O U T
H
T
7
5
X
X
-
1
S
e
r
i
e
s
C
1
C
2
V
X
X
R
1
1
0
m
F
m
1 0 F
G
N
D
I
D
S
S
1
C
o
m
m
o
n
S
i
n
g
l
e
p
o
i
n
t
G
N
D
C
o
m
m
o
n
VOUT = VXX + VD1
Rev. 1.50
5
January 12, 2006
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
