HT71XX
High output current positive voltage regulator
T
r
1
V
I
N
V
O
U
T
V
I
N
V
O
U
T
H
T
7
1
X
X
S
e
r
i
e
s
R
1
G
N
D
C
1
C
1
2
1
m
0 F
m
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
Short-Circuit protection by Tr1
V
I
N
R
s
T
r
1
V
O
U
T
V
I
N
V
O
U
T
H
T
7
1
X
X
S
e
r
i
e
s
R
1
G
N
D
C
1
C
1
2
1
m
0 F
m
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
O
U
T
V
I
N
V
O
U
T
H
T
7
1
X
X
S
e
r
i
e
s
C
1
G
N
D
C
1
2
V
X
X
R
R
1
2
I
S
S
1
m
0 F
m
0 F
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
R1
VOUT = VXX (1+
) + ISS R2
6
August 8, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
