HT1086 Series
Application Circuits
Basic Circuits
·
Variable voltage type
V
I
N
V
O U T
V
I
N
V
O
U
T
H
T
1
0
8
6
-
A
D
J
R
1
C
1
C
2
V
R
E
F
A
D
J
1
2
5
1
0
m
F
m
1 0 F
I
A D J
R
2
1
k
W
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
R2
R1
VOUT = VREF ( 1 +
) + IADJ R2
Note:
C1 is required if the needed if the device is located far from filter capacitors, the recommended value is 10mF.
C2 is required for stability, the recommended value is 10mF.
R1 is required for regulation, the recommended value is 125W.
·
Fixed voltage type
V
I
N
V
O U T
V
I
N
V
O
U
T
H
T
1
0
8
6
S
e
r
i
e
s
G
N
D
C
1
C
2
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
Note: C1 is required if the needed if the device is located far from filter capacitors, the recommended value is 10mF.
C2 is required for stability, the recommended value is 10mF.
Typical Application Circuits
·
1.25~10.5V regulator
2
.
7
5
£
V
I
N
£
1
2
V
V
O U T
V
I
N
V
O
U
T
H
T
1
0
8
6
-
A
D
J
R
1
C
1
C
2
V
R
E
F
1
2
5
1
0
m
F
m
1 0 F
A
D
J
I
A D J
R
2
1
k
W
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
Rev. 1.10
4
February 29, 2008
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
