DC COMPONENTS CO., LTD.
R
DE7818
DE7818A
INTEGRATED CIRCUIT
TECHNICAL SPECIFICATIONS OF 3-TERMINAL POSITIVE VOLTAGE REGULATOR
Description
These regulators empoly internal current limiting and thermal
shutdown, making them essentially indestructible. They can
deliver over 1A output current with adequate heatsinking. They are
intended as fixed voltage regulators in a wide range of applications
including local, on-card regulation for elimination of noise and
distribution problems associated with single-point regulation.
TO-220AB
.405(10.28)
.380(9.66)
.185(4.70)
.173(4.40)
Φ.151
Typ
Φ(3.83)
.055(1.39)
.045(1.15)
.295(7.49)
.220(5.58)
.625(15.87)
.570(14.48)
1 2 3
.350(8.90)
.330(8.38)
.640 Typ
(16.25)
Pinning
1 = Input
2 = Ground
3 = Output
Absolute Maximum Ratings
(T
A
=25
o
C)
Characteristic
Input Voltage
Total Power Dissipation
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature(Soldering 10 Sec.)
Symbol
V
I
P
D
T
opr
T
J
T
STG
T
L
Rating
35
Internal limit
0 to +125
125
-55 to +150
230
Unit
V
W
o
C
C
C
o
C
o
o
.055(1.40)
.045(1.14)
.037(0.95)
.030(0.75)
.562(14.27)
.500(12.70)
.100
Typ
(2.54)
.024(0.60)
.014(0.35)
Dimensions in inches and (millimeters)
Electrical Characteristics
o
Characteristic
(V
in
=27V, I
out
=500mA, 0 C T
J
125 C, unless otherwise specified)
Symbol
DE7818A
DE7818
DE7818A
DE7818
Min
17.46
17.28
17.46
17.10
-
-
-
-
-
-
-
-
53
-
-
-
1.7
-
Typ
18.00
18.00
18.00
18.00
15
-
-
5.0
5.5
-
-
-
69
2.0
2.5
1.5
-
-1.0
Max
18.54
18.72
18.54
18.90
360
180
360
180
8.0
0.5
1.3
110
-
-
-
-
-
-
Unit
o
o
Test Conditions
T
J
=25 C
Output Voltage
V
O
V
P
D
15W, 5mA I
O
1A
mV
mV
mA
mA
µV
dB
V
A
A
mV / C
o
Line Regulation
Load Regulation
Input Bias Current
Input Bias Current Change
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Output Current
Average T
C
of V
out
DE7818A
DE7818
Reg
line
Reg
load
I
IB
∆I
IB
V
n
RR
V
D
I
SC
I
max
∆V
O
/
∆T
T
J
=25 C, 21V V
in
33V
T
J
=25 C, 24V V
in
30V
o
T
J
=25 C, 5mA I
O
1.5A
o
T
J
=25 C, 250mA I
O
750mA
T
J
=25 C, I
O
1A
5mA I
O
1A
21V V
in
33V
T
A
=25 C, 10Hz f 100KHz
28V V
in
38V, f=120Hz
T
J
=25 C, I
O
=1A
T
J
=25 C
o
T
J
=25 C
0 C T
J
+125 C, I
O
=5mA
o
o
o
o
o
o
o
o
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