NTE1920
3 Terminal Positive Voltage Regulator
18V, 1.5A
Description:
The NTE1920 is a positive 3鈥搕erminal voltage regulator in a TO3 type package suitable for numerous
applications including local, on鈥揷ard regulation requiring up to 1.5A. This device features thermal
shutdown and current limiting making the NTE1920 remarkably rugged.
Although designed primarily as a fixed voltage regulator, this device can be used with external compo-
nents to obtain adjustable voltages and currents.
Features:
D
Internal Thermal Overload Protection
D
Output Transistor Safe Area Protection
D
Internal Short Circuit Current Limit
D
No External Components Required
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Input Voltage , V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
Internal Power Dissipation (T
A
= +25擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.5mW/擄C
Internal Power Dissipation (T
C
= +25擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182mW/擄C
Operating Junction Temperature Range, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Thermal Resistance, Junction鈥搕o鈥揅ase, R
thJC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5擄C/W
Electrical Characteristics:
(鈥?5擄
鈮?/div>
T
J
鈮?/div>
+150擄C, V
IN
= 27V, I
O
= 0.5Aunless otherwise specified)
Parameter
Output Voltage
Symbol
V
O
Reg
line
Reg
load
T
J
= +25擄C
5mA
鈮?/div>
I
O
鈮?/div>
1A, 22V
鈮?/div>
V
IN
鈮?/div>
33V, P
O
鈮?/div>
15W
Line Regulation
T
J
= +25擄C, 21V
鈮?/div>
V
IN
鈮?/div>
33V, Note 1
T
J
= +25擄C, 24V
鈮?/div>
V
IN
鈮?/div>
30V, Note 1
Load Regulation
T
J
= +25擄C, 5mA
鈮?/div>
I
O
鈮?/div>
1.5A, Note 1
T
J
= +25擄C, 250mA
鈮?/div>
I
O
鈮?/div>
750mA, Note 1
Test Conditions
Min
17.3
17.1
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
18.0
18.0
7
4
35
12
Max
18.7
18.9
180
90
180
90
Unit
V
V
mV
mV
mV
mV
Note 1. Load and line regulation are specified at constant junction temperature. Change in V
O
due
to heating effects must be taken into account separately. Pulse testing with low duty cycle is
used.
NTE1920 產(chǎn)品屬性
NTE
置換半導體
否
1
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