NTE1914
3 Terminal Positive Voltage Regulator
12V, 1A
Description:
The NTE1914 is a positive 3鈥搕erminal voltage regulator in a TO3 type package suitable for numerous
applications requiring up to 1A. One of these is local on card regulation, eliminating the distribution
problems associated with single point regulation. Other applications include; logic systems, instru-
mentation, HiFi, and other solid state lectronic equipment. Although designed primarily as a fixed volt-
age regulator, the NTE1914 can be used with external components to obtain adjustable voltages and
currents.
Features:
D
Output Current in Excess of 1A
D
Internal Thermal Overload Protection
D
No External Components Required
D
Output Transistor Safe Area Protection
D
Internal Short Circuit Current Limit
Absolute Maximum Ratings:
Input Voltage , V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
Power Dissipation (Note 1), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Maximum Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150擄C
Operating Junction Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Lead Temperature (During Soldering, 10 sec), T
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300擄C
Note 1. Thermal resistance is typically +4擄C/W junction鈥搕o鈥揷ase and +35擄C/W junction鈥搕o鈥揳mbient.
Electrical Characteristics:
(0擄
鈮?/div>
T
J
鈮?/div>
+125擄C, V
O
= 12V, V
IN
= 19V, Note 2 unless otherwise
specified)
Parameter
Output Voltage
Symbol
V
O
Test Conditions
T
A
= +25擄C, 5mA
鈮?/div>
I
O
鈮?/div>
1A
5mA
鈮?/div>
I
O
鈮?/div>
1A, 14.5V
鈮?/div>
V
IN
鈮?/div>
27V, P
鈮?/div>
15W
Min
11.5
11.4
Typ
12.0
12.0
Max
12.5
12.6
Unit
V
V
Note 2. All characteristics are measured with a 0.22碌F capacitor across the input and a 0.1碌F capac-
itor across the output. All characteristics except noise voltage and ripple rejection ratio are
measured using pulse tecniques (t
w
鈮?/div>
10ms, duty cycle
鈮?/div>
5%). Output voltage changes due
to changes in internal temperature must be taken into account separately.
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