NTE934
Integrated Circuit
Positive 3 Terminal Voltage Regulator
13.8V
5%, 5A
Description:
The NTE934 positive 3 terminal voltage regulator is a monolithic integrated circuit in a TO3 type pack-
age designed for use in applcations requiring a well regulated positive output voltage. Outstanding
features include full power usage up to 5A of load current, internal current limiting, thermal shutdown,
and safe area protection on the chip, providing protection of the series pass Darlington, under most
operating conditions. A hermetically sealed steel TO3 package is utilized for high reliability and low
thermal resistance. A lownoise temperature stable bandgap reference is the key design factor in-
suring excellent temperature regulation. This coupled to a very low output impedance insures superi-
or load regulation.
Features:
D
Guaranteed Power Dissipation: 30W @ T
C
= +57.5
C
D
Guaranteed InputOutput Differential: +2.5V
D
Low Noise, Band Gap Reference
D
Remote Sense Capability
D
Sample Power Cycled BurnIn
D
Guaranteed Thermal Resistance, JunctiontoCase: 2.25
C/W
Absolute Maximum Ratings:
Input Voltage (Note 1), V
IN
35V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
Internally Limited
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above T
C
= +57.5
C
444mW/
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
J
55
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
65
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, JunctiontoCase, R
thJC
2.25
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (During Soldering, 60sec Max), T
L
+300
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Short circuit protection is only assured to V
IN
max. In case of short circuit, with inputoutput
voltages approaching V
IN
max, regulator may require the removal of the input voltage to restart.
Electrical Characteristics: (T
J
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Output Voltage
V
O
V
IN
= 16.8V to 23.8V, I
O
= 10mA to 5A, Note 2
13.11 13.8 14.49
V
InputOutput Differential
V
IN
V
O
I
O
= 5A, T
J
= 0
to +125
C
2.5
V
Line Regulation
REG
(LINE)
V
IN
= 16.8V to 28.8V, I
O
= 2A, Note 2
1.0
%V
O
Load Regulation
REG
(LOAD)
V
IN
= 18.8V, I
O
= 10mA to 5A, Note 2
0.6
%V
O
Quiescent Current
I
Q
V
IN
= 16.8V, I
O
= 10mA
20
mA
Quiescent Current Line
I
Q(LINE)
V
IN
= 16.8V to 23.8V, I
O
= 10mA
5
mA
Quiescent Current Load
I
Q(LOAD)
V
IN
= 16.8V, I
O
= 10mA to 5A
5
mA
Current Limit
I
LIM
V
IN
= 18.8V, Note 2
6.5
A
Temperature Coefficient
T
C
V
IN
= 16.8V, I
O
= 0.1A, T
J
= 0
to +125
C
0.02
%V
O
/
C
Output Noise Voltage
V
N
V
IN
= 16.8V, I
O
= 0.1A, T
J
= 0
to +125
C, Note 3
10
V
rms
/V
Ripple Attenuation
R
A
V
IN
= 18.8V, I
O
= 2A, T
J
= 0
to +125
C, Note 4
60
dB
Power Dissipation
P
D
V
IN
V
OUT
= 2.5V to 10.0V, I
O
= 10mA to 5A,
T
J
= 0
to +125
C
30
W
Note 2. Low duty cycle pulse testing with Kelvin connections required. Die temperature changes
must be accounted for separately.
Note 3. BW = 10Hz to 100kHz.
Note 4. Ripple attenuation is specified for a 1V
rms
, 120Hz, input ripple. Ripple attenuation is mini-
mum of 60dB at 5V output and is 1dB less for each volt increase in the output voltage.
Note 5. V
O
= V
C
(1 + R1/R2)
R1 = Resistance from output to control
R2 = Resistance from control to common
1.187 (30.16)
.875 (22.2)
Dia Max
.665
(16.9)
.430
(10.92)
Seating
Plane
.040 (1.02)
.312 (7.93) Min
.135 (3.45) Max
.350 (8.89)
Output
GND/Case
Input
.215 (5.45)
.525 (13.35) R Max
.156 (3.96) Dia
(2 Holes)
.188 (4.8) R Max
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