NTE972 NTE Electronics, Inc., NTE972 Datasheet
NTE972
Manufacturer Part Number
NTE972
Description
Voltage Regulator; 31 mV (Typ.); 60 mV (Typ.); 54 dB (Typ.); -55 degC; 150 deg
Manufacturer
NTE Electronics, Inc.
Type
Voltage Regulatorr
Datasheet
1.NTE972.pdf
(2 pages)
Specifications of NTE972
Current, Output
1 A
Load Regulation
60 mV (Typ.)
Package Type
TO-220
Power Dissipation
15.4 mW⁄°C
Regulation, Line
31 mV
Regulation, Load
60 mV
Regulator Type
Positive Voltage Out
Resistance, Thermal, Junction To Case
5 °C/W
Ripple, Rejection
54 dB (Typ.)
Temperature, Operating, Maximum
150 °C
Temperature, Operating, Minimum
-55 °C
Temperature, Operating, Range
-55 to +150 °C
Voltage, Dropout
2 V
Voltage, Input
40 VDC
Voltage, Noise
10 μV/V
Voltage, Output
24 V
Lead Free Status / Rohs Status
RoHS Compliant part
The NTE972 fixed–voltage regulator is a monolithic integrated circuit in a TO220 type package de-
signed for use in a wide variety of applications including local, on–card regulation. This regulator em-
ploys internal current limiting, thermal shutdown, and safe–area compensation. With adequate heat-
sinking it can deliver output currents in excess of 1.0 ampere. Although designed primarily as a fixed
voltage regulator, this device can be used with external components to obtain adjustable voltages and
currents.
Features:
D Output Current in Excess of 1.0 Ampere
D No External Components Reguired
D Internal Thermal Overload Protection
D Internal Short–Circuit Current Limiting
D Output Transistor Safe–Area Compensation
Absolute Maximum Ratings: (T
Input Voltage, V
Power Dissipation (T
Power Dissipation (T
Thermal Resistance, Junction–to–Ambient, R
Thermal Resistance, Junction–to–Case, R
Operating Junction Temperature Range, T
Storage Junction Temperature Range, T
Electrical Characteristics: (V
Note 1. Load and line regulation are specified at constant junction temperature. Changes in V
Output Voltage
Line Regulation
Load Regulation
Derate above +25 C
Derate above +75 C
to heating effects must be taken into account separately. Pulse testing with low duty cycle
is used.
Parameter
in
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3–Terminal Positive Voltage Regulator, 24V
A
C
= +25 C), P
= +25 C), P
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbol
Reg
Reg
in
V
O
load
line
= 33V, I
A
D
D
= +25 C unless otherwise specified)
Integrated Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
5mA
T
T
J
J
J
stg
= +25 C
= +25 C, Note 1
= +25 C, Note 1
O
J
thJC
= 500mA, T
NTE972
I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
thJA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1A, P
Test Conditions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
J
15W, 27V
= 0 to +125 C unless otherwise specified)
27V
30V
5mA
250mA
V
V
I
O
in
in
I
O
V
1.5A
38V
36V
in
750mA
38V
22.8 24.0 25.2
Min
23
–
–
–
–
Typ
Internally Limited
Internally Limited
24
31
14
60
25
–55 to +150 C
–65 to +150 C
Max
480
240
480
240
15.4mW/ C
25
65 C/W
mW/ C
5 C/W
40Vdc
Unit
O
mV
mV
mV
mV
V
V
due
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NTE972 Summary of contents
Page 1
... Positive Voltage Regulator, 24V The NTE972 fixed–voltage regulator is a monolithic integrated circuit in a TO220 type package de- signed for use in a wide variety of applications including local, on–card regulation. This regulator em- ploys internal current limiting, thermal shutdown, and safe–area compensation. With adequate heat- sinking it can deliver output currents in excess of 1 ...
Page 2
Electrical Characteristics (Cont’d): (V Parameter Quiescent Current Quiescent Current Change Ripple Rejection Dropout Voltage Output Noise Voltage Output Resistance Short–Circuit Current Limit Peak Output Current Average Temperature Coefficient of Output Voltage .147 (3.75) Dia Max = 33V 500mA, ...