NTE972 [NTE]
Integrated Circuit 3-Terminal Positive Voltage Regulator, 24V; 集成电路3端子正电压稳压器， 24V
| 型号： | NTE972 |
| 厂家： | 
NTE ELECTRONICS |
| 描述： | Integrated Circuit 3-Terminal Positive Voltage Regulator, 24V |
| 文件： | 总2页 (文件大小：27K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NTE972
Integrated Circuit
3–Terminal 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 1.0 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: (TA = +25°C unless otherwise specified)
Input Voltage, Vin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Vdc
Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Derate above +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.4mW/°C
Power Dissipation (TC = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Derate above +75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW/°C
Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C/W
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5°C/W
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Storage Junction Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics: (Vin = 33V, IO = 500mA, TJ = 0° to +125°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Output Voltage
V
O
T = +25°C
J
23
24
25
V
5mA ≤ I ≤ 1A, P ≤ 15W, 27V ≤ V ≤ 38V 22.8 24.0 25.2
V
O
O
in
Line Regulation
Load Regulation
Reg
T = +25°C, Note 1 27V ≤ V ≤ 38V
–
–
–
–
31 480
14 240
60 480
25 240
mV
mV
mV
mV
line
J
in
30V ≤ V ≤ 36V
in
Reg
T = +25°C, Note 1 5mA ≤ I ≤ 1.5A
J O
load
250mA ≤ I ≤ 750mA
O
Note 1. Load and line regulation are specified at constant junction temperature. Changes in VO due
to heating effects must be taken into account separately. Pulse testing with low duty cycle
is used.
Electrical Characteristics (Cont’d): (Vin = 33V, IO = 500mA, TJ = 0° to +125°C unless otherwise
specified)
Parameter
Quiescent Current
Symbol
Test Conditions
Min Typ Max Unit
I
B
T = +25°C
–
–
–
–
–
–
–
–
–
–
4.6 8.0
mA
mA
mA
dB
V
J
Quiescent Current Change
∆I
B
27V ≤ V ≤ 38V
–
–
1.0
0.5
–
in
5mA ≤ I ≤ 1A
O
Ripple Rejection
RR
V – V
28V ≤ V ≤ 38V, f = 120Hz
54
2
in
Dropout Voltage
T = +25°C, I = 1A
–
in
O
J
O
Output Noise Voltage
Output Resistance
Short–Circuit Current Limit
Peak Output Current
V
T = +25°C, 10Hz ≤ f ≤ 100kHz
10
20
0.2
2.2
–1.5
–
µV/V
O
n
O
A
r
f = 1kHz
–
mΩ
A
I
sc
T = +25°C, V = 35V
–
A
in
I
T = +25°C
J
–
A
max
Average Temperature Coefficient
of Output Voltage
TCV
–
mV/°C
O
.420 (10.67)
Max
.110 (2.79)
GND
.147 (3.75)
Dia Max
.500
(12.7)
Max
.250 (6.35)
Max
.500
(12.7)
Min
.070 (1.78)
Max
V
IN
V
OUT
.100 (2.54)
GND
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