NTE970 [NTE]
Linear Integrated Circuit 3-Terminal Adjustable Positive Voltage Regulator 1.2V to 33V, 3A; 线性集成电路三端可调正电压稳压1.2V至33V ， 3A
| 型号： | NTE970 |
| 厂家： | 
NTE ELECTRONICS |
| 描述： | Linear Integrated Circuit 3-Terminal Adjustable Positive Voltage Regulator 1.2V to 33V, 3A |
| 文件： | 总2页 (文件大小：28K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NTE970
Linear Integrated Circuit
3–Terminal Adjustable Positive Voltage Regulator
1.2V to 33V, 3A
Description:
The NTE970 is an adjustable 3–terminal positive voltage regulator in a TO3 type package capable
of supplying in excess of 3 Amps over a 1.2V to 33V output range.
Features:
D Adjustable Output Down to 1.2V
D Guaranteed 3A Output Current
D Line Regulation Typically 0.005%/V
D Load Regulation Typically 0.1%
D Thermal Regulation
D Current Limit Constant with Temperature
Absolute Maximum Ratings:
Input–Output Voltage Differential, VI–VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5°C/W
Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
Electrical Characteristics: (VI –VO = 5V, IO = 1.5A, Pmax = 30W, 0° ≤ TJ ≤ +125°C unless
otherwise specified)
Parameter
Line Regulation
Load Regulation
Symbol
Test Conditions
T = +25°C, 3V ≤ V – V ≤ 35V, Note 1
Min
–
Typ
Max
Unit
%/V
mV
Reg
Reg
0.005 0.030
line
A
I
O
V
O
O
≤ 5V
≥ 5V
–
5
25
T = +25°C, 0mA ≤ I ≤ 3A,
load
A
O
Note 1
V
–
0.1
0.5
%V
O
Note 1. Regulation is measured at constant junction temperature. Change in output voltage due to
heating effects must be taken into account separately. Pulse testing with low duty cycle is
used.
Electrical Characteristics (Cont’d): (VI –VO = 5V, IO = 1.5A, Pmax = 30W, 0° ≤ TJ ≤ +125°C
unless otherwise specified)
Parameter
Thermal Regulation
Symbol
Test Conditions
T = +25°C, Pulse = 20ms
Min
–
Typ
0.002
50
Max
–
Unit
Reg
%V /W
therm
A
O
Adjustment Pin Current
Adjustment Pin Current Change
Reference Voltage
I
–
100
5.0
1.30
µA
µA
V
Adj
∆I
Adj
10mA ≤ I ≤ 3A, 3V ≤ (V – V ) ≤ 35V
–
0.2
L
I
O
V
ref
10mA ≤ I ≤ 3A, 3V ≤ (V – V ) ≤ 35V,
1.20
1.25
O
I
O
P ≤ 30W
Line Regulation
Load Regulation
Reg
Reg
3V ≤ (V – V ) ≤ 35V, Note 1
–
–
0.02
20
0.07
70
1.5
–
%/V
mV
line
I
O
V
≤ 5V
10mA ≤ I ≤ 3A, Note 1
O
O
load
O
V
≥ 5V
–
0.3
1
%V
%V
O
O
Temperature Stability
T
0° ≤ T ≤ +125°C
–
S
J
Minimum Load Current
Maximum Output Current Limit
I
V – V = 35V
–
3.5
4.5
1.0
0.003
65
10
–
mA
A
Lmin
I
O
I
V – V ≤ 10V
3.0
–
max
I
O
V – V = 30V
–
A
I
O
RMS Noise, % of V
N
T = +25°C, 10Hz ≤ f ≤ 10kHz
A
–
–
%V
O
O
Ripple Rejection Ratio
RR
V = 10V, f = 120Hz
O
–
–
dB
dB
C
Adj
= 10µF
66
–
86
–
Long Term Stability
S
T
A
= +125°C
0.3
1.0
%/1.0k
Note 1. Regulation is measured at constant junction temperature. Change in output voltage due to
heating effects must be taken into account separately. Pulse testing with low duty cycle is
used.
.135 (3.45) Max
.350 (8.89)
.875 (22.2)
Dia Max
Seating
Plane
.312 (7.93) Min
.040 (1.02)
1.187 (30.16)
V
IN
.665
(16.9)
.215 (5.45)
.156 (3.96) Dia
(2 Holes)
.430
(10.92)
.188 (4.8) R Max
.525 (13.35) R Max
/Case
V
OUT
Adjust
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