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參數(shù)資料
| 型號： | NTE1925 |
| 廠商： | NTE Electronics, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3 Terminal Negative Voltage Regulator -18V, 1.5A |
| 中文描述： | 3端負電壓穩(wěn)壓器- 18V的，1.5A的 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 25K |
| 代理商： | NTE1925 |
NTE1925
3 Terminal Negative Voltage Regulator
–18V, 1.5A
Description:
The NTE1925 is a negative 3–terminal voltage regulator in a TO3 type package suitable for numerous
applications including local, on–card regulation requiring up to 1.5A. This device features thermal
shutdown and current limiting making the NTE1925 remarkably rugged.
Although designed primarily as a fixed voltage regulator, this device can be used with external compo-
nents to obtain adjustable voltages and currents.
Features:
Internal Thermal Overload Protection
Output Transistor Safe Area Protection
Internal Short Circuit Current Limit
No External Components Required
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Input Voltage, V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internal Power Dissipation (T
A
= +25
°
C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internal Power Dissipation (T
C
= +25
°
C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, R
thJC
Thermal Resistance, Junction–to–Ambient, R
thJA
Electrical Characteristics:
(0
°
≤
T
J
≤
+125
°
C, V
IN
= –33V, I
O
= 0.5Aunless otherwise specified)
Parameter
Symbol
Test Conditions
–40V
Internally Limited
22.2mW/
°
C
Internally Limited
182mW/
°
C
0
°
to +150
°
C
–65
°
to +150
°
C
5.5
°
C/W
45
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Min
Typ
Max
Unit
Output Voltage
V
O
T
J
= +25
°
C
5mA
≤
I
O
≤
1A, –38V
≤
V
IN
≤
–27V, P
O
≤
15W
T
J
= +25
°
C, –38V
≤
V
IN
≤
–27V, Note 1
T
J
= +25
°
C, –36V
≤
V
IN
≤
–30V, Note 1
T
J
= +25
°
C, 5mA
≤
I
O
≤
1.5A, Note 1
T
J
= +25
°
C, 250mA
≤
I
O
≤
750mA, Note 1
–23
–24
–25
V
–22.8
–24.0
–25.2
V
Line Regulation
Reg
line
–
118
480
mV
–
70
240
mV
Load Regulation
Reg
load
–
150
480
mV
–
85
240
mV
Note 1. Load and line regulation are specified at constant junction temperature. Change in V
O
due
to heating effects must be taken into account separately. Pulse testing with low duty cycle is
used.
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