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PDF NTE1925 Data sheet ( Hoja de datos )
| Número de pieza | NTE1925 | |
| Descripción | 3 Terminal Negative Voltage Regulator -18V / 1.5A | |
| Fabricantes | NTE | |
| Logotipo |  |
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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:
D Internal Thermal Overload Protection
D Output Transistor Safe Area Protection
D Internal Short Circuit Current Limit
D No External Components Required
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40V
Internal Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.2mW/°C
Internal Power Dissipation (TC = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182mW/°C
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5°C/W
Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45°C/W
Electrical Characteristics: (0° ≤ TJ ≤ +125°C, VIN = –33V, IO = 0.5Aunless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Output Voltage
Line Regulation
Load Regulation
VO
Regline
Regload
TJ = +25°C
5mA ≤ IO ≤ 1A, –38V ≤ VIN ≤ –27V, PO ≤ 15W
TJ = +25°C, –38V ≤ VIN ≤ –27V, Note 1
TJ = +25°C, –36V ≤ VIN ≤ –30V, Note 1
TJ = +25°C, 5mA ≤ IO ≤ 1.5A, Note 1
TJ = +25°C, 250mA ≤ IO ≤ 750mA, Note 1
–23 –24 –25
–22.8 –24.0 –25.2
– 118 480
– 70 240
– 150 480
– 85 240
V
V
mV
mV
mV
mV
Note 1. Load and line regulation are specified at constant junction temperature. Change in VO due
to heating effects must be taken into account separately. Pulse testing with low duty cycle is
used.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet NTE1925.PDF ] | |
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