Description: NTE1925 negative 3-terminal voltage regulator type packag
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NTE1925 Terminal Negative Voltage Regulator -18V, 1.5A
Description: NTE1925 negative 3-terminal voltage regulator type package suitable numerous applications including local, on-card regulation requiring 1.5A. This device features thermal shutdown current limiting making NTE1925 remarkably rugged. Although designed primarily fixed voltage regulator, this device used with external components obtain adjustable voltages currents. Features: Internal Thermal Overload Protection Output Transistor Safe Area Protection Internal Short Circuit Current Limit External Components Required Absolute Maximum Ratings: +25°C unless otherwise specified) Input Voltage, -40V Internal Power Dissipation +25°C), Internally Limited Derate Above 25°C 22.2mW/°C Internal Power Dissipation +25°C), Internally Limited Derate Above 25°C 182mW/°C Operating Junction Temperature Range, +150°C Storage Temperature Range, Tstg -65° +150°C Thermal Resistance, Junction-to-Case, RthJC 5.5°C/W Thermal Resistance, Junction-to-Ambient, RthJA 45°C/W Electrical Characteristics: +125°C, -33V, 0.5Aunless otherwise specified)
Parameter Output Voltage Symbol Regline Regload +25°C -38V -27V, Line Regulation +25°C, -38V -27V, Note +25°C, -36V -30V, Note Load Regulation +25°C, 1.5A, Note +25°C, 250mA 750mA, Note Test Conditions -22.8 -24.0 -25.2 Unit
Note Load line regulation specified constant junction temperature. Change heating effects must taken into account separately. Pulse testing with duty cycle used.
Electrical Characteristics (Cont'd): +125°C, -27V, 0.5Aunless otherwise specified)
Parameter Input Bias Current Input Bias Current Change Output Noise Voltage Ripple Rejection Ratio Dropout Voltage Peak Output Current Average Temperature Coefficient Output Voltage IOmax Symbol +25°C -38V -27V 1.5A +25°C, 10Hz 100kHz 20mA, 120Hz +25°C, +25°C Test Conditions -1.0 Unit mV/°C
Note Load line regulation specified constant junction temperature. Change heating effects must taken into account separately. Pulse testing with duty cycle used.
.135 (3.45) .350 (8.89) .875 (22.2) Seating Plane
.312 (7.93)
.040 (1.02)
VOUT .215 (5.45)
1.187 (30.16) .665 (16.9) .156 (3.96) Holes)
.430 (10.92)
.188 (4.8)
.525 (13.35) VIN/Case
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