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NTE1914 3 Terminal Positive Voltage Regulator 12V, 1A
Description: The NTE1914 is a positive 3-terminal voltage regulator in a TO3 type package suitable for numerous applications requiring up to 1A. One of these is local on card regulation, eliminating the distribution problems associated with single point regulation. Other applications include; logic systems, instrumentation, HiFi, and other solid state lectronic equipment. Although designed primarily as a fixed voltage regulator, the NTE1914 can be used with external components to obtain adjustable voltages and currents. Features: D Output Current in Excess of 1A D Internal Thermal Overload Protection D No External Components Required D Output Transistor Safe Area Protection D Internal Short Circuit Current Limit Absolute Maximum Ratings: Input Voltage , VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited Maximum Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Operating Junction Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Temperature (During Soldering, 10 sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Note 1. Thermal resistance is typically +4C/W junction-to-case and +35C/W junction-to-ambient. Electrical Characteristics: (0 TJ +125C, VO = 12V, VIN = 19V, Note 2 unless otherwise specified)
Parameter Output Voltage Symbol VO Test Conditions TA = +25C, 5mA IO 1A 5mA IO 1A, 14.5V VIN 27V, P 15W Min 11.5 11.4 Typ 12.0 12.0 Max 12.5 12.6 Unit V V
Note 2. All characteristics are measured with a 0.22F capacitor across the input and a 0.1F capacitor across the output. All characteristics except noise voltage and ripple rejection ratio are measured using pulse tecniques (tw 10ms, duty cycle 5%). Output voltage changes due to changes in internal temperature must be taken into account separately.
Electrical Characteristics (Cont'd): (0 TJ +125C, VO = 12V, VIN = 19V, Note 2 unless otherwise specified)
Parameter Line Regulation Symbol Regline Test Conditions TJ = +25C 14.5V VIN 30V, IO = 500mA 14.6V VIN 27V, IO 1A 15V VIN 27V, IO = 500mA 16V VIN 22V, IO 1A Load Regulation Regload TJ = +25C 5mA IO 1.5A 250mA IO 750mA 5mA IO 1A Quiescent Current Quiescent Current Change IQ IQ TJ = +25C, IO 1A IO 1A 5mA IO 1A TA = +25C, IO 1A, 14.8V VIN 27V IO 500mA, 14.5V VIN 30V Output Noise Voltage Ripple Rejection Ratio Dropout Voltage Peak Output Current Average Temperature Coefficient of Output Voltage IOmax Vn RR TA = +25C, f = 10Hz to 100kHz TA = +25C, 15V VIN 25V, f = 120Hz, IO 1A 15V VIN 25V, f = 120Hz, IO 500mA TJ = +25C, IO = 1A TJ = +25C IO = 5mA Min - - - - - - - - - - - - - 55 55 - - - Typ 4 - - - 12 - - - - - - - 75 72 - 2.0 2.4 1.5 Max 120 120 120 60 120 60 120 8.0 8.5 0.5 1.0 0.5 - - - - - - Unit mV mV mV mV mV mV mV mA mA mA mA mA V dB dB V A mV/C
Note 2. All characteristics are measured with a 0.22F capacitor across the input and a 0.1F capacitor across the output. All characteristics except noise voltage and ripple rejection ratio are measured using pulse tecniques (tw 10ms, duty cycle 5%). Output voltage changes due to changes in internal temperature must be taken into account separately.
.135 (3.45) Max .350 (8.89) .875 (22.2) Dia Max Seating Plane
.312 (7.93) Min VOUT .215 (5.45)
.040 (1.02) 1.187 (30.16) .665 (16.9) .188 (4.8) R Max
.156 (3.96) Dia (2 Holes) .430 (10.92) VIN .525 (13.35) R Max Common/Case

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