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| 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 +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5C/W Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Electrical Characteristics: (VI -VO = 5V, IO = 1.5A, Pmax = 30W, 0 TJ +125C unless otherwise specified) Parameter Line Regulation Load Regulation Symbol Regline Regload VO 5V VO 5V Test Conditions TA = +25C, 3V VI - VO 35V, Note 1 TA = +25C, 0mA IO 3A, Note 1 Min - - - Typ 0.005 5 0.1 Max 0.030 25 0.5 Unit %/V mV %VO 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 +125C unless otherwise specified) Parameter Thermal Regulation Adjustment Pin Current Adjustment Pin Current Change Reference Voltage Line Regulation Load Regulation Temperature Stability Minimum Load Current Maximum Output Current Limit Symbol Test Conditions Min - - 10mA IL 3A, 3V (VI - VO) 35V 10mA IO 3A, 3V (VI - VO) 35V, P 30W 3V (VI - VO) 35V, Note 1 VO 5V VO 5V TS ILmin Imax N RR 0 TJ +125C VI - VO = 35V VI - VO 10V VI - VO = 30V RMS Noise, % of VO Ripple Rejection Ratio TA = +25C, 10Hz f 10kHz VO = 10V, f = 120Hz CAdj = 10F Long Term Stability S TA = +125C 10mA IO 3A, Note 1 - 1.20 - - - - - 3.0 - - - 66 - Typ 0.002 50 0.2 1.25 0.02 20 0.3 1 3.5 4.5 1.0 0.003 65 86 0.3 Max - 100 5.0 1.30 0.07 70 1.5 - 10 - - - - - 1.0 Unit %VO/W A A V %/V mV %VO %VO mA A A %VO dB dB %/1.0k Regtherm TA = +25C, Pulse = 20ms IAdj IAdj Vref Regline Regload 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) VIN .215 (5.45) 1.187 (30.16) .665 (16.9) .156 (3.96) Dia (2 Holes) .430 (10.92) .188 (4.8) R Max Adjust .525 (13.35) R Max VOUT/Case |
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