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| NTE935 Integrated Circuit 3-Terminal Adjustable Positive Voltage Regulator 1.2V to 32V, 5A Description: The NTE935 is an adjustable 3-terminal positive voltage regulator in a TO3 type package capable of supplying in excess of 5A over a 1.2V to 32V output range. This device is exceptionally easy to use. A unique feature of the NTE935 is its time dependent current limiting. The current limit circuitry allows peak currents of up to 12A to be drawn from the regulator for short periods of time. Also included on the chip are thermal overload protection and safe area protection for the power transistor. Overload protection remains functional even if the adjustment pin is accidently disconnected. Normally, no capacitors are needed unless the device is situated far from the input filter capacitors in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejections ratios which are difficult to achieve with standard 3-terminal regulators. Features: D Guaranteed 7A Peak Output Current D Guaranteed 5A Output Current D Adjustable Output Down to 1.2V D Line Regulation Typically 0.005%/V D Load Regulation Typically 0.1% D Guaranteed Thermal Regulation D Output is Short Circuit Protected D Current Limit Constant with Temperature D Standard 3-Lead Transistor Package. Absolute Maximum Ratings: Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally limited Input-Output Voltage Differential, VI-O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +125C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Lead Temperature (During Soldering, 10 seconds), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0C/W Thermal Resistance, Junction-to-Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35C/W Electrical Characteristics: (+25C TJ +150C, VIN -VOUT = 5V and IOUT = 2.5A, Note 1 unless otherwise specified) Parameter Line Regulation Load Regulation Thermal Regulation Adjustment Pin Current Adjustment Pin Current Change Reference Voltage Temperature Stability Minimum Load Current Current Limit 10mA IL 5A, 3V (VIN - VOUT) 35V 3 (VIN - VOUT) 35V, 10mA IOUT 5A, P 50W, Note 3 TMIN TJ TMAX (VIN -VOUT) = 35V (VIN - VOUT) 10V (VIN - VOUT) 30V RMS Output Noise, % of VOUT TJ = +25C, 10Hz f 10kHz Ripple Rejection Ratio Long Term Stability VOUT= 10V, f = 120Hz CADJ = 10F TJ = +125C Test Conditions 3V (VIN -VOUT) 35V, IL = 0.01A, Note 2 3V (VIN -VOUT) 35V, IL = 0.01A, TA = +25C, Note 2 10mA IOUT 5A, Note 2 10mA IOUT 5A, TA = +25C, Note 2 Pulse = 20ms, TJ = +25C Min - - - - - - - 1.19 - - 5.0 - - - 60 - Typ 0.02 0.005 0.3 0.1 0.002 45 0.2 1.24 1 3.5 8.0 1.0 0.003 60 75 0.3 Max Unit 0.06 0.03 1.0 0.5 100 5.0 1.29 - 10 - - - - - 1.0 %/V %/V % % A A V % mA A A % dB dB % 0.02 %/W Note 1. Power dissipation is internally limited, these specifications are applicable for power dissipations up to 50W. Note 2. Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects are taken into account separately by thermal regulation. Note 3. Selected devices with tightened tolerance reference voltage. .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 |
Price & Availability of NTE935
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