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NTE1924 Integrated Circuit Positive 3 Terminal Voltage Regulator, 24V, 1.5A
Description: The NTE1924 is a monolithic voltage regulator integrated circuit in a TO3 type package designed for use in applications requiring a well regulated positive output voltage. Outstanding features include full power usage up to 1.5A of load current, internal current limiting, thermal shutdown, and safe area protection on the chip, providing protection of the series pass Darlington, under most operating conditions. A low noise, temperature stable band gap reference is the key design factor insuring excellent temperature regulation. This, coupled to a very low output impedance, insures superior performance and load regulation. Features: D Guaranteed Power Dissipation: 15W @ TC = +87.5C D Guaranteed Thermal Resistance, Junction-to-Case: 2.5C/W D Guaranteed Input-Output Differential: +2.4V D Low Noise, Band Gap Reference D Remote Sense Capability D Sample Power Cycled Burn-in Absolute Maximum Ratings: Input Voltage (Note 1), VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Power Dissipation (Note 2), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5C/W Lead Temperature (During Soldering, 60sec max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300C Note 1. Short circuit protection is only assured to VIN max. In case of short circuit with input-output voltages approaching VIN max, regulator may require the removal of the input voltage to restart. Note 2. For operation above TC = +87.5C, derate @ 400mW/C.
Electrical Characteristics: (TJ = +25C unless otherwise specified)
Parameter Output Voltage Input-Output Differential Line Regulation Load Regulation Quiescent Current Quiescent Current Line Quiescent Current Load Current Limit Temperature Coefficient Output Noise Voltage Ripple Attenuation Power Dissipation Symbol VO VIN-VO REGLINE IQ IQ (LINE) IQ (LOAD) ILIM TC VN RA PD Test Conditions VIN = 27V to 34V, IO = 10mA to 1.5A, Note 3 IO = 1.5A, TJ = 0 to +125C VIN = 27V to 39V, IO = 1.5A, Note 3 VIN = 27V, IO = 10mA VIN = 27V to 34V, IO = 10mA VIN = 27V, IO = 10mA to 1.5A VIN = 29V, Note 3 VIN = 27V, IO = 0.1A, TJ = 0 to +125C VIN = 27V, IO = 0.1A, TJ = 0 to +125C, Note 4 VIN = 29V, IO = 1A, TJ = 0 to +125C, Note 5 VIN - VOUT (2.4V to 10.0V), IO = 10mA to 1.5A, TJ = 0 to +125C Min 23.05 2.4 - - - - - - - - 60 - Typ 24.0 - - - - - - - - - - - Max 25.05 - 1.5 0.6 18 5 5 5.2 0.02 10 - 15 Unit V V % VO % VO mA mA mA A % VO/C Vrms/V dB W
REGLOAD VIN = 29V, IO = 10mA to 1.5A, Note 3
Note 3. Low duty cycle pulse testing with Kelvin connectors required. Die temperature changes must be accounted for separately. Note 4. BW = 10Hz to 100kHz. Note 5. Ripple attenuation is specified for a 1Vrms, 120Hz, input ripple. Ripple attenuation is minimum of 60dB at 5V output and is 1dB less for each volt increase in the output voltage. .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) .156 (3.96) Dia (2 Holes)
.430 (10.92)
.188 (4.8) R Max
VIN
.525 (13.35) R Max Common/Case

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