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| NTE1737 Integrated Circuit Module, Chopper & Chopper Parallel w/2-Output Voltage Regulator Features: D 2 Outputs for Miicrocomputer Power Supply (5V) and Motor Drive Power Supply (24V) and Capable of Delivering 2 Regulated Voltage Outputs from 1 Rectifier D Independent Overcurrent Protectors for 2 Outputs (Foldback Characteristics) Applications: D Serial Printers, Line Printers, Office Automation Equipment D Floppy Disk Units, Portable VCRs Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum DC Input Voltage, VIN (DC) max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V Maximum Output Current, IOmax Average . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A Peak VO1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6A VO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0A Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +105C Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30 to +105C Thermal Resistance, Junction-to-Case, RthJC VO1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.7C/W VO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7C/W Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Parameter Output Voltage Ripple Voltage Line Regulation Load Regulation Overcurrent Trip Start Current Effeciency Operating Frequency Cutoff Voltage Temperature Coefficient Test Conditions Condition 1 Condition 1 Condition 2 Condition 3 Condition 4 Condition 5 Condition 1 Condition 1 Condition 1 VO1 5 0.1 5 15 70 3.6 80 35 - - -0.025 VO2 24 0.1 20 30 50 6.0 80 35 3V or more ON 1V or less OFF -0.01 %/C Unit V mVrms Max mV/V Max mV/V Max A Min % Typ kHz Typ Test Conditions: Condition 1: VIN (DC) = 35V, IO1 = IO2 = 1A Condition 2: VIN (DC) = 30V to 40V, IO1 = IO2 = 1A Condition 3: VIN (DC) = 35V, IO1 = 1A to 3.6A, IO2 = 1A to 6A Condition 4: VIN (DC) = 35V Condition 5: VIN (DC) = 35V, IO1 = IO2 = 1.5A Pin Connection Diagram (Front View) 18 N.C. 17 VIN 1 16 VIN 1 15 VIN 2 14 VIN 2 13 VZ 12 Sense GND 11 Output 2 10 Output 2 9 GND 8 GND 7 Output 1 6 Output 1 5 V1 Sense 1 4 V1 Sense 2 3 V2 Sense 1 2 V2 Sense 2 1 Cutoff 2.520 (64.0) 2.190 (55.6) .334 (8.5) 1.440 (36.4) .737 (18.7) 1 .141 (3.6) Dia (2 Holes) .100 (2.54) 1.700 (43.18) 18 1.030 (32.5) .158 (4.0) .114 (5.5) |
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