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NTE1737 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Module, Chopper & Chopper Parallel w/2-Output Voltage Regulator
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 = +25°C 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +105°C
Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +105°C
Thermal Resistance, Junction–to–Case, RthJC
VO1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.7°C/W
VO2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7°C/W
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Parameter
Output Voltage
Test Conditions
VO1
VO2
Unit
Condition 1
5 ±0.1
24 ±0.1
V
Ripple Voltage
Line Regulation
Condition 1
Condition 2
5
20
mVrms Max
15
30
mV/V Max
Load Regulation
Condition 3
70
50
mV/V Max
Overcurrent Trip Start Current
Condition 4
3.6
6.0
A Min
Effeciency
Condition 5
80
80
% Typ
Operating Frequency
Condition 1
35
35
kHz Typ
Cutoff Voltage
Condition 1
– 3V or more ON
– 1V or less OFF
Temperature Coefficient
Condition 1
–0.025
–0.01
%/°C