Voltage Regulator. NTE1737 Datasheet

NTE1737 Regulator. Datasheet pdf. Equivalent

Part NTE1737
Description Integrated Circuit Module / Chopper & Chopper Parallel w/2-Output Voltage Regulator
Feature NTE1737 Integrated Circuit Module, Chopper & Chopper Parallel w/2–Output Voltage Regulator Features:.
Manufacture NTE
Datasheet
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NTE1737
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
Condition 1
VO1
5 ±0.1
VO2
24 ±0.1
Unit
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



NTE1737
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)
.141
(3.6)
Dia
(2 Holes)
1
.100 (2.54)
1.700 (43.18)
1.440
(36.4)
.737
(18.7) 1.030
18 (32.5)
.158 (4.0)
.114 (5.5)







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