NTE NTE1867 Integrated circuit hybrid switching voltage regulator Datasheet

NTE1867 & NTE1868
Integrated Circuit
Hybrid Switching Voltage Regulator
Features:
D Few External Components Needed
D Conversion Efficiency: 85%
D Accurate Voltage Setting: ±2%
D Low Switching Noise
D Output Voltage Adjustable
Applications:
D Power Supply Circuits for Electrionic Typewriter, Printer, and Copy Machines
D Power Supply for VCR, Personal Wireless Station, and Battery Charger
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
DC Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V
DC Input Current, IO
Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Pulsed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A
Power Dissipation, PD
TC = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75W
TC = +100°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +100°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +100°C
Electrical Characteristics: (TA = +25°C unles otherwise specified)
Parameter
DC Input Voltage Range
NTE1867
Symbol
VIN
Test Conditions
IO = 1A
NTE1868
Output Voltage Setting
NTE1867
VO
VIN = 24V, IO = 1A
NTE1868
Min
Typ
Max
Unit
18
–
–
V
19
–
–
V
11.8
12.0
12.2
V
12.8
13.0
13.2
V
Line Regulation
∆VLINE VIN = 20V to 28V, IO = 1A
–
–
60
mV
Load Regulation
∆VLOAD VIN = 24V, IO = 0.5A to 1.5A
–
–
100
mV
η
VIN = 24V, IO = 1A
–
85
–
%
Ripple Rejection
RREJ
f = 100Hz to 200Hz
–
45
–
dB
Oscillating Frequency
fOSC
VIN = 24V, IO = 1A
–
25
–
kHz
Efficiency
Pin Connection Diagram
(Front View)
5 Input
4 Voltage Sensing
3 GND
2 Voltage Adjustment
1 Output/Case
.236 (6.0)
Max
1.410 (36.0)
.960 (24.4)
.834
(21.2)
1
2
3
4
5
.177
(4.5)
.708
(18.0)
.214 (5.45)
.039 (1.0)
.023 (0.6)
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