NTE NTE1867, NTE1868 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:
DC Input Voltage, V
DC Input Current, I
IN
O
(TA = +25°C unless otherwise specified)
Continuous 2A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pulsed 3A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
TC = +25°C 75W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
= +100°C 15W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C
Operating Temperature Range, T
Storage Temperature Range, T
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
DC Input Voltage Range
NTE1867
NTE1868 19 – – V
Output Voltage Setting
NTE1867
NTE1868 12.8 13.0 13.2 V
Line Regulation ∆V
Load Regulation ∆V
Efficiency η VIN = 24V, IO = 1A – 85 – %
opr
stg
(TA = +25°C unles otherwise specified)
V
IN
IO = 1A 18 – – V
V
O
VIN = 24V, IO = 1A 11.8 12.0 12.2 V
LINEVIN
LOADVIN
= 20V to 28V, IO = 1A – – 60 mV
= 24V, IO = 0.5A to 1.5A – – 100 mV
–20° to +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ripple Rejection R
Oscillating Frequency f
REJ
OSC
f = 100Hz to 200Hz – 45 – dB
VIN = 24V, IO = 1A – 25 – kHz
Pin Connection Diagram
(Front View)
5
4
3
2
1
Input
Voltage Sensing
GND
V oltage Adjustment
Output/Case
1.410 (36.0)
.960 (24.4)
12345
.236 (6.0)
Max
.834
(21.2)
.177
(4.5)
.214 (5.45)
.039 (1.0)
.708
(18.0)
.023 (0.6)
Loading...