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NTE7078 Datasheet(PDF) 1 Page - NTE Electronics

Part No. NTE7078
Description  Integrated Circuit Hybrid Switching Voltage Regulator
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE7078 Datasheet(HTML) 1 Page - NTE Electronics

   
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NTE7078
Integrated Circuit
Hybrid Switching Voltage Regulator
Absolute Maximum Ratings:
Maximum Peak Input Voltage, VIN
850V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Current, IIN
Continuous
6A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pulse
12A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (TC = +100°C), PD
27W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Transistor Junction Temperature, TJ
+150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range (Case Temperature, Note 1), Topr
–20
° to +125°C
. . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–30
° to +125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Recommended Operating Temperature: Topr = +100°C
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Output Voltage
VO
VIN = 220V, IO = 700mA, Note 2
113.5
115.0
116.5
V
Sensing Voltage (Fixed Voltage)
VO
IIN = 7mA
41.3
41.8
42.3
V
Line Regulation
RegLINE VIN = 180V to 280V, IO = 700mA
Initial Value
±1V
V
Load Regulation
RegLOAD VIN = 220V, IO = 400mA to 700mA
Initial Value
±2V
V
Output Voltage Temperature
Coefficient
Kt
TC = –20° to +100°C, IIN = 7mA
±2
mV/
°C
Saturation Voltage
VCE(sat) IC = 2A, IB = 400mA
0.4
V
VBE(sat) IC = 2A, IB = 400mA
1.5
V
DC Current Gain
hFE
IC = 1A, VCE = –4V
15
38
Collector Cutoff Current
ICEX
VCE = 850V, VBE = –1.5V
1
mA
Power Transistor Thermal
Resistance
RΘJC
Between Junction and Case
1.8
°C/W
Switching Time
ts
IC = 2A, IB1 = 400mA, IB2 = –400mA,
11.0
µs
tf
RL = 100Ω
0.5
µs
Note 2. Output voltage is determined by the ratio between the sensing winding “D” and the secondary
winding “S”.


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