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NTE1678 Datasheet(PDF) 3 Page - NTE Electronics

Part No. NTE1678
Description  Integrated Circuit Switching Regulator for TV
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Maker  NTE [NTE Electronics]
Homepage  http://www.nteinc.com
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NTE1678 Datasheet(HTML) 3 Page - NTE Electronics

   
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Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
High Level of Oscillation
VOH
3.8
4.5
V
Starting VOH
VOH(s)
V8 = 3.0V
1.0
1.8
V
Thermal Drift of VOH
dVOH(TA) Difference of Min & Max of VOH
in TA from –20° to+75°C
100
mV
Synchronous Signal Voltage
VS
Oscillation is Synchronizing (15.75kHz)
–1.0
+0.3
V
Oscillation is Synchronizing (15.75kHz)
–200
–40
µA
VCC
1
2
3
4
Error Voltage Input
Duty Limit
ON/OFF Output
ON/OFF Input
5
Current Limit
6
Shutdown
7
Pulse Output
14
13
12
11
Reference Voltage Input
Error Amp Output
Comparator Input
OSC
10 Synchronization
9
GND
8
.100 (2.54)
.025
(0.65)
.099
(2.5)
.012
(0.30)
Pin Connection Diagram
.600 (15.24)
17
14
8
.300 (7.62)
.197
(5.0)
Max
.100 (2.45)
.099 (2.5) Min
.827 (21.0) Max


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