LR745 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
LR745 Datasheet PDF : 5 Pages
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16.0
VOUT 13.5
(Volts) 12.0
8.0
4.0
0.0
3.0
IIN
(mA)
2.0
1.0
0.0
12.0
VAUX 8.0
(Volts)
4.0
0.0
30.0
20.0
IAUX
(mA)
10.0
0.0
Figure 2
LR7 Start-up Waveforms
Stage
I
Stage
II
Stage
III
PWM IC Start Threshold Voltage
LR7 VOFF Trip Point
Auxiliary Supply Powers PMW IC
LR745
t
IIN ≈ 0mA
t
VAUX = 12V
t
IAUX = 20mA
t
4
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