Features: Suitable for the specification: FTZ, 1TR2 and ETR2 Rectifier bridge Z-diode Amplitude detection Detection of ringing signal i.e., sine-, triangle-, or rectangular (tone ringing) signal High-voltage bipolar technologyCompact surface mount package (SO8)PinoutSpecifications Parameters...
U4078B: Features: Suitable for the specification: FTZ, 1TR2 and ETR2 Rectifier bridge Z-diode Amplitude detection Detection of ringing signal i.e., sine-, triangle-, or rectangular (tone ringing) signal Hi...
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Parameters |
Symbol |
Value |
Unit |
Supply current Pin 1, 8 |
Is |
50 |
mA |
Ambient temperature range |
Tamb |
10 to + 60 |
°C |
Storage temperature range |
Tstg |
40 to + 125 |
°C |
Power dissipation Tamb = 60°C |
Ptot |
360 |
mW |
Junction temperature |
Tj |
125 |
°C |
The tone ringer interface with dc/dc converter U4078B is an integrated circuit realized in bipolar technology, which allows high efficient power transfer. Galvanic separation takes place at Pin 5 either with inductive or opto-coupler mode.