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Intelligent Power Switch

Quantity $ per Unit Savings
1 - 9$5.310%
10 - 24$4.7710%
25 - 99$4.5215%
100 - 144$3.9126%
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Parameter NameParameter Value
Operating RangeIndustrial
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NameVFDFPN 8 4x4x1.0

The TDE1708DFT is an Integrated Power Switch with up to 48V Power supply capability. Two output configurations are possible:

Load to Gnd. (High Side Mode)

Load to VS (Low side Mode)

Especially dedicated to proximity detectors, its internal +5V supply can be used to supply external circuits (See also AN495).

A signal is internally generated to block the In signal, and prevent activation of the output switch, as long as an abnormal condition is detected. The power-on transition, as well as the chip over temperature and the output overcurrent, concur to the generation of such signal. A minimum delay of 25ms (Typ.value) is added to the trailing edge of such signal to ensure that a stable normal situation is present when the signal disappears. The delay (of the disappearance of the block signal; no delay at its on set) can be further increased connecting a capacitor between pin3 and ground. It can drive resistive or inductive loads.

Key features
  • +5V regulated aux. voltage
  • Indicator status led driver
  • High burst immunity
  • GND and VS open wire protection
  • Thermal shutdown
  • Low side or high side switch configuration
  • Overload and short circuit protections
  • 6V to 48V supply voltage range
  • Supply and output reversal protection
  • Adjustable delay at switch on
  • Internal voltage clamping