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TDE1707BFPT Datasheet

Part NameTDE1707BFPT ST-Microelectronics
STMicroelectronics ST-Microelectronics
DescriptionINTELLIGENT POWER SWITCH
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DESCRIPTION
The TDE1707BFP is a 0.5A 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 AN495/0692). 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 overtemperature and the output overcurrent, concurr to the generation of such signal. A minimum delay of 25µs (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 disapperance 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.

■ 0.5A OUTPUT CURRENT
■ LOW SIDE OR HIGH SIDE SWITCH CONFIGURATION
■ 6V TO 48V SUPPLY VOLTAGE RANGE
■ OVERLOAD AND SHORT CIRCUIT PROTECTIONS
■ INTERNAL VOLTAGE CLAMPING
■ SUPPLY AND OUTPUT REVERSAL PROTECTION
■ THERMAL SHUTDOWN
■ GND AND VS OPEN WIRE PROTECTION
■ ADJUSTABLE DELAY AT SWITCH ON
■ INDICATOR STATUS LED DRIVER
■ +5V REGULATED AUX. VOLTAGE
■ HIGH BURST IMMUNITY

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