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TDE1707BFP fiches techniques PDF

ST Microelectronics - INTELLIGENT POWER SWITCH

Numéro de référence TDE1707BFP
Description INTELLIGENT POWER SWITCH
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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TDE1707BFP fiche technique
® TDE1707BFP
INTELLIGENT POWER SWITCH
PRODUCT PREVIEW
0.5A OUTPUT CURRENT
LOW SIDE OR HIGH SIDE SWITCH CON-
FIGURATION
6V TO 48V SUPPLY VOLTAGE RANGE
OVERLOAD AND SHORT CIRCUIT PROTEC-
TIONS
INTERNAL VOLTAGE CLAMPING
SUPPLY AND OUTPUT REVERSAL PRO-
TECTION
THERMAL SHUTDOWN
GND AND VS OPEN WIRE PROTECTION
ADJUSTABLE DELAY AT SWITCH ON
INDICATOR STATUS LED DRIVER
+5V REGULATED AUX. VOLTAGE
HIGH BURST IMMUNITY
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 in-
BLOCK DIAGRAM
SO8
ORDERING NUMBER: TDE1707BFP
ternal +5V supply can be used to supply external
circuits (See also AN495/0692). A signal is inter-
nally generated to block the In signal, and prevent
activation of the output switch, as long as an ab-
normal condition is detected. The power-on tran-
sition, 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 dis-
apperance of the block signal; no delay at its on
set) can be further increased connecting a ca-
pacitor between pin3 and ground. It can drive re-
sistive or inductive loads.
July 1999
1/6
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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