TDE1707BFPT STMicroelectronics

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 SO8 INTERNAL VOLTAGE CLAMPING SUPPLY AND OUTPUT REVERSAL PRO- ORDERING NUMBER: TDE1707BFP TECTION THERMAL SHUTDOWN GND AND V OPEN WIRE PROTECTION S ternal +5V supply can be used to supply external ADJUSTABLE DELAY AT SWITCH ON circuits (See also AN495/0692). A signal is inter- INDICATOR STATUS LED DRIVER nally generated to block the In signal, and prevent activation of the output switch, as long as an ab- +5V REGULATED AUX. VOLTAGE normal condition is detected. The power-on tran- HIGH BURST IMMUNITY sition, as well as the chip overtemperature and the output overcurrent, concurr to the generation DESCRIPTION of such signal. A minimum delay of 25s (Typ. value) is added to the trailing edge of such signal The TDE1707BFP is a 0.5A Integrated Power to ensure that a stable normal situation is present Switch with up to 48V Power supply capability. when the signal disappears. The delay (of the dis- Two output configurations are possible: apperance of the block signal no delay at its on - Load to Gnd. (High Side Mode) set) can be further increased connecting a ca- - Load to VS (Low side Mode) pacitor between pin3 and ground. It can drive re- sistive or inductive loads. Especially dedicated to proximity detectors, its in- BLOCK DIAGRAM 1/6 September 2003 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. INACTIVE - INACTIVE - INACTIVETDE1707BFP PIN CONNECTION (Top view) ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V Supply Voltage 50 V S V Supply Reverse Voltage 50 V Sr I Output Current internally limited A O V Regulated Voltage Pin 0 to 7 V reg V Delay Cap. Surce Pin 0 to 5 V delay V Output Diff. Voltage 55 V O V Input Voltage -10 to 50 V i T Operating Temperature Range -25 to +85 C op T Storage Temperature -55 to 150 C stg P Power Dissipation internally limited W tot E Energy Induct. Load 150 mJ l THERMAL DATA Symbol Description Value Unit R Thermal Resistance Junction-ambient Max. 150 C/W th j-amb 2/6 INACTIVE - INACTIVE - INACTIVE