SI-8008TFE, SI-8008TM, SI-8050TFE: DC-to-DC Step-Down Converter

The SI-8008TFE, SI-8008TM, and SI-8050TFE DC voltage regulators are DC-to-DC buck convertors that attain an oscillation frequency of 300 kHz, and have an integrated miniaturized choke coil, allowing them to serve as a small, high efficiency power supplies in compact TO252-5 (SC-63) or TO220F packages.

The switching regulator function realizes a high efficiency switching regulator operation without adjustment, requiring only six external support components, and an optional capacitor for soft start operation and an optional transistor for on/off control. The SI-8008TFE, SI-8008TM, and SI-8050TFE include overcurrent and overheating protection circuits.

DATASHEETS

SI-8008TM Datasheet

SI-8008TFE Datasheet

SI-8050TFE Datasheet

SAMPLE & BUY

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1.5 A output current supplied in a small power surface mount package
High efficiency: 81% at V_IN = 15 V, I_O = 0.5 A,V_O = 5 V
Requires only six external components (optional soft start requires an additional capacitor)
Oscillation circuit built-in (frequency 300 kHz typical)
Constant current type overcurrent protection circuit and an overheating protection circuit built in
Soft start function built-in (can be implemented as an ON/OFF function, output OFF state at low level)
Low consumption current during output OFF state

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Part Number Specifications and Availability
Part Number	Package Type	Temperature	RoHS Compliant	Part Composition / RoHS Data	Comments	Samples	Check Distributor Stock
SI-8008TFE	5-lead TO-220	-40 ° C to 150 ° C	Yes	--	New	Contact your local sales rep	Check Distributor Stock
SI-8008TM-TL	5-lead TO-252	-40 ° C to 150 ° C	Yes	--	New	Contact your local sales rep	Check Distributor Stock
SI-8050TFE	5-lead TO-220	-40 ° C to 150 ° C	Yes	--	New	Contact your local sales rep	Check Distributor Stock

Allegro's products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.

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SI-8008TFE, SI-8008TM, SI-8050TFE: DC-to-DC Step-Down Converter

Part Number Specifications and Availability

Allegro's products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system.