Integrated Circuits (ICs)

L4973V3.3

Obsolete

CONV DC-DC 8V TO 55V STEP DOWN SINGLE-OUT 0.5V TO 50V 3.5A 18-PIN PDIP TUBE

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Integrated Circuits (ICs)

Obsolete

CONV DC-DC 8V TO 55V STEP DOWN SINGLE-OUT 0.5V TO 50V 3.5A 18-PIN PDIP TUBE

Technical Specifications

Parameters and characteristics for this part

Part	Voltage - Input (Max) [Max]	Frequency - Switching [Min]	Frequency - Switching [Max]	Current - Output	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Max) [Max]	Voltage - Input (Min) [Min]	Output Configuration	Number of Outputs	Topology	Supplier Device Package	Package / Case	Output Type	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed) [Min]	Function	Mounting Type	Package / Case	Package / Case
STMicroelectronics L4973D3.3	55 V	100 kHz	300 kHz	3.5 A	-40 °C	150 °C	50 V	8 V	Positive	1	Buck	20-SO	20-SOIC (0.295" 7.50mm Width)	Adjustable (Fixed)	3.3 V	0.5 V	Step-Down	Surface Mount
STMicroelectronics L4973D5.1-013TR	55 V	100 kHz	300 kHz	3.5 A	-40 °C	150 °C	50 V	8 V	Positive	1	Buck	20-SO	20-SOIC (0.295" 7.50mm Width)	Adjustable (Fixed)	5.1 V		Step-Down	Surface Mount
STMicroelectronics L4973V3.3	55 V	100 kHz	300 kHz	3.5 A	-40 °C	150 °C	50 V	8 V	Positive	1	Buck	18-DIP	18-DIP	Adjustable (Fixed)	3.3 V	0.5 V	Step-Down	Through Hole	0.3 in	7.62 mm
STMicroelectronics L4973D5.1	55 V	100 kHz	300 kHz	3.5 A	-40 °C	150 °C	50 V	8 V	Positive	1	Buck	20-SO	20-SOIC (0.295" 7.50mm Width)	Adjustable (Fixed)	5.1 V		Step-Down	Surface Mount
STMicroelectronics L4973D3.3-013TR	55 V	100 kHz	300 kHz	3.5 A	-40 °C	150 °C	50 V	8 V	Positive	1	Buck	20-SO	20-SOIC (0.295" 7.50mm Width)	Adjustable (Fixed)	3.3 V	0.5 V	Step-Down	Surface Mount

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 2.82

General part information

Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 18-DIP (0.300", 7.62mm)

Technical documentation and resources