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L4978


Part Number L4978
Zouser Part # L4978
Manufacturer STMicroelectronics
Category SemiconductorsPower Management ICsVoltage Regulators - DC DC Switching Regulators
Description IC REG BUCK ADJUSTABLE 2A 8DIP
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models L4978 PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Nov 24 - Nov 29 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*

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ISO9001 ISO14001 RoHS Compliant IAF CNAS UKAS

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In Stock1,922 - More on Order
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L4978 Specifications

Part Number L4978
Brand STMicroelectronics
Lifecycle Active
RoHS No RoHS Information
Product Line Semiconductors
Category Power Management ICs
Subcategory Voltage Regulators - DC DC Switching Regulators
Manufacturer STMicroelectronics
Series -
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 8V
Voltage - Input (Max) 55V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) 50V
Current - Output 2A
Frequency - Switching 100kHz ~ 300kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 150°C (TJ)
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP

L4978 Documents

L4978, L4978 Datasheet (Total Pages: 13, Size: 578.46 KB)
E-L4978D Datasheet CoverE-L4978D Datasheet Page 2E-L4978D Datasheet Page 3E-L4978D Datasheet Page 4E-L4978D Datasheet Page 5E-L4978D Datasheet Page 6E-L4978D Datasheet Page 7E-L4978D Datasheet Page 8E-L4978D Datasheet Page 9E-L4978D Datasheet Page 10E-L4978D Datasheet Page 11E-L4978D Datasheet Page 12E-L4978D Datasheet Page 13

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