STMicroelectronicsSwitzerland

L4978

ActiveVoltage Regulators - DC DC Switching Regulators8-DIP

IC REG BUCK ADJ 2A 8DIP

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Technical parameters

Key specs

Input voltage8 ~ 55 V
Output voltage3.3 ~ 50 V
Output current2 AMax
Switching frequency100 ~ 300 kHz
Power
Current - Output2A
Voltage - Input (Max)55V
Voltage - Input (Min)8V
Voltage - Output (Max)50V
Voltage - Output (Min/Fixed)3.3V
AC and DC characteristics
Frequency - Switching100kHz ~ 300kHz
Environment and package
Mounting TypeThrough Hole
Operating Temperature-40°C ~ 150°C (TJ)
PackageTube
Package / Case8-DIP (0.300", 7.62mm)
Supplier Device Package8-DIP
Other
Base Product NumberL4978
FunctionStep-Down
MfrSTMicroelectronics
Number of Outputs1
Output ConfigurationPositive
Output TypeAdjustable
Product StatusActive
Series-
Synchronous RectifierNo
TopologyBuck

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DatasheetDatasheet · 578.5 KB · 2026-09-22MarketingMarketing · 1.9 MB · 2026-09-22MarketingMarketing · 1.3 MB · 2026-09-22Application NoteApplication Note · 1.1 MB · 2026-09-22Application NoteApplication Note · 793.2 KB · 2026-09-22Application NoteApplication Note · 361.3 KB · 2026-09-22
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