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STMicroelectronics L7981A — DC-DC Power Modules

L7981A

MPNL7981A
End of Life

IC REG BUCK ADJ 3A 8HSOP

$2.27Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width) Exposed Pad
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

L7981A specifications
ParameterValue
Output typeAdjustable
MountingSurface Mount
Voltage - input4.5V
Voltage - output28V
Voltage - output (Min (Fixed))0.6V
Output current3A
Frequency - switching250kHz ~ 1MHz
I/O channels1
Operating temperature-40°C ~ 150°C (TJ)
PackageTube
FunctionStep-Down
TopologyBuck
Case8-SOIC (0.154\", 3.90mm Width) Exposed Pad
Output configurationPositive
Synchronous rectifierNo