Allegro MicroSystemsUnited States

A81805KESJSR

ActiveVoltage Regulators - DC DC Switching Regulators20-QFN

IC REG BUCK 3.3V 2.5A 20QFN

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Technical parameters

Key specs

Input voltage3.5 ~ 36 V
Output voltage3.3 V
Output current2.5 AMax
Switching frequency400 kHz ~ 2.5 MHz
Power
Current - Output2.5A
Voltage - Input (Max)36V
Voltage - Input (Min)3.5V
Voltage - Output (Max)-
Voltage - Output (Min/Fixed)3.3V
AC and DC characteristics
Frequency - Switching400kHz ~ 2.5MHz
Environment and package
Mounting TypeSurface Mount, Wettable Flank
Operating Temperature-40°C ~ 150°C (TJ)
PackageTape & Reel (TR) Cut Tape (CT) Digi-Reel®
Package / Case20-VFQFN Exposed Pad
Supplier Device Package20-QFN (4x4)
Other
Base Product NumberA81805
FunctionStep-Down
MfrAllegro MicroSystems
Number of Outputs1
Output ConfigurationPositive
Output TypeFixed
Product StatusActive
Series-
Synchronous RectifierYes
TopologyBuck

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