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Technical parameters

Key specs

Input voltage2.8 ~ 4 V
Output voltage800 mV ~ 4 V
Output current3 AMax
Switching frequency1.5 MHz
Power
Current - Output3A
Voltage - Input (Max)4V
Voltage - Input (Min)2.8V
Voltage - Output (Max)4V
Voltage - Output (Min/Fixed)0.8V
AC and DC characteristics
Frequency - Switching1.5MHz
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 150°C (TJ)
PackageTape & Reel (TR)
Package / Case8-VDFN Exposed Pad
Supplier Device Package8-VFDFPN (3x3)
Other
Base Product NumberAST1S31
FunctionStep-Down
MfrSTMicroelectronics
Number of Outputs1
Output ConfigurationPositive
Output TypeAdjustable
Product StatusActive
Series-
Synchronous RectifierYes
TopologyBuck

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