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STMicroelectronics · Other integrated circuits

ST1S03APUR

IC REG BUCK ADJUSTABLE 1.5A 6DFN

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ST1S03APUR component illustration
Component illustration · verify actual package in documentation.

ST1S03APUR specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

ManufacturerSTMicroelectronics
Ordering codeST1S03APUR
FamilyOther integrated circuits
Package6-VDFN Exposed Pad
Product StatusObsolete
FunctionStep-Down
Output ConfigurationPositive
TopologyBuck
Output TypeAdjustable
Number of Outputs1
Voltage - Input (Min)3V
Voltage - Input (Max)5.5V
Voltage - Output (Min/Fixed)0.8V
Voltage - Output (Max)4.79V
Current - Output1.5A
Frequency - Switching1.5MHz
Synchronous RectifierNo
Operating Temperature0°C ~ 125°C (TJ)
Mounting TypeSurface Mount
Package / Case6-VDFN Exposed Pad
Supplier Device Package6-DFN (3x3)

Documents and evidence

ST1S03APUR ↗

Before sourcing ST1S03APUR

  1. Identify the firmware and board baseline
  2. Check flash, RAM and required peripherals
  3. Review pin assignment and supply limits
  4. Keep the full temperature and package suffix
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