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PU321A Specifications

Detailed technical information and Application Scenarios

Product Details

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PU321A300Yes

Manufacturer:** Texas Instruments **Part Number:** PU321A ### **Specifications:** - **Type:** Power Management IC (PMIC) - **Input Voltage Range:** 4.

Manufacturer: Texas Instruments

Part Number: PU321A

Specifications:

  • Type: Power Management IC (PMIC)
  • Input Voltage Range: 4.5V to 36V
  • Output Voltage Range: Adjustable (depends on configuration)
  • Output Current: Up to 3A
  • Switching Frequency: 500kHz (typical)
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +125°C
  • Package: 16-pin HTSSOP (PowerPAD™)

Descriptions:

The PU321A is a high-efficiency, synchronous step-down DC-DC converter designed for industrial and automotive applications. It integrates MOSFETs and offers a wide input voltage range, making it suitable for battery-powered systems and power supply regulation.

Features:

  • Integrated MOSFETs for reduced external component count
  • Adjustable Output Voltage via external resistors
  • Wide Input Voltage Range (4.5V to 36V)
  • High Efficiency with synchronous rectification
  • Thermal Shutdown & Overcurrent Protection
  • Adjustable Soft-Start for controlled power-up
  • Low Quiescent Current in standby mode
  • AEC-Q100 Qualified (for automotive applications)

This information is based on available datasheets and manufacturer documentation. For detailed application notes, refer to Texas Instruments' official resources.

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