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FP3843 Specifications

Detailed technical information and Application Scenarios

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PartNumberManufactorQuantityAvailability
FP3843308Yes

Manufacturer:** Texas Instruments **Part Number:** FP3843 ### **Specifications:** - **Type:** Synchronous Buck Controller - **Input Voltage Range:** 4.

Manufacturer: Texas Instruments

Part Number: FP3843

Specifications:

  • Type: Synchronous Buck Controller
  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 0.8V to 30V
  • Switching Frequency: 100kHz to 600kHz (adjustable)
  • Maximum Duty Cycle: 90%
  • Output Current: Up to 20A (with external MOSFETs)
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C
  • Package: 16-Pin TSSOP

Descriptions:

The FP3843 is a high-performance synchronous buck controller designed for DC-DC conversion applications. It provides precise voltage regulation with high efficiency and supports adjustable switching frequencies. The controller is suitable for power supplies in industrial, automotive, and telecom applications.

Features:

  • Adjustable output voltage
  • Synchronous rectification for improved efficiency
  • Programmable soft-start
  • Overcurrent protection (OCP)
  • Undervoltage lockout (UVLO)
  • Thermal shutdown protection
  • Adjustable switching frequency
  • Low shutdown current (<10µA)
  • Integrated bootstrap diode

This information is based on the manufacturer's datasheet. For detailed application notes, refer to Texas Instruments' official documentation.

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