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ONSEMI FAN5331SX Boost Converter

The FAN5331 is a high-frequency, fixed-frequency boost converter designed for battery-powered devices such as cell phones, PDAs, and handheld equipment. It offers a 20V output with high efficiency, low noise, and adjustable voltage settings. Featuring a 1.6MHz switching frequency, cycle-by-cycle current limit, over-voltage protection, and a 5-lead SOT-23 package, this device ensures minimal power dissipation and reliable operation. Ideal for LED bias, display backlighting, and OLED supply applications, it provides a compact solution for portable electronics requiring efficient power conversion.

Authorized Distributors
Part No:FAN5331SX
Stock:0
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI FAN5331SX Boost Converter Specifications:

  • Switching Frequency: 1.6MHz
  • Output Voltage: 20V (adjustable)
  • Peak Switch Current: 1A
  • Output Power Capability: 1W
  • Low Shutdown Current: <1pA
  • Cycle-by-Cycle Current Limit
  • Over-Voltage Protection
  • Fixed-Frequency PWM Operation
  • Internal Compensation
  • Package Type: 5-lead SOT-23
  • Input Voltage Range: 2.7V to 55V
  • Maximum Input Voltage: 6.0V (absolute)
  • Maximum Junction Temperature: 150°C
  • Thermal Resistance: 265°C/W
  • Operating Ambient Temperature: -40°C to 85°C
  • Output Capacitance: 1.6μF recommended

Buy the Buy ON Semiconductor FAN5331SX Part Number FAN5331SX Online

Purchase the ON Semiconductor FAN5331SX boost converter online to power your portable electronics efficiently. This high-frequency device provides an adjustable 20V output, 1.6MHz switching frequency, and low quiescent current. Its compact SOT-23 package ensures easy integration into space-constrained designs. Ideal for LED biasing, display backlighting, and OLED supply circuits, this converter offers cycle-by-cycle current limit, over-voltage protection, and excellent efficiency. Get reliable power management for your projects with quick online ordering and fast delivery.

Order your ON Semiconductor FAN5331SX boost converter today and enhance your portable device's power efficiency with its high switching frequency and reliable features.

Frequently Asked Questions

Where can I buy ONSEMI FAN5331SX?

You can click on the BUY or RFQ button to purchase FAN5331SX from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FAN5331SX?

You can download the FAN5331SX datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FAN5331SX?

ONSEMI

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