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XP POWER STH0548S3V3 DC-DC Buck Regulator

The STH05 series is a cost-effective DC-to-DC buck regulator in an SMD-10 package, featuring adjustable output with ±10% trim, remote on/off, short circuit protection, and high efficiency. Designed for wide input voltages from 3.3V to 15VDC, it operates without a heatsink and offers up to 92% efficiency, making it suitable for various power applications. The compact size of 19.5mm x 11.8mm x 5.0mm and operation up to +105°C ensure versatility, with full load performance maintained to +60°C. Ideal for industrial and embedded systems.

Authorized Distributors
Source:DigiKey
Part No:STH0548S3V3
Stock:253
Inv Date:05-29-2026
Price: Unit price: $10.05
Buy/RFQ:
Part No:STH0548S3V3
Stock:290
Inv Date:05-30-2026
Price: Unit price: $10.05
Buy/RFQ:
Part No:STH0548S3V3
Stock:40
Inv Date:05-29-2026
Price: Unit price: $8.44
Buy/RFQ:

XP POWER STH0548S3V3 DC-DC Buck Regulator Specifications:

  • Input Voltage Range: 3.3V to 15VDC, supports wide input range from 9V to 72V
  • Output Voltage: 3.3V, 5V, 6.5V, 9V, 12V, 15V (model dependent)
  • Output Current: up to 404mA depending on model
  • Efficiency: Up to 92%
  • Operating Temperature: -40°C to +105°C, full load to +60°C
  • Dimensions: 19.5mm x 11.8mm x 5.0mm (0.77 x 0.47 x 0.39 inches)
  • Input Surge Voltage: 75VDC for 100ms
  • Remote On/Off: Pin controlled, logic high to turn on, low to turn off
  • Protection: Continuous short circuit protection with auto recovery
  • Switching Frequency: 150–550 KHz
  • No heatsink required, suitable for high-density applications
  • Compliance & Certifications: IEC, UL, CE
  • Mounting: SMD with Tape & Reel options

Buy the XP Power Series Buck Regulator: STH0548S3V3

Buy the high-efficiency DC-DC buck regulator STH0548S3V3 online today for reliable voltage regulation in industrial applications. This compact, cost-effective regulator supports wide input voltages, features adjustable output, remote on/off, and short circuit protection. With efficiency up to 92%, it maintains optimal performance from -40°C to +105°C. The STH05 series requires no heatsink, making it ideal for space-constrained environments. Easily integrated into your power system for stable and efficient operation, ensuring your projects’ success.

Order your XP Power Series buck regulator STH0548S3V3 today and ensure reliable, efficient power management for your industrial or embedded system projects.

Frequently Asked Questions

Where can I buy XP POWER STH0548S3V3?

You can click on the BUY or RFQ button to purchase STH0548S3V3 from an authorized XP POWER distributor.

How do I troubleshoot issues or seek technical support for part STH0548S3V3?

You can download the STH0548S3V3 datasheet or visit the XP POWER website for support.

Who is the manufacturer of STH0548S3V3?

XP POWER

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