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STMICROELECTRONICS EVALSTCH0345W Power Supply Evaluation Board

The EVAL-STCH03-45W is a 45-watt, 12-volt power supply evaluation board designed for general purpose applications requiring high efficiency and safety. It features a Quasi Resonant flyback converter based on the STCHO03 controller, with optocoupler feedback for voltage regulation and primary side regulation for constant current output. Synchronous rectification is managed by the SRK1000B controller, ensuring excellent power management. The power supply offers low standby power consumption, robust protections against output faults, and a compact 85 x 55 mm form factor suitable for diverse electronic devices.

Authorized Distributors
Source:Newark
Part No:EVAL-STCH03-45W
Stock:2
Inv Date:06-11-2026
Price: Unit price: $153.46
Buy/RFQ:
Source:DigiKey
Part No:EVAL-STCH03-45W
Stock:2
Inv Date:06-11-2026
Price: Unit price: $141.87
Buy/RFQ:
Part No:EVAL-STCH03-45W
Stock:0
Inv Date:06-12-2026
Price: Unit price: $141.87
Buy/RFQ:
Part No:EVAL-STCH03-45W
Stock:3
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

STMICROELECTRONICS EVALSTCH0345W Power Supply Evaluation Board Specifications:

  • Input Voltage Range: 90 Vac to 265 Vac
  • Output Voltage: 12 V
  • Output Current: 3.75 A
  • Power Output: 45 W
  • Standby Power: < 40 mW @ 230 Vac
  • Efficiency: > 88% at 115 Vac, > 89% at 230 Vac
  • Dimensions: 85 x 55 x 25 mm
  • Safety Compliance: EN60065
  • EMI Compliance: EN55022 - Class B
  • Protection: Overvoltage, undervoltage, overpower, short-circuit with auto-restart
  • Includes primary MOSFET STF10LN80K5 and synchronous rectification MOSFET STL900N10F7

Buy the STMicroelectronics Series Power Supply: EVAL-STCH03-45W

Enhance your electronic designs with the EVAL-STCH03-45W power supply evaluation board, offering high efficiency, robust protection features, and a compact form. Perfect for general purpose applications, this board utilizes advanced flyback converter technology based on the STCHO03 controller with optocoupler feedback for precise voltage regulation. It includes safety features such as overvoltage and short-circuit protection, ensuring reliable operation under various conditions. Its small footprint makes it ideal for a wide range of industrial and consumer electronic projects. Get yours online today and streamline your power management needs.

Buy STMicroelectronics EVAL-STCH03-45W now and experience unmatched reliability and high efficiency in industrial power solutions.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS EVALSTCH0345W?

You can click on the BUY or RFQ button to purchase EVALSTCH0345W from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part EVALSTCH0345W?

You can download the EVALSTCH0345W datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of EVALSTCH0345W?

STMICROELECTRONICS

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