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TDK-LAMBDA I7A4W033A033V001R High Power DC-DC Converter

The I7A series is a high-efficiency, non-isolated DC-DC step-down converter capable of delivering up to 750W and supporting high current outputs of 33A or 45A from a single power supply. It features low ripple, excellent dynamic response, wide input voltage range of 18-60V, and adjustable output voltage from 3.3V to 18V or 24V. Its compact design with high power density reduces board space, enhances battery life, and minimizes external component needs. Certified under IEC/EN/UL/CSA 62368-1 and CE, it suits industrial, robotics, broadcast, and test applications, offering reliable cooling options, durability, and a three-year warranty.

TDK-LAMBDA I7A4W033A033V001R High Power DC-DC Converter Specifications:

  • Input Voltage Range: 18-60V (turn on at 16.5V), 18-32V (turn on at 16.5V)
  • Input Transient: 65V max (18-60Vモデル), 36V max (18-32Vモデル)
  • Input Current (max): 50A
  • Efficiency: 91-98%, typical 93-98.5%
  • Safety Certifications: IEC/EN/UL/CSA 62368-1, CE
  • Output Voltage Tolerance: ±BS
  • Switching Frequency: 660kHz
  • Line Regulation: 0.2%
  • Load Regulation: 0.4%
  • External Load Capacitance: 220-10000uF, typical 330-10000uF
  • Output Current: 0-33A / 0-45A
  • Ripple & Noise: 25mV
  • Overcurrent Protection: 45A or 63A (typical)
  • Overtemperature Protection: Yes
  • Remote Sense: (+) sense, compensates up to 5%
  • Remote On/Off: Negative logic control, see model specifics
  • Output Adjustment: Via trim circuit, detailed equations available
  • Dynamic Response: 420mV at 25% to 75% load step
  • Operating Temperature: -40°C to 125°C, derating in low airflow
  • Storage Temperature: -55°C to +125°C
  • Humidity: 5-95% RH, non-condensing
  • Cooling Methods: Convection, conduction, forced air
  • Weight: 25g (open frame), 50g (baseplate), 70g (heatsink)
  • Physical Dimensions: 34 x 36.8 x 11.5mm (open frame), up to 24.9mm with heatsink
  • MTBF: >5 million hours at 40°C
  • Warranty: 3 years

Buy the TDK Lambda – Reliable High-Power DC-DC Converter for Industrial Applications

Purchase the TDK Lambda I7A series online today for your industrial, robotics, and broadcast projects. Engineered for high efficiency up to 98.5%, it provides up to 750W power with outputs supporting 33A or 45A from a single supply. Its wide input range of 18-60V, adjustable output voltages, and compact footprint make it ideal for space-constrained environments. The series offers excellent dynamic response, minimal external components, and reliable cooling options to ensure long-term stability and performance. Backed by a three-year warranty, order now for seamless integration into your system.

Get TDK Lambda I7A series today—built for high power, efficiency, and reliable industrial performance.

Frequently Asked Questions

Where can I buy TDK-LAMBDA I7A4W033A033V001R?

You can click on the BUY or RFQ button to purchase I7A4W033A033V001R from an authorized TDK-LAMBDA distributor.

How do I troubleshoot issues or seek technical support for part I7A4W033A033V001R?

You can download the I7A4W033A033V001R datasheet or visit the TDK-LAMBDA website for support.

Who is the manufacturer of I7A4W033A033V001R?

TDK-LAMBDA

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