Description:The iW1760B improves on the performance of Renesas' iW1760 AC/DC controller by reducing the output voltage ripple to 1% on a 12V output voltage, increasing the Vcc input voltage range up to 25V and increasing robustness with extra protection features. The iW1760B meets the US DoE’s external power supply standard and the EU’s Code of Conduct, Version 5, Tier 2 standard by offering no-load power consumption of < 50mW while complying with active mode minimum efficiency requirements.The iW1760B also incorporate
Renesas provides a recommended PCB layout guide in their application note (R01AN3793EJ0100) which includes thermal vias, thermal pads, and heat sink recommendations to ensure optimal thermal performance.
The IW1760B-10 has a built-in overcurrent protection feature. However, to implement it, you need to connect an external resistor (Roc) between the OC pin and GND. The value of Roc determines the overcurrent threshold. Refer to the datasheet for the calculation formula.
The maximum allowed voltage on the VCC pin during power-up sequence is 6.5V. Exceeding this voltage may damage the device. Ensure that the power-up sequence is controlled to stay within this limit.
Renesas provides a troubleshooting guide in their application note (R01AN3793EJ0100) which covers common issues, such as incorrect pin connections, power supply issues, and thermal-related problems. Additionally, you can use Renesas' development tools, such as the IW1760B-10 evaluation board, to debug and test the device.
Yes, the IW1760B-10 is compatible with lead-free soldering processes. Renesas ensures that their devices meet the requirements for lead-free soldering, as specified in the JEDEC standard J-STD-020.
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iW1760B-10 Overview
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