Description:The iW1830 digital PWM converter integrates a highly accurate control circuit with a 700V power MOSFET to provide a complete solution for off-line power conversion at up to 15W of output power.Renesas' PrimAccurate™ primary-side digital control algorithms eliminate the need for failure-prone optocouplers and ensure excellent cross-regulation accuracy, to enable the longer operating lifetime, high performance and reduced cost required for white goods applications.The output is designed to smoothly start-up
Renesas provides a recommended PCB layout guide in their application note (R01AN4393EJ0100) which includes thermal design considerations, such as thermal vias, copper pours, and component placement, to ensure optimal thermal performance.
The IW1830-00 has a built-in overcurrent protection feature, but it's recommended to add external overcurrent protection circuitry, such as a fuse or a current sense resistor, to provide additional protection against overcurrent conditions.
Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor, depending on the specific application and operating conditions.
To ensure EMC compliance, follow Renesas' guidelines for PCB layout, component selection, and shielding, and consider using additional EMC filters or chokes as needed. Also, perform EMC testing and certification according to relevant standards, such as CISPR 25 and IEC 62133.
The IW1830-00 has an operating temperature range of -40°C to +125°C, but the maximum junction temperature (Tj) should not exceed 150°C. Ensure proper thermal design and cooling to maintain a safe operating temperature.
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IW1830-00 Overview
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