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iW1816

Renesas
Part Number iW1816
Manufacturer Renesas
Description Off-Line Digital Green-Mode PWM Controller
Published Sep 9, 2023
Detailed Description iW1816 Off-Line Digital Green-Mode PWM Controller Integrated with Power BJT and OTP 1 Description The iW1816 is a high p...
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iW1816
iW1816


Overview
iW1816 Off-Line Digital Green-Mode PWM Controller Integrated with Power BJT and OTP 1 Description The iW1816 is a high performance AC/DC power supply control device which uses digital control technology to build peak current mode PWM flyback power supplies.
This device includes an internal power BJT and operates in quasiresonant mode to provide high efficiency along with a number of key built-in protection features while minimizing the external component count, simplifying EMI design, and lowering the total bill of material cost.
The iW1816 removes the need for secondary feedback circuit while achieving excellent line and load regulation.
It also eliminates the need for loop compensation components while maintaining stability in all operating conditions.
The pulse-by-pulse waveform analysis allows for a loop response that is much faster than traditional solutions, resulting in improved dynamic load response for both one-time and repetitive load transients.
The built-in power limit function enables optimized transformer design in universal off-line applications and allows for a wide input voltage range.
Dialog’s innovative proprietary technology ensures that power supplies built with the iW1816 can achieve highest average efficiency, lowest standby power consumption, and fast smooth startup with a wide range of output voltage (5V, 12V and above) and capacitive loads (from 330μF to 6,000μF).
2 Features ● PrimAccurateTM primary-side feedback eliminates ● Quasi-resonant operation for highest overall efficiency opto-isolators and simplifies design ● EZ-EMI® design easily meets global EMI standards ● Internal 800-V bipolar junction transistor (BJT) ● Very tight constant voltage and constant current ● Adaptively controlled soft start-up enables fast and regulation with primary-side-only feedback smooth start-up for a wide range of output voltage (5V, 12V and above) and capacitve loads up to 6,000μF ● No external compensation components required ● 64kHz PWM swit...


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