900V Off-Line Flyback Regulator
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Overview
Description
The RAA223181 is an off-line Flyback regulator with a 900V integrated MOSFET, designed for high input voltage and high reliability application of smart meter power supplies and other general isolated power supplies.
Features
- Flyback regulator with 900V 10Ω MOSFET
- Single 400V input capacitor for input up to 450VAC
- Frequency doubling for heavy load operation (up to 12W), with programmable duration < 100ms
- Valley switching to reduce switching losses
- Programmable constant frequency DCM operation (recommended range 50kHz ~100kHz)
- Burst mode operation at light load
- Protection features: Short-Circuit Protection (SCP), Overload Protection (OLP), Input Undervoltage Lockout (VinUV), Input OVP, VCC Overvoltage Protection (VccOV), VCC Undervoltage Lockout (VccUV) and Over-Temperature Protection (OTP)
Applications
Applications
- Smart Meter
- Large appliances
- Industry control
Design & Development
Boards & Kits
Boards & Kits
Dual Output 6W Universal Input Flyback Evaluation Board using RAA223181
The RTKA223181DE0010BU dual output 6W universal input Flyback evaluation board, featuring the RAA223181 900V
regulator, is designed to demonstrate a low-cost high...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Product Options
Processing table
RAA2231814GSP#HA0 Active Samples Available |
SOICN | Reel | 2500 | Get Samples, |
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