Features
- Flyback regulator with 1000V 9Ω MOSFET
- Frequency doubling for heavy load operation (21W and above), for a programmable duration (maximum time depends on thermal capability)
- Fault-tolerant input overvoltage protection
- Valley switching to reduce switching losses
- Programmable constant frequency PWM operation
- 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).
RAA223182 - Typical Flyback Circuit
Description
The RAA223182 is an off-line Flyback regulator with a 1000V integrated MOSFET, designed for high input voltage applications such as 3-phase electric meter power supplies and other generally isolated power supplies. The RAA223182 can deliver up to 11W from the universal 3-phase input voltage.
Parameters
| Attributes | Value |
|---|---|
| Topology Characteristic | SSR Flyback |
| Control Mode | DCM |
| UVLO Rising (V) | 12 |
| UVLO Falling (V) | 5.5 |
| VBIAS (Max) (V) | 18 |
| PWMs (#) | 1 |
| Output Power Max (W) | 12 |
| Switching Frequency (KHz) | 50 - 100 |
| Controller / Integrated | Integrated |
| Advanced Features | CapSaver, Peak Power |
| Temp. Range (°C) | -40 to +125°C |
| Qualification Level | Standard |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SOICN | 9.9 x 3.9 x 1.25 | 13 | 1.3 |
Applications
- Smart Meter
- Large appliances
- Industry control
Renesas Boards & Kits
RTKA223182DR0000BU
Active
Dual Output 11W 3-Phase Input Flyback Demonstration Board
The RTKA223182DR0000BU dual output 11W universal input flyback demonstration board featuring the RAA223182 1000V regulator demonstrates a low-cost, high-performance isolated AC/DC solution from a universal 3-phase input of 121VAC to 500VAC, to 12.5V and 5V outputs for smart meter applications.
Recommended Documents:
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Knowledge Base
Browse our knowledge base for helpful articles, FAQs, and other useful resources.
