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Overview
| Topology | FlyBuck (Double Buck) |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 0.67 A |
| IC revision | 1.1 |
Description
The RAA223021 evaluation board (RTKA223021DE0000BU) is a high voltage buck converter that demonstrates a low-cost high performance non-isolated AC/DC conversion from an universal input of 85VAC to 265VAC, to a 12V output with the output current up to 667mA.The board has built-in overcurrent, short-circuit, input brownout, and over-temperature protection, and is designed on a single side PCB with a full-wave input rectification. It is pre-compliant with conducted EMI requirements by EN55022/CISPR 22. RTKA223021DE0000BU uses the RAA223021 SOIC-7 packaged IC.
Features
- Universal input
- Single side PCB with low-cost external components
- EMI compliance for EN55022/CISPR22
- Standby power less than 20mW
- No audible noise
Typical applications
- Home appliances, Home automation,IoT
- sensors, Metering and Industry control
- Bias power
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447462221 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | 220 | 0.5 | 0.5 | 1.2 | 4.8 | Heat Shrinking Tube | – | – | – | – | – | – | – | – | – | 6 | – | ||
| 7447480681 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | 680 | 0.9 | 1 | 0.79 | 1.5 | Standard | – | – | – | – | – | – | – | – | – | 10.5 | – | ||
 | 860021375011 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATG5 Aluminum Electrolytic Capacitors | – | – | – | – | – | – | 10 µF | 400 | 2000 | -25 °C up to +105 °C | 104 | 120 | 15 | 5 | 10 | 14 | Ammopack |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447462221 | SPEC | |
| 7447480681 | SPEC | |
| 860021375011 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Samples |
|---|