XR46203
Overview
| Steps | 2 |
|---|---|
| Max Voltage (V) | 78 |
| IOUT MAX (mA) | 180 |
| Power Line Regulation | Y |
| Dimmable | Y; Triac |
| Application | downlight, high bay, specialty, architectural |
| Package | DFN-8 |
| Features | 2-step integrated driver, Better thermal performance, Built in thermal foldback and VIN pin clamp |
The XR46203 is a two-step LED current controller with line regulation compensation for operating over a wide alternating current (AC) voltage source range. It can drive an external N-channel power MOSFET to regulate the current flowing through a high voltage (HV) LED string.
The XR46203 works as a constant current sink with linear-type overvoltage protection (OVP), linear-type over temperature protection (OTP), and line regulation compensation. It is suitable for applications with a rectified AC voltage source.
The PCB design can be very compact to meet various shape requirements. The XR46203 is especially suitable for replacing incandescent light bulbs and linear-type fluorescent lamps.
- Device
- Two current step control from a single device
- Excellent system power regulation over the AC line variation range
- 6V to 78V chip supply voltage range
- Over temperature protection
- Overvoltage protection
- DFN 3 x 3-8L package
- System
- Single board LED lighting solution
- All solid state components
- No electrolytic capacitor or MOV required
- Scalable architecture allows optimization of
- performance vs. cost
- Driver-on-board and chip-on-board design solutions available which minimize process flow and assembly cost
- High PF and low THD performance
- Flexible PCB layout options
- TRIAC dimmable
- LED Lighting Applications
- Downlight
- High bay
- Specialty
- Architectural
Documentation & Design Tools
| Type | Title | Version | Date | File Size |
|---|---|---|---|---|
| Data Sheets | XR46203 Two-Step LED Current Controller with Line Regulation Compensation | 1B | August 2018 | 362.4 KB |
| Product Brochures | Power Management Brochure | R01 | November 2024 | 2.4 MB |
| Product Briefs | XR46203 Product Brief | October 2016 | 98.5 KB |
Quality & RoHS
Parts & Purchasing
| Part Number | Pkg Code | Status | Suggested Replacement | PDN |
|---|---|---|---|---|
| XR46203IHBTR | TDFN8 3x3 | OBS | XR46110IHBTR + XR46084EHTR-ADJ or XR46110IHBTR + XR46084ESFTR-ADJ |
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs.
Packaging
| Pkg Code | Details | Quantities | Dimensions |
|---|---|---|---|
| TDFN8 3x3 |
|
|
|
FAQs & Support
Search our list of FAQs for answers to common technical questions.
For material content, environmental, quality and reliability questions review the Quality tab or visit our Quality page.
For ordering information and general customer service visit our Contact Us page.
Submit a Technical Support Question As a New Question
The Parts & Purchasing section of the product page shows the Status of all orderable part numbers for that product. Click Show obsolete parts, to see all EOL or OBS products.
