XL1682 – AC-DC PFC LED Offline Driver – Xinluda

The XL1682 from Xinluda is a single-stage, primary-side-regulation (PSR) power-factor-correction AC-DC LED offline driver in an SOP-8 package, delivering tight constant-current regulation with high power factor and low THD across a universal input range – no optocoupler required.

The XL1682 is a single-stage power-factor-correction (PFC) AC-DC LED offline driver controller manufactured by Xinluda Information Technology Co., Ltd. Using primary-side regulation (PSR) and pulse-frequency-modulation (PFM) control, the XL1682 delivers tight constant-current (CC) output regulation directly from the AC line without the need for a secondary-side optocoupler or feedback network. This single-stage architecture reduces component count, board area, and bill-of-materials cost while maintaining a high power factor and low total harmonic distortion (THD) across the universal AC input range, and helps designs meet IEC 61000-3-2 harmonic standards, making it well suited to cost-sensitive LED lighting designs.

Housed in a compact SOP-8 package, the XL1682 integrates accelerated startup with low startup and operating current, plus a robust suite of protection functions including open-load and reload detection, output overvoltage protection (OVP), short-circuit protection (SCP), and overcurrent protection (OCP). It is rated for an industrial operating temperature range of -40°C to +85°C and is supplied RoHS-compliant on tape and reel.

Key Features

• Single-stage power-factor-corrected (PFC) AC-DC LED driver topology
• Primary-side regulation (PSR) – no optocoupler or secondary feedback required
• Pulse-frequency-modulation (PFM) control
• Tight constant-current (CC) regulation across the universal AC input range
• High power factor and low THD over the full input range
• Meets IEC 61000-3-2 harmonic current standards
• Accelerated startup with low startup and operating current
• Open-load and reload detection
• Output overvoltage (OVP), short-circuit (SCP), and overcurrent (OCP) protection
• SOP-8 package; operating temperature -40°C to +85°C; RoHS compliant

Applications

• Single-stage power-factor-corrected power supplies for LED lighting
• LED bulbs, tubes, and downlights
• Offline LED drivers
• Decorative and commercial LED lighting
• Cost-sensitive AC-DC constant-current lighting power supplies

Why Source XL1682 from Pacific Component Xchange

The XL1682 is a specialized Xinluda LED-driver IC with limited authorized-distributor availability, which can make it difficult to source through mainstream channels – especially for production volumes or end-of-life and obsolete buys. Pacific Component Xchange is an independent distributor focused on hard-to-find power-management ICs and optocouplers, with a global supplier network built to locate scarce and allocated parts like the XL1682.

Every order is backed by our commitment to authenticity and quality, with inspection and traceability processes designed to protect your supply chain from counterfeit and substandard components. We offer worldwide shipping and responsive, quote-based pricing tailored to your quantity and lead-time requirements. Request a quote (RFQ) for the XL1682 today and let our sourcing team secure the components you need.