These two-terminal linear constant-current regulators from onsemi are simple, economical and robust devices designed to provide a cost effective solution for regulating current in LEDs. Based on patent pending self-biased transistor technology, the drivers regulate output current over a wide range of input voltages. They are designed with a negative temperature coefficient to protect LEDs from thermal runaway at extreme voltages and operating temperatures. The devices require no external components and their high anode-cathode voltage rating withstands surges common in automotive, industrial and commercial signage applications. They are lead-free ROHS compliant, use halogen-free molding compound and are qualified to stringent AEC 101 standards.
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- Regulated current enables:
- Constant brightness over wide voltage range
- Protection of LEDs from over drive at higher input voltages
- Brighter LEDs at lower voltages
- Reduced or eliminated LED binning inventory
- Lower overall solution cost
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- 45 V max operating voltage withstands battery load dump
- Power packages (SOD123/SOT223) operate in harsh thermal environments (85°C still air)
- Negative temperature coefficient protects devices and LEDs
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Applications
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- Commercial signage
- Neon replacement
- Transportation signs
- Display backlighting
- Architecture and general lighting
- Flat panel AC lighting
- Task and decorative lighting
- Landscape and exterior lighting
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- Automotive
- Interior lighting
- Stop/tail light
- CHMSL
- Cluster and convenience
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These two-terminal linear constant-current regulators from onsemi are simple, economical and robust devices designed to provide a cost effective solution for regulating current in LEDs. Based on patent pending self-biased transistor technology, the drivers regulate output current over a wide range of input voltages. They are designed with a negative temperature coefficient to protect LEDs from thermal runaway at extreme voltages and operating temperatures. The devices require no external components and their high anode-cathode voltage rating withstands surges common in automotive, industrial and commercial signage applications. They are lead-free ROHS compliant, use halogen-free molding compound and are qualified to stringent AEC 101 standards.
