onsemi NCL38046 High-Performance Op Amps
onsemi NCL38046 High-Performance Operational Amplifiers (Op Amps) are constant current and voltage amplifiers with a low input offset voltage. NCL38046 can extend the system dimming range to under 1%. These op amps also support programmable constant power regulation to protect LED loads and provide a wide output operating range.
Features
- Precise constant current regulation with ±0.5mV tolerance
- Compatible with multiple dimming input signals
- ADIM pin receives analog voltage dimming input
- PWM pin receives PWM duty dimming input
- Constant power regulation
- Standby mode
- 3.3V reference voltage output
- Dimming curve modulation
- Maximum and minimum dimming input limit
- Minimum dimming output level limit
- Linear or logarithmic dimming curve, externally selectable
- SOIC-8 package
- Lead-free
Applications
- Power conversion
- Lighting ballasts
Application Schematic
Simplified Block Diagram
Yayınlandı: 2023-12-13
| Güncellenmiş: 2024-01-01