AL8821：中等电压DC-DC LED驱动器
| Part Number | Data Sheet | SPICE Model | Qualified to AECQ10x | PPAP Capable | Topologies (Buck) | Topologies (Buck-Boost) | Topologies (Boost) | MinimumInput Voltage (V) | MaximumInput Voltage (V) | Maximum Output Voltage (V) | Maximum LED Current (A) | LED Current Accuracy (%) | Switching Frequency Maximum (kHz) | Dimming (PWM) | Dimming (Analog) | Efficiency (%) | OperatingTemperatureRange (°C) | Sense Voltage (mV) | AEC-Q100 Grade |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AL8821 | AL8821.pdf | - | - | - | - | - | - | - | 36 | 36 | - | 5 | 1000 | No | No | 85 | - | - | - |
Description
The AL8821 is a boost converter that delivers an accurate constant current for MR16 and similar LED Lamps. With proprietary control scheme, the LED driver is compatible with many commonly used electronic transformers and provides designs with High Power Factor (PF) and low Total Harmonic Distortion (THD) for these applications. The operation frequency is up to 1MHz that allows the use of small size inductor. With the package of SO-8EP, the AL8821 has small thermal resistance and can be used for wide range of output power. The driver can be used for dimmable MR16 application and can be compatible with leading-edge dimmer and trailing-edge dimmer.
Application
- Non-dimmable MR16 Lamps
- Dimmable MR16 Lamps
- General Illumination Lamps
Features
- Wide Input Voltage Range: 5V to 36V
- Internal 40V NDMOS Switches
- Continuous Conduction Mode (CCM) Operation
- Up to 1MHz Switching Frequency
- High PF > 0.9 and Low THD < 30% and low Ripple < 20%
- Compatible With Leading-edge Dimmer And Trailing-edge Dimmer
- Internal Protections
- Under Voltage Lock Out (UVLO)
- Output Open
- Over Temperature Protection (OTP)
订购型号
- AL8821SP-13
SO-8EP
- AL8821.pdf AL8821
