6-Channel, Max.150mA/Ch Boost WLED Driver with 15000:1 Dim Ratio and I2C, SGM37460Q P2P MP3367.
优势替代
FEATURES
• 3.5V to 36V Input Voltage Range
• Six Channels with Max 150mA per Channel
• Internal 100mΩ, 50V MOSFET
• Programmable Up to 2.2MHz fSW
• External Sync SW Function
• Multi-Dimming Operation Mode through
PWM Input, Including:
o Direct PWM Dimming
o Analog Dimming
o Mix Dimming with 25%/12.5% Transfer Point
• 15000:1 Dim Ratio in PWM Dim at fPWM ≤ 200Hz
• 200:1 Dim Ratio at Analog Dim through
PWM Dim Signal Input
• Excellent EMI Performance, Frequency Spread Spectrum
I2C Interface
• Phase Shift Function for PWM Dimming
• 2.5% Current Matching
• Cycle-by-Cycle Current Limit
• Disconnect VOUT from VIN
• Optional LED Current Auto-Decrement at
High Temperatures
• LED Short/Open, OTP, OCP, and Inductor Short Protections
• Programmable LED Short Threshold
• Programmable OVP Threshold
• Fault Indicator Signal Output
• Available in QFN-24 4mmx4mm and TSSOP28-EP Packages
PIN CONFIGUTION
