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来源:cooran发布时间:2012-02-18
询问 AI本文介绍了LTM8042和LTM8042-1主要特性,方框图以及多种应用电路.
Linear公司的LTM8042和LTM8042-1 是uModule LED串驱动器,工作电压从3V到30V,具有40VIN瞬态保护,工作模式有升压,降压或降-升压模式,调光比3000:1,可调工作频率从250kHz到 2.5MHz,主要用在显示器背光,汽车和飞机照明,照明和扫描仪.
LTM8042和LTM8042-1主要特性:
True Color PWM™ with 3000:1 Dimming Ratio
Operates in Boost, Buck Mode or Buck-Boost Mode
Wide Input Voltage Range:
Operation from 3V to 30V
Transient Protection to 40V
Gate Driver for Optional PWM Dimming with P-channel MOSFET
Adjustable Frequency: 250kHz to 2.5MHz
Constant-Current and Constant-Voltage Regulation
Low Shutdown Current: <1μA
RoHS Compliant Package with Gold Pad Finish
Tiny, Low Profile (9mmx15mmx2.82mm) Surface Mount LGA Package
LTM8042和LTM8042-1应用:
Display Backlighting
Automotive and Avionic Lighting
Illumination
Scanners
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