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星光电子技术深圳工作室 >> 芯片解密-单片机解密 >> 当前位置
LM2745芯片内部分析与IC解密研究
Features
Switching frequency from 50 kHz to 1 MHz
Switching frequency synchronize range 250 kHz to 1 MHz (LM2745 Only)
Startup with a pre-biased output load
Power stage input voltage from 1V to 14V
Control stage input voltage from 3V to 6V
Output voltage adjustable down to 0.6V
Power Good flag and shutdown
Output overvoltage and undervoltage detection
±1.5% feedback voltage accuracy over temperature
Low-side adjustable current sensing
Adjustable soft-start
Tracking and sequencing with shutdown and soft start pins
TSSOP-14 package
Switching frequency from 50 kHz to 1 MHz
Switching frequency synchronize range 250 kHz to 1 MHz (LM2745 Only)
Startup with a pre-biased output load
Power stage input voltage from 1V to 14V
Control stage input voltage from 3V to 6V
Output voltage adjustable down to 0.6V
Power Good flag and shutdown
Output overvoltage and undervoltage detection
±1.5% feedback voltage accuracy over temperature
Low-side adjustable current sensing
Adjustable soft-start
Tracking and sequencing with shutdown and soft start pins
TSSOP-14 package