MIC2179-3.3BSM DC/DC降压转换电源IC 3.3V SSOP-20L marking/标记 MIC2179-3.3BSM 1.5A同步降压型稳压器
控制方式MODE | PWM |
输入电压VINInput Voltage | 4.5~16.5V |
输出电压VOUTOutput Voltage | 3.3V |
输出电流IOUTOutput Current | 600mA |
震荡频率FOSCOscillation Frequency | 200KHZ |
内置FETBuilt-in FET | PMOS |
Description & Applications | 1.5A Synchronous Buck Regulators • 4.5V to 16.5V input voltage range • Dual-mode operation for high efficiency (up to 96%) PWM mode for > 200mA load current Skip mode for < 200mA load current • 100mΩ internal power MOSFETs at 12V input • 200kHz preset switching frequency • Low quiescent current 1.0mA in PWM mode 600µA in skip mode < 5µA in shutdown mode • Current-mode control Simplified loop compensation Superior line regulation • 100% duty cycle for low dropout operation • Current limit • Thermal shutdown • Undervoltage lockout • High-efficiency, battery-powered supplies • Buck (step-down) dc-to-dc converters • Palmtop computers • Laptop computers • Cellular telephones • Hand-held instruments • Battery Chargers |
描述与应用 | 1.5A同步降压型稳压器 • 4.5V to 16.5V input voltage range • Dual-mode operation for high efficiency (up to 96%) PWM mode for > 200mA load current Skip mode for < 200mA load current • 100mΩ internal power MOSFETs at 12V input • 200kHz preset switching frequency • Low quiescent current 1.0mA in PWM mode 600µA in skip mode < 5µA in shutdown mode • Current-mode control Simplified loop compensation • 100% duty cycle for low dropout operation • Current limit • Thermal shutdown • Undervoltage lockout • High-efficiency, battery-powered supplies • Buck (step-down) dc-to-dc converters • Palmtop computers • Laptop computers • Cellular telephones • Hand-held instruments • Battery Chargers |
规格书PDF |