AG体育

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MP2109,雙路1.5MHz、800mA 同步降壓型DC-DC變換器

MP2109】雙路1.5MHz、800mA 同步降壓型DC-DC變換器

  • MP2109 所屬品牌:MPS
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MP2109 詳細介紹

MP2109雙路獨立的1.5MHZ恒定頻率、電流模脈寬調制(PWM)架構的降壓型變換器。每一路變換器都集成了一個主開關管和同步整流管以提高效率,無需外部肖特基二極管。MP2109是單節鋰電池供電應用的理想選擇。當輸入電壓范圍在2.5V~5.5V時,每路變換器可以提供800mA的電流,輸出電壓可調節低至0.6V。MP2109可以在100%的占空比下低壓降工作。

MP2109 】Dual 1.2MHz, 800mA Synchronous Step-Down Converter. Adjusted Output Voltage (0.6V to 6V).
 
The MP2109 contains two independent 1.2MHz constant frequency, current mode, PWM step down converters. MP2109 Each converter integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. The MP2109 is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. Each converter can supply 800mA of load current from a 2.5V to 6V input voltage. The output voltage can be regulated as low as 0.6V. The MP2109 can also run at 100% duty cycle for low dropout applications.
 
MP2109 技術特性
MP2109Up to 95% Efficiency
MP21091.2MHz Constant Switching Frequency
MP2109800mA Load Current on Each Channel
MP21092.5V to 6V Input Voltage Range
MP2109Output Voltage as Low as 0.6V
MP2109100% Duty Cycle in Dropout
MP2109Current Mode Control
MP2109Short Circuit Protection
MP2109Thermal Fault Protection
• <0.1μA Shutdown Current
MP2109 Internally Compensated
MP2109Space Saving 10-Pin QFN Package
 
 
 
 
 

Vin (Min) (V)

2.5 

Vin (Max) (V)

AG体育lout (Max) (A)

AG体育0.8 (2x) 

AG体育Isw Typ (A)

1.3 

Iq (Typ) (mA)

0.4 

Vfb (V)

0.6 

Freq 1 (kHz)

1240 

Freq 2 (kHz)

 

Soft Start

Package 1

QFN10