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ME2149超小型封装PWM/PFM切换控制升压型开关稳压器

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ME2149_dcdc_(中文资料)

　　The ME2149 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source， an oscillation circuit， an error amplifier， a phase compensation circuit， a PWM/PFM switching control circuit. With an internal low-ON-resistance Nch Power MOS， this product is applicable to applications requiring high efficiency and high output current. The ME2149 series switches its operation to the PFM control circuit whose duty ratio is 15 % with to the PWM/PFM switching control circuit under a light load and to prevent decline in the efficiency by IC operation current.
ME2149超小型封装PWM/PFM切换控制升压型开关稳压器

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