ME2139F control equivalent, ultra-small package pwm/pfm switching control.
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Feature
* Low voltage operation: Start-up is guaranteed from 0.9 V(IOUT =.
The ME2139 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 external low-ON-resist.
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