ME2149 Datasheet - ChipSourceTek

ME2149, ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR

ME2149 ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR General .
Features The ME2149 series is a CMOS step-up. Low voltage operation: Start-up is guaranteed from switching regulator which mainly consists of.

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Datasheet Details

Part number:

ME2149

Manufacturer:

ChipSourceTek

File Size:

894.08 KB

Description:

ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR

Features

* The ME2149 series is a CMOS step-up
* Low voltage operation: Start-up is guaranteed from switching regulator which mainly consists of a reference voltage source, an oscillation circuit, 0.9V(IOUT =1 mA )
* Duty ratio: Built-in PWM/PFM switching control an error amplifier, a phase compens

Applications

* requiring k high efficiency and high output current. The e ME2149 series switches its operation to the PFM T control circuit whose duty ratio is 15 % with to the e PWM/PFM switching control circuit under a light rc load and to prevent decline in the efficiency by IC u operation current.
* o

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