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ME2188A50XG
ME2188
microne
Efficient PFM synchronous boost DC-DC conversion chip
summary
ME2188 is a series of high conversion efficiency, low power consumption, and high operating frequency
PFM synchronous boost DC-DC conversion chip. The chip utilizes PFM control
Circuit that automatically switches the duty ratio coefficient according to the magnitude of the load current to achieve low
A series of products with ripple, high efficiency, and wide output voltage range. In-chip
Low current consumption of synchronous switching tubes and chips effectively improves DC-DC
Conversion efficiency and equipment life cycle. Only three components are needed for the periphery
It is possible to boost the low input battery voltage to the required operating voltage.
characteristic
● High efficiency: 93%
Low startup voltage: 0.9V @ IOUT=1mA
Low quiescent current: 7uA
● Frequency: 320KHz
Optional output voltage: 1.9V~5.0V
● Output accuracy: ± 2%
● Output current: 300mA
● Low ripple and low noise
● Synchronous rectification
Application
● Electronic equipment with 1-2 dry batteries
● Digital camera, LED flashlight, LED lamp, blood pressure meter
Remote control toys, wireless headphones, wireless mouse and keyboard, medical devices
Handheld electronic devices such as car anti-theft devices, chargers, VCRs, PDAs, etc
Packaging form
● 5-pin SOT23-5
● 3-pin SOT23、SOT23-3、SOT89-3、TO92
Factory Pack Quantity: 3000
price: 0.04-0.06
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