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AP2201 - PFM Control Step-Up Switching Regulator

General Description

The AP2201 Series is a CMOS PFM-control step-up switching regulator that mainly consists of a reference voltage source, an oscillator, and a comparator, enabling products with a low ripple over a wide range, high efficiency, and high output current.

Key Features

  • z Low voltage operation: Startup at 0.9 V min (Iout 1 mA) guaranteed z Low input current: 2.3uA (Vout 3.3 V) z Duty ratio: 75 % Built-in fixed-type PFM controller z External parts: Coil, capacitor, and diode z Output voltage: Settable to between 1.5 to 6.0V accuracy of 2%.

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Datasheet Details

Part number AP2201
Manufacturer Chipown
File Size 251.03 KB
Description PFM Control Step-Up Switching Regulator
Datasheet download datasheet AP2201 Datasheet

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AP2201 Chipown Super Small Package PFM Control Step-Up Switching Regulator General Description The AP2201 Series is a CMOS PFM-control step-up switching regulator that mainly consists of a reference voltage source, an oscillator, and a comparator, enabling products with a low ripple over a wide range, high efficiency, and high output current. Products with a fixed duty ratio of 75 % （ Lower Output Voltage ） or 88%(Higher Output Voltage) are also available. With the AP2201 Series, a step-up switching regulator can be configured by using an external coil, capacitor, and diode. A protection circuit turns off the built-in MOS FET when the voltage at the CONT pin exceeds the limit to prevent it from being damaged.