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AP2406 - 600mA Synchronous Step-Down Converter

General Description

The AP2406 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture.

The device is available in an adjustable version and fixed output voltages, such as 1.2V, 1.5V, 1.8V, etc.

Key Features

  • z High Efficiency: Up to 96% z 1.5MHz Constant Switching Frequency z 700mA Output Current at VIN=3V z Integrated Main switch and synchronous rectifier. No Schottky Diode Required z 2.5V to 6.5V Input Voltage Range z Output Voltage as Low as 0.6V z 100% Duty Cycle in Dropout z Quiescent Current: 300µA(input < 4.2V) z Slope Compensated Current Mode Control for Excellent Line and Load Transient Response z Short Circuit Protection z.

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Datasheet Details

Part number AP2406
Manufacturer Chipown
File Size 322.11 KB
Description 600mA Synchronous Step-Down Converter
Datasheet download datasheet AP2406 Datasheet

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Full PDF Text Transcription (Reference)

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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AP2406 Chipown 1.5Mhz, 700mA Synchronous Step-Down Converter Description The AP2406 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version and fixed output voltages, such as 1.2V, 1.5V, 1.8V, etc. Supply current with no load is 300uA and drops to <1uA in shutdown. The 2.5V to 6.5V input voltage range makes the AP2406 ideally suited for single Li-Ion, two to four AA battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. PWM pulse skipping mode operation provides very low output ripple voltage for noise sensitive applications. Switching frequency is internally set at 1.