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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.2.1 Oct.04, 2019

AX3050/A

2.3A,Wide-Input Sensorless CC/CV Step-Down

DC/DC Converter



GENERAL DESCRIPTION

AX3050/A is a wide input voltage, high efficiency Active CC step-down DC/DC

converter that operates in either CV (Constant Output Voltage) mode or CC (Constant

Output Current) mode.

AX3050/A consists of step-down switching regulator with PWM control. The device

includes a reference voltage source, oscillation circuit, error amplifier and etc.

AX3050/A provides low-ripple power, high efficiency, and excellent transient

characteristics. The PWM control circuit is able to the duty ratio linearly forms 0 up to 90%.

An over current protection function is built outside that it can set by a resistance. An

external compensation is easily to system stable; the low ESR output capacitor can be

used.

With the addition of an internal N-channel Power MOS, a coil, capacitors, and a

diode connected externally, these ICs can function as step-down switching regulators.

They serve as ideal power supply units for portable devices when coupled with the

SOP-8L-EP packages, providing such outstanding features as low current consumption.

Since this converter can accommodate an input voltage up to 34.



APPLICATIONS

- Car charger

- Portable charger Device.