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发布者:微桥AX4103 发布时间:2011/2/17 阅读:5907次    关键字: AXELITE 亚瑟莱特 DC-DC 微桥 AX4103
AX4103-PWM Control 3.5A Step-Down Converter停产


AX4103-PWM Control 3.5A Step-Down Converter DataSheet (2015年7月停产)

GENERAL DESCRIPTION
    AX4103 consists of step-down switching regulator with PWM control. These devise include a reference voltage source, oscillation circuit, error amplifier, internal PMOS and etc.
    AX4103 provides low-ripple power, high efficiency, and excellent transient
characteristics. The PWM control circuit is able to the duty ratio linearly form 0 up to 100%. An enable function, an over current protect function and short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced. Also, an internal compensation block is built in to minimum external component count.
    With the addition of an internal P-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 package, providing such outstanding features as low current consumption.

FEATURES
- Input voltage:4.5V to 23V
- Output voltage:0.8V to VCC
- Duty ratio:0% to 100% PWM control
- Oscillation frequency:330KHz typ.
- Current Limit (CL), Enable function.
- Thermal Shutdown function.
- Short Circuit Protect (SCP).
- Built-in internal SW P-channel MOS.
- SOP-8L Pb-Free package.

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