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AX3051 GENERAL DESCRIPTION
AX3051/Ais a wide input
voltage, high efficiency ActiveCC step-down DC/DC converter that operates in
either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode.
AX3051/Aconsists of step-down switching regulator with
PWM control. The deviceincludes a reference voltage source, oscillation
circuit,error amplifier and etc.
AX3051/Aprovides
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 canbe 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-EPpackages, providing such
outstanding features as low current consumption. Since this converter can
accommodate an input voltage up to 36V
AX3051 FEATURES
- Input Voltage:8V to 36V
- Vout Accuracy (VFB=1V) ±2%
- CC/CV mode(Constant Current and Constant Voltage)
- Up to 2.8A output current
- ±3%/±5%/15%Current limit Accuracy
- Duty ratio:0% to 90% PWM control
- Oscillation frequency:
AX3051: 100KHz
AX3051A: 250KHz
- Thermal Shutdown function.
- Short Circuit Protect (SCP).
- Built-in internal LXN-channel MOS.
- Currentmode non-synchronous PWM converter
- External current limit setting.
- Over Voltage Protection5.8V.
- Built inadjustable line-compensation.
- SOP-8L-EP Pb-Free packages
AX3051 APPLICATIONS
- Car charger
- Portable charger Device
本公司可以协助Lay 板,调试直至产品可以大批量量产,以及帮忙过认证,提供FAE全程服务,为您提供全程无忧的服务
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