描述:最大45V输入电压,输出电流1～4A,有完善的保护功能及及安规认证,适用于5～20W(5V/1A,5V/1.2A,5A/1.5A,5V/2A,5V/3A,5V/3.1A,5V/3.5A)电源系统，应用于：Car charger(GPS，Smart-Phone，Tablet PC...)
AX3XXX全系列车载电源方案可以满足DC-DC车充5V/1-4A的方案,终端产品囊括GPS,手机, 平板, Apple系列等中高端产品所需各方面的性能要求(短路保护,OTP,OCP ,OVP,限流保护,线性补偿,短路重启,关断等)及安规认证(FCC,TUV,CE传导干扰,E-MARK,TMC,OTA)对策.
3A PWM Buck DC/DC Converter for 5V/2A,5V/2.1A solution
6.AX3111(50~380kHz ADJ)-3A PWM Buck DC/DC Converter
AX3111-PWM Control 3A Step-Down ConverterDataSheet
AX3111(52Khz~380Khz Build in HV MOSFET.40V/3A DC/DC ) + AX358 (OVP+OCP )High Efficiency solution For 5V/2A 5V/2.1A solution
Vin : 10V~40V
Vout : 5V/2A 5V/2.1A
* Freq=50Khz~380Khz adj
* Build 3A MOSFET. Efficiency 90% .
* EMI & TMC Approval available
AX3111为一颗设计耐压高达40V,电流3A的PWM降压芯片, IC内置MOS管,独特的开关频率可调设计,同等规格方案中设计效率高,在带来高效性能的同时也解决设计空间小的烦恼,满足市场主流的外观idea及安全规范测试要求!产品内置过压,短路,过温保护&自动恢复等功能,外围线路简单,非常适合Mini Car Charger--1~2.1A方案,工作时效率可达90%,非常适合mini及双USB车充方案.
7.AX3112(130/350kHz)-3A PWM Buck DC/DC Converter
AX3112-PWM Control 3A Step-Down ConverterDataSheet
AX3112 (AX3112-52Khz~380Khz Build in HV MOSFET 40V/2A + OCP/OVP ) High Efficiency solution For 5V/2A 5V/2.1A solution
Vin : 10V~40V
Vout : 5V/2A 5V/2.1A
* Freq=50Khz~380Khz adj
* Build 3A MOSFET. Efficiency 90% .
* Build in Line compensate +OCP+OVP function
* Supply CC / CV for Li-on battery charger mode
* EMI & TMC Approval available
FEATURES
- Input voltage：8V to 38V
- Adjustable version output voltage range form 3.3V to 38V
- Duty ratio：0% to 100% PWM control
- Oscillation frequency：130K/350 KHz
- Enable and auto restart control function.
- Thermal Shutdown function/Internal OVP.
- Short Circuit Protect (SCP).
- Built-in internal SW P-channel MOS.
- SOP-8L-EP Pb-Free package.
8.AX3133(130/350kHz)-3A PWM Buck DC/DC Converter
AX3133-PWM Control 3A Step-Down ConverterDataSheet
FEATURES
- Input voltage：8V to 33V
- Output voltage：3.3V to 26V
- Duty ratio：0% to 100% PWM control
- Oscillation frequency range is 50K~350KHz by outside resistance setting
- Enable with Soft-Start function
- Current Limit, Short Circuit Protect (SCP) and Thermal Shutdown protection
- Built-in internal SW P-channel MOS.
- SOP-8L-EP Pb-Free package.
9.AX3117(100/300kHz)-3A PWM Buck DC/DC Converter
AX3117/A-PWM Control 3A Step-Down ConverterDataSheet
AX3117 (100Khz/300Khz Build in HV MOSFET 40V/3A + OCP/OVP ) High Efficiency solution For 5V/2A 5V/2.1A solution
Vin : 8V~40V
Vout : 5V/2A 5V/2.1A
* Freq=100Khz/300Khz
* Build 3A MOSFET..
* Build in Line compensate +OCP+OVP function
* Supply CC / CV for Li-on battery charger mode
* EMI & TMC Approval available
FEATURES
- Input VoltageΚ8V to 40V
- Duty ratioΚ0% to 100% PWM control
- Oscillation frequencyΚ100K/300KHz
- Thermal Shutdown function.
- Short Circuit Protect (SCP).
- Built-in internal SW P-channel MOS.
- Current mode non-synchronous PWM converter
- External current limit setting.
- Under Voltage Lockout.
- Over Voltage Protection.
- Line-compensation built in.
- SOP-8L-EP Pb-Free package.
