安森美的NCP3102是高效率的10A DC/DC降压转换器,工作电压从5V到13.2V,输入电压超过19V,而输出电压可低至0.8V,通过MOSFET开关的连续输出电流为10A,可广泛应用于服务器/网络以及DSP和FPGA的电源与DC/DC稳压器模块.本文介绍了NCP3102主要特性,方框图, CP3102应用电路图及其材料清单(BOM).

The NCP3102 is a high efficiency, 10 A DC-DC buck converter designed to operate from a 5 V to 13.2 V supply. This design extends that input voltage capability to 19V. NCP3102 can produce an output voltage as low as 0.8 V. It can also continuously output 10 A through MOSFET switches driven by an internally set 275 kHz oscillator. The 40-pin device provides
an optimal level of integration to reduce size and cost of the power supply. The NCP3102 also incorporates an externally compensated transconductance error amplifier and a capacitor programmable soft-start function. Protection features include programmable short circuit protection and under voltage lockout (UVLO). The NCP3102 is available in a 40-pin QFN
package.
NCP3102主要特性:
_Input Voltage Range from 4.5 V to 13.2 V
_275 kHz Internal Oscillator
_Greater than 90% Maximum Efficiency
_Boost Pin Operates to 25 V
_Voltage Mode PWM Control
_0.8 V _1% Internal Reference Voltage
_Adjustable Output Voltage by Resistor Divider
_Capacitor Programmable Soft-Start
_80% Maximum Duty Cycle
_Input Undervoltage Lockout
_Resistor Programmable Current Limit
_This is a Pb-Free Device

NCP3102应用:
_Servers/Networking
_DSP and FPGA Power Supply
_DC-DC Regulator Modules



图1. NCP3102方框图



图2. NCP3102典型应用框图



图3. NCP3102开发板外形图



图4. NCP3102应用电路图
NCP3102应用电路图材料清单(BOM):

详情请见PDF文档

来源：安森美