AP3581C集成电路（IC）的PMIC-稳压器-DCDC开关式控制器规格书PDF中文资料

AP3581C属于集成电路（IC）的PMIC-稳压器-DCDC开关式控制器。由美台半导体制造生产的AP3581CDC-DC 开关控制器PMIC（电源管理集成电路）DC 到 DC 开关式控制器是用于高效率电路的稳压 IC，其配置为生成高于（突升或步升）或低于（突降或步降）输入电源的输出电源电压。其他拓扑结构可能包括：降压-升压、反激、正激、Cuk、SEPIC、全桥、半桥和推挽式。这些器件不同于需要最小电压并“烧尽”多余电压的线性稳压器。

特性 Features

 Supply Voltage: 5V/12V

VIN Input Range: 3.0V to 13.2V

0.6V/0.8V to 80 of VIN Output Range

Internal Reference: 0.6V/0.8V

 Simple Single-Loop Control

Voltage-Mode PWM Control

Duty Cycle: 0 to 80

Fast Transient Response

 10MHz High-Bandwidth Error Amplifier with 6V/μs Slew Rate

 Fixed Oscillator Frequency: 300kHz/200kHz

 Lossless, Programmable Over Current Protection

(Uses Lower MOSFET RDS(ON) )

 Start-Up into Pre-biased Output

 Built-In Thermal Shutdown

 Built-In Soft-Start

 Over Current/Voltage Protection

 Under Voltage Protection

 Integrated Boot Diode

Applications

 Power Supplies for Microprocessors/Peripherals

PCs, Embedded Controllers, Memory Supplies

DSP and Core Communications Processor Supplies

 Subsystem Power Supplies

PCI, AGP, Graphics Cards, Digital TV

SSTL-2 and DDR/2/3 SDRAM Bus Termination Supply

 Cable Modems, Set Top Boxes, and DSL Modems

 Industrial Power Supplies and General Purpose Supplies

 5V/12V Input DC-DC Regulators

 Low-Voltage Distributed Power Supplies