L5987A集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF中文资料

L5987A属于集成电路（IC）的稳压器-DC-DC开关稳压器。由意法半导体集团制造生产的L5987A稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。

Description

The L5987 is a step-down switching regulator with a 3.5 A (minimum) current limited embedded Power MOSFET, so it is able to deliver an up to 3 A current to the load depending on the application conditions.

Features

• 3 A DC output current

• 2.9 V to 18 V input voltage

• Output voltage adjustable from 0.6 V

• 250 kHz switching frequency, programmable up to 1 MHz

• Internal soft-start and inhibit

• Low dropout operation: 100 duty cycle

• Voltage feedforward

• Zero load current operation

• Overcurrent and thermal protection

• VFQFPN 3 x 3 -8L and HSOP8 package

Applications

• Consumer: STB, DVD, DVD recorder, car audio, LCD TV and monitors

• Industrial: PLD, PLA, FPGA, chargers

• Networking: XDSL, modems, DC-DC modules

• Computer: optical storage, hard disk drive, printers, audio/graphic cards

• LED driving