ML6554集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF中文资料

描述 Description

The ML6554 switching regulator is designed to convert voltage supplies ranging from 2.3V to 4V into a desired output voltage or termination voltage for various applications.

特性 Features

• Can source and sink up to 3A, no heat sink required

• Integrated Power MOSFETs

• Generates termination voltages for DDR SDRAM,

SSTL-2 SDRAM, SGRAM, or equivalent memories

• Generates termination voltages for active termination

schemes for DDR SDRAM, GTL+, Rambus, VME,

LV-TTL, HSTL, PECL and other high speed logic

• VREF input available for external voltage divider

• Separate voltages for VCCQ and PVDD

• Buffered VREF output

• VOUT of ±3 or less at 3A

• Minimum external components

• Shutdown for standby or suspend mode operation

• 0° to +70°C and -40° to +85°C temperature ranges

available

• Thermal Shutdown ≈ 130ºC