PM8908(2015) 数据手册 ( 数据表 ) - STMicroelectronics

Description
   The PM8908 is a high efficiency monolithic stepdown switching regulator designed mainly for the DDR termination.

FEATUREs
• Integrated MOSFETs for high efficiency
• Current COT architecture
• 1 V to 3.5 V input voltage (VIN)
• 5.0 V supply voltage (VCC)
• Constant frequency mode
• 1% output voltage accuracy
• Two programmable switching frequencies
   (0.6 MHz or 1 MHz)
• ADJ output voltage from 0.5 V to 2 V
• Embedded bootstrap diode
• OV/UV/OC and overtemperature protection
• Soft-off with integrated discharge resistor
• External tracking
• Power Good output
• QFN20 3.5 x 4.0 mm compact package

APPLICATIONs
• Memory termination regulator for DDR3, DDR4
   and low power DDR3/DDR4
• Notebook/desktop/server
• Low voltage application for 1 V to 3.5 V input
   rails