厂商：Freescale
类别：16位单片机
厂商：Renesas
类别：R8C系列单片机
类别：PowerPC
厂商：
类别：H.264 Video Encoder
厂商：Panasonic
类别：PhotoMOS(MOSFET输出光电耦合器)
厂商：Littelfuse
类别：双向晶闸管
我要询价我要收藏
特点Fully Compliant with Intel 5-Bit Mobile (LTC1699-80) and Desktop VRM8.4 (LTC1699-81) and VRM9.0 (LTC1699-82) VID SpecificatioPrecision ±0.35% Programmable Resistor Divider for Use with 0.8V Referenced DC/DC ConvertersTwo Different Divider Settings Can Be Stored Using a 2-Wire SMBus Serial Interface (Rev 1.1)Built-In Safeguards Minimize Misprogramming Due to Bus ConflictsThree Open-Drain Pins (CPU_ON, IO_ON, CLK_ON) and a Global Control Pin (VRON) to Shutdown or Soft-Start 3 DC/DC Converters SimulPGOOD Pin and 50μs PGOOD TimerAvailable in MSOP-8 and SSOP-16 Package典型应用描述The SMBus interface uses Write Word protocol to setup the registers and to turn the DC/DC converters on or off. Read Word protocol is used to verify register contents and to return the On/Off status of the converters. The LTC1699-80, LTC1699-81 and LTC1699-82 incorporate safeguards against errors due to bus conflicts.Three open-drain N-channel outputs (CPU_ON, IO_ON and CLK_ON) are provided to turn DC/DC converter supplies on or off via their RUB/SS inputs. A global control pin, VRON is used to turn the converters on or off simultaneously. An internal timer pulls the PGOOD pin low for 50μs if the divider setting changes or the converters are turned on via the SMBus and the VRON pin.