MAX767, MAX767R, MAX767S, MAX767T:5V至3.3V输出、同步整流、降压型电源控制器

±2.5%高精度电源,用于单、双Pentium®处理器系统

The MAX767 is a high-efficiency, synchronous buck controller IC dedicated to converting a fixed 5V supply into a tightly regulated 3.3V output. Two key features set this device apart from similar, low-voltage step-down switching regulators: high operating frequency and all N-channel construction in the application circuit. The 300kHz operating frequency results in very small, low-cost external surface-mount components. The inductor, at 3.3µH for 5A, is physically at least five times smaller than inductors found in competing solutions. All N-channel construction and synchronous rectification result in reduced cost and highest efficiency. Efficiency exceeds 90% over a wide range of loading, eliminating the need for heatsinking. Output capacitance requirements are low, reducing board space and cost. The MAX767 is a monolithic BiCMOS IC available in 20-pin SSOP packages. For other fixed output voltages and package options, please consult the factory.

关键特性
  • >90% Efficiency
  • 700µA Quiescent Supply Current
  • 120µA Standby Supply Current
  • 4.5V-to-5.5V Input Range
  • Low-Cost Application Circuit
  • All N-Channel Switches
  • Small External Components
  • Tiny Shrink-Small-Outline Package (SSOP)
  • Predesigned Applications:
    • Standard 5V to 3.3V DC-DC Converters up to 10A
    • High-Accuracy Pentium P54C VR-Spec Supply
  • Fixed Output Voltages Available:
    • 3.3V (Standard)
    • 3.45V (High-Speed Pentium™)
    • 3.6V (PowerPC™)
MAX767、MAX767R、MAX767S、MAX767T:典型应用电路
MAX767、MAX767R、MAX767S、MAX767T:典型应用电路
应用
  • 本地5V至3.3V DC-DC转换
  • 微处理器子板
  • 高达10A或更高功率的电源
数据手册DataSheet
语言下载文件备注
英文MAX767-MAX767T.pdfRev 3; 07/2000
关键参数
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingDC-DC OutputsOper. Freq.
(kHz)
Package/PinsBudgetary
Price
minmaxminmaxmaxSee Notes
MAX7674.55.53.33.6
  • 3.3
  • 3.45
  • 3.6
  • Preset
  • Resistor
10ExternalYes1350SSOP/20$3.14 @1k
开发工具
质量和环境数据
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX767CAP停止供货MAX767CAP+SSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:否
MAX767CAP+生产中SSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:无铅
MAX767CAP+T生产中SSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:无铅
MAX767CAP-T停止供货MAX767CAP+TSSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:否
MAX767EAP停止供货MAX767EAP+SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:否
MAX767EAP+生产中SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX767EAP+T生产中SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX767EAP-T停止供货MAX767EAP+TSSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:否
MAX767RCAP停止供货SSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:否
MAX767RCAP-T停止供货SSOP;20引脚0°C至+70°C参考数据资料
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX767REAP停止供货MAX767REAP+SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:否
MAX767REAP+生产中SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX767REAP+T停止供货SSOP;20引脚-40°C至+85°C参考数据资料
MAX767REAP-T停止供货SSOP;20引脚-40°C至+85°C参考数据资料
MAX767SCAP停止供货SSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:否
MAX767SCAP-T停止供货SSOP;20引脚0°C至+70°C参考数据资料
MAX767SEAP停止供货SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:否
MAX767SEAP+停止供货SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX767SEAP+T停止供货SSOP;-40°C至+85°C参考数据资料
MAX767SEAP-T停止供货SSOP;-40°C至+85°C参考数据资料
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX767TCAP停止供货SSOP,;20引脚;57.9mm²0°C至+70°CRoHS/无铅:否
MAX767TCAP-T停止供货SSOP;20引脚0°C至+70°C参考数据资料
MAX767TEAP停止供货MAX767TEAP+SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:否
MAX767TEAP+生产中SSOP,;20引脚;57.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX767TEAP+T生产中SSOP;-40°C至+85°C参考数据资料
MAX767TEAP-T停止供货MAX767TEAP+TSSOP;20引脚-40°C至+85°C参考数据资料
MAX767TEVKIT-SO停止供货KIT;-40°C至+85°C参考数据资料
MAX767-MAX767T.pdf MAX767
MAX767.pdf MAX767
典型应用电路 MAX767T