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ADP3204*的技术资料

来源:北京宏大博瑞科技有限公司   发布时间:2009/4/16 15:44:20   浏览点击数:309

ADP3204*的产品特征:
Pin Selectable 1-, 2-, or 3-Phase Operation
Static and Dynamic Current Sharing Characteristics
Backward Compatible to IMVP-II
Superior Load Transient Response with ADOPT®
Analog Devices’ Optimal Positioning Technology
Noise-Blanking for Speed and Stability
Synchronous Rectifier Control Extends Battery Life
Smooth Output Transition During VID Code Change
Cycle-by-Cycle Current Limiting
Hiccup or Latched Overload Protection
Transient-Glitch-Free Power Good
Soft Start Eliminates Power-On In-Rush Current Surge
Two-Level Overvoltage and Reverse Voltage Protection


ADP3204*的技术参数:
Input Supply Voltage (VCC)  . . . . . . . . . . . . . . . –0.3 V to +7 V
All Other Inputs/Outputs  . . . . . . . . . . . .–0.3 V to VCC + 0.3 V
Junction Temperature Range  . . . . . . . . . . . . . .0°C to +150°C
Junction to Air Thermal Resistance (θJA) . . . . . . . . . . . 98°C/W
Storage Temperature Range  . . . . . . . . . . .  –65°C to +150°C
Lead Temperature (Soldering, 10 sec)  . . . . . . . . . . . . . 300°C


ADP3204*的产品描述:

The ADP3204 is a 1-, 2-, or 3-phase hysteretic peak current dc-to-dc buck converter controller dedicated to power a mobile processor’s core. The optimized low voltage design is powered from the 3.3 V system supply. The nominal output voltage is set by a 5-bit VID code. To accommodate the transition time required by the newest processors, the ADP3204 features high speed operation to allow a minimized inductor size that results in the fastest change of current to the output. To further allow for the minimum number of output capacitors to be used, the ADP3204 features active voltage positioning with ADOPT  optimal compensation to ensure a superior load transient response. The output signals interface with a maximum  of three ADP3415 MOSFET drivers that are optimized for high speed and high efficiency for driving both the top and bottom MOSFETs of the buck converter. The ADP3204 is capable of controlling the synchronous rectifiers to extend battery lifetime in light load conditions.