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MAX8797GTI+

更新时间： 2024-11-12 02:45:11
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关
页数 文件大小 规格书
4页 75K
描述
1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers

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中文翻译

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MAX8797GTI+ 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：4 X 4 MM, ROHS COMPLIANT, TQFN-28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.79
其他特性：ALSO OPERATES IN PFM CONTROL TECHNIQUE模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：4.5 V
标称输入电压：5 VJESD-30 代码：S-XQCC-N28
长度：4 mm功能数量：1
端子数量：28最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC28,.16SQ,16
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：600 kHz技术：BICMOS
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.4 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4 mm
Base Number Matches：1

MAX8797GTI+ 数据手册

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MAX8796, MAX8797, MAX17401  
1-Phase, Quick-PWM Intel IMVP-6/GMCH Controllers  
1-Phase, Intel IMVP-6/6+ Controllers Ideal for Atom CPU and UMPC Designs  
Overview  
Technical Documents  
Ordering Info  
Related Products  
User Comments (0)  
All  
Status  
Data Sheet  
Request Full Data Sheet  
Custom Order  
Part Number  
MAX17401  
MAX8796  
Status  
Active: In Production.  
Active: In Production.  
MAX8797  
Custom Order: Minimum order quantities and other restrictions may apply.  
Description  
The MAX8796/MAX8797/MAX17401 are 1-phase Quick-PWM™ step-down VID power-supply controllers for Intel  
notebook CPUs and graphics. The Quick-PWM control provides instantaneous response to fast load current  
steps. Active voltage positioning reduces power dissipation and bulk output capacitance requirements and allows  
ideal positioning compensation for tantalum, polymer, or ceramic bulk output capacitors.  
The MAX8796/MAX8797/MAX17401 are intended for two different notebook CPU/GPU core applications: either  
bucking down the battery directly to create the core voltage, or else bucking down the +5V system supply. The  
single-stage conversion method allows this device to directly step down high-voltage batteries for the highest  
possible efficiency. Alternatively, 2-stage conversion (stepping down the +5V system supply instead of the  
battery) at higher switching frequency provides the minimum possible physical size.  
A slew-rate controller allows controlled transitions between VID codes. A thermistor-based temperature sensor  
provides programmable thermal protection. A power monitor provides an analog voltage output proportional to the  
power consumed by the CPU/GPU.  
The MAX8796/MAX17401 implement both the Intel IMVP-6 CPU core specifications, as well as the Intel GMCH  
graphics core specifications. The MAX8797 implements the Intel GMCH graphics core specifications. The  
MAX8796/MAX17401 are available in a 32-pin TQFN package. The MAX8797 is available in a 28-pin TQFN  
package.  
Key Features  
Applications/Uses  
1-Phase Quick-PWM Controllers  
2 to 4 Lithium-Ion (Li+) Cell Battery-  
to-CPU Core Supply Converters  
±0.5% V  
Accuracy Over Line, Load, and Temperature  
OUT  
Graphics Core Power Supply  
IMVP-6/IMVP-6+ Core Power Supply  
Intel GMCH Crestline/Cantiga  
Notebooks/Desktops/Servers  
7-Bit IMVP-6 DAC (MAX8796/MAX17401 Only)  
5-Bit GMCH DAC  
Active Voltage Positioning with Adjustable Gain  
Accurate Droop and Current Limit  
Remote Output and Ground Sense  
Adjustable Output-Voltage Slew Rate  
Power-Good Window Comparator  
Power Monitor  
Voltage-Positioned Step-Down  
Converters  
Temperature Comparator  
Drives Large Synchronous Rectifier FETs  
2V to 26V Power Input Range  
Adjustable Switching Frequency (600kHz max)  
Output Overvoltage Protection (MAX8796/MAX8797 Only)  
Undervoltage and Thermal-Fault Protection  
Soft-Startup and Soft-Shutdown  
Internal Boost Diodes  
1234

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