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MAX1717EEG

更新时间： 2024-11-28 22:57:59
品牌 Logo 应用领域
美信 - MAXIM 电脑控制器
页数 文件大小 规格书
32页 499K
描述
Dynamically Adjustable, Synchronous Step-Down Controller for Notebook CPUs

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中文翻译

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MAX1717EEG 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：0.150 INCH, 0.025 INCH PITCH, MO-137AC, QSOP-24针数：24
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：8.62
其他特性：ALSO REQUIRES A BATTERY VOLTAGE FROM 2 TO 28V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：R-PDSO-G24
JESD-609代码：e0长度：8.65 mm
湿度敏感等级：1功能数量：1
端子数量：24最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP24,.24
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.73 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：1000 kHz温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：3.9 mm

MAX1717EEG 数据手册

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19-1636; Rev 0; 1/00  
Dynamically Adjustable, Synchronous  
Step-Down Controller for Notebook CPUs  
General Description  
Features  
The MAX1717 step-down controller is intended for core  
CPU DC-DC converters in notebook computers. It fea-  
tures a dynamically adjustable output, ultra-fast tran-  
sient response, high DC accuracy, and high efficiency  
needed for leading-edge CPU core power supplies.  
Maxim’s proprietary Quick-PWM™ quick-response,  
constant-on-time PWM control scheme handles wide  
input/output voltage ratios with ease and provides  
100ns “instant-on” response to load transients while  
maintaining a relatively constant switching frequency.  
ꢀ Quick-PWM Architecture  
ꢀ ±±1 ꢀ Accuracy Over Line and Load  
OUT  
ꢀ 5-Bit On-Board DAC with Input Mux  
ꢀ Precision-Adjustable ꢀ Slew Control  
OUT  
ꢀ 0.925ꢀ to 2ꢀ Output Adjust Range  
ꢀ Supports ꢀoltage-Positioned Applications  
ꢀ 2ꢀ to 28ꢀ Battery Input Range  
ꢀ Requires a Separate +5ꢀ Bias Supply  
ꢀ 200/300/550/±000kHz Switching Frequency  
ꢀ Over/Undervoltage Protection  
The output voltage can be dynamically adjusted  
through the 5-bit digital-to-analog converter (DAC)  
inputs over a 0.925V to 2V range. A unique feature of  
the MAX1717 is an internal multiplexer (mux) that  
accepts two 5-bit DAC settings with only five digital  
input pins. Output voltage transitions are accomplished  
with a proprietary precision slew-rate control† that mini-  
mizes surge currents to and from the battery while  
guaranteeing “just-in-time” arrival at the new DAC setting.  
ꢀ Drives Large Synchronous-Rectifier FETs  
ꢀ 700µA typ I  
Supply Current  
CC  
ꢀ 2µA typ Shutdown Supply Current  
ꢀ 2ꢀ ±±1 Reference Output  
High DC precision is enhanced by a two-wire remote-  
sensing scheme that compensates for voltage drops in  
the ground bus and output voltage rail. Alternatively,  
the remote-sensing inputs can be used together with  
the MAX1717’s high DC accuracy to implement a volt-  
age-positioned circuit that modifies the load-transient  
response to reduce output capacitor requirements and  
full-load power dissipation.  
ꢀ ꢀGATE Transition-Complete Indicator  
ꢀ Small 24-Pin QSOP Package  
Ordering Information  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX1717EEG  
-40°C to +85°C  
24 QSOP  
Single-stage buck conversion allows these devices to  
directly step down high-voltage batteries for the highest  
possible efficiency. Alternatively, two-stage conversion  
(stepping down the +5V system supply instead of the  
battery) at a higher switching frequency allows the mini-  
mum possible physical size.  
Minimal Operating Circuit  
BATTERY  
2.5V TO 28V  
+5V INPUT  
MAX1717  
The MAX1717 is available in a 24-pin QSOP package.  
V
V
CC  
DD  
V+  
SKP/SDN  
FBS  
Applications  
Notebook Computers with SpeedStep™ or Other  
Dynamically Adjustable Processors  
BST  
DH  
ILIM  
GNDS  
OUTPUT  
0.925V TO 2V  
2-Cell to 4-Cell Li+ Battery to CPU Core Supply  
Converters  
A/B  
REF  
5V to CPU Core Supply Converters  
LX  
DL  
TON  
CC  
D0  
D1  
D2  
D3  
D4  
Pin Configuration appears at end of data sheet.  
GND  
†
Patent pending.  
DAC  
INPUTS  
FB  
TIME  
Quick-PWM is a trademark of Maxim Integrated Products.  
SpeedStep is a trademark of Intel Corp.  
VGATE  
________________________________________________________________ Maxim Integrated Products  
±
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
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中文翻译

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MAX1717EEG 替代型号

型号 品牌 替代类型 描述 数据表
MAX1717EEG+T MAXIM

完全替代

 Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO24, 0.150 INCH, 0.025
MAX1717EEG+ MAXIM

类似代替

 Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO24, 0.150 INCH, 0.025
MAX1717EEG-T MAXIM

功能相似

 Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO24, 0.150 INCH, 0.025

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MAX1717EEG+ MAXIM

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 		Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO24, 0.150 INCH, 0.025
MAX1717EEG+T MAXIM

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 		Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO24, 0.150 INCH, 0.025
MAX1717EEG-T MAXIM

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MAX1718BEEI MAXIM

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MAX1718BEEI+ MAXIM

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 		Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO28, 0.150 INCH, 0.025
MAX1718BEEI+T MAXIM

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 		Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO28, 0.150 INCH, 0.025
MAX1718BEEIB+ MAXIM

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 		Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO28, 0.150 INCH, 0.025

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