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MAX1717EEG+T

更新时间： 2024-11-29 20:06:19
品牌 Logo 应用领域
美信 - MAXIM 开关光电二极管
页数 文件大小 规格书
33页 447K
描述
Switching Controller, Current-mode, 1000kHz Switching Freq-Max, PDSO24, 0.150 INCH, 0.025 INCH PITCH, LEAD FREE, MO-137AC, QSOP-24

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MAX1717EEG+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：SSOP, SSOP24,.24针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.63
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：e3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）：260认证状态：Not Qualified
座面最大高度：1.75 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：Matte Tin (Sn)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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX1717EEG+T 数据手册

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19-1636; Rev 3; 8/05  
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  
♦ ꢀGATE Transition-Complete Indicator  
♦ Small 24-Pin QSOP Package  
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.  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
24 QSOP  
MAX1717EEG  
MAX1717EEG+  
24 QSOP  
+ Denotes lead-free package.  
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  
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 pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...33

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MAX1717EEG+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1717EEG+ MAXIM

完全替代

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

完全替代

 Dynamically Adjustable, Synchronous Step-Down Controller for Notebook CPUs
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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