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MAX1917EEE+

更新时间： 2024-11-30 13:10:27
品牌 Logo 应用领域
美信 - MAXIM 存储双倍数据速率控制器
页数 文件大小 规格书
18页 336K
描述
Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, QSOP-16

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MAX1917EEE+ 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SSOP, SSOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：6 weeks
风险等级：1.41Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：14 V
最小输入电压：4.5 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：4.89 mm湿度敏感等级：1
功能数量：1端子数量：16
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：SSOP16,.25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：1.73 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
技术：BICMOS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：30宽度：3.9 mm
Base Number Matches：1

MAX1917EEE+ 数据手册

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19-2335; Rev 1; 6/02  
Tracking, Sinking and Sourcing, Synchronous Buck  
Controller for DDR Memory and Termination Supplies  
General Description  
Features  
The MAX1917 provides a complete power-manage-  
ment solution for DDR memory. It contains a synchro-  
nous buck controller and an amplifier to generate  
o 25A Sourcing and Sinking Current  
o Automatically Sets VTT to 1/2V  
DDR  
1/2V  
voltage for VTT and VTTR. The VTT and VTTR  
DDR  
o VTT and VTTR Within 1% of 1/2V  
DDR  
voltages are maintained within 1% of 1/2V  
. The  
DDR  
o Smallest Output Capacitors  
controller operates in synchronous rectification mode to  
ensure balanced current sourcing and sinking capabili-  
ty of up to 25A. With a shutdown current of less than  
5µA, the MAX1917 is the best choice for low-power  
notebook applications, as well as servers and desktop  
computers. An all N-FET design optimizes efficiency.  
o 4.5V to 14V (or 28V with Resistor-Divider) Input  
Voltage Range  
o 1.5V to 3.6V Input DDR Range  
o 200kHz/300kHz/400kHz/550kHz Preset Switching  
The MAX1917 can also be used for generating V  
DDR  
Frequencies  
and as a general-purpose step-down controller with  
variable switching frequency as high as 1MHz with few  
additional components.  
o Variable Switching Frequency of Up to 1MHz  
o Overcurrent Protection Without Current-Sense  
The MAX1917 uses Maxim’s proprietary Quick-PWM™  
architecture for fast transient response up to 96% effi-  
ciency, and the smallest external components. Output  
current monitoring is achieved without sense resistors  
by monitoring the bottom FET’s drain-to-source voltage.  
The current-limit threshold is programmable through an  
external resistor. The MAX1917 comes in a space-sav-  
ing 16-pin QSOP package.  
Resistor  
o Internal Soft-Start  
o VTTR Reference Sources and Sinks Up to 25mA  
o Quick-PWM Control for Fastest Loop Response  
o Up to 96% Efficiency  
o 16-Pin QSOP Package  
Applications  
DDR Memory Power  
Supply  
Notebook Computers  
Desktop Computers  
Storage  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
Processor or DSP Core  
Supply  
MAX1917EEE  
-40°C to +85°C  
16 QSOP  
Networking Systems  
AGTL Bus Termination  
Supply  
Typical Operating Circuit  
V
(2.5V TO 15V)  
IN  
Quick-PWM is a trademark of Maxim Integrated Products, Inc.  
Pin Configuration  
EN/HSD  
DH  
VL  
POK  
POK  
DDR  
V+  
TOP VIEW  
V
VDDR  
OUT  
BST  
LX  
MAX1917  
EN/HSD  
DDR  
POK  
1
2
3
4
5
6
7
8
16 LX  
(4.5V TO 14V)  
15 DH  
14 BST  
13 PGND  
12 DL  
11 VL  
REF  
ILIM  
FSEL  
GND  
DL  
VTT  
MAX1917EEE  
PGND  
VTT  
VTTR  
VL  
ILIM  
FSEL  
REF  
VTTR  
10 V+  
GND  
9
VTTR  
QSOP  
________________________________________________________________ Maxim Integrated Products  
1
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...18

中文翻译

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MAX1917EEE+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX1917EEE+T MAXIM

完全替代

 Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, QSOP-16
MAX1917EEE-T MAXIM

类似代替

 Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, BICMOS, PDSO16, QSOP-16
MAX1917EEE MAXIM

功能相似

 Tracking, Sinking and Sourcing, Synchronous Buck Controller for DDR Memory and Termination

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