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MAX8664AEEP+

更新时间： 2024-02-24 12:53:39
品牌 Logo 应用领域
美信 - MAXIM 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
页数 文件大小 规格书
26页 350K
描述
Low-Cost, Dual-Output, Step-Down Controller with Fast Transient Response

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中文翻译

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MAX8664AEEP+ 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, SSOP20,.25针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.67
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER控制模式：VOLTAGE-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 V
JESD-30 代码：R-PDSO-G20JESD-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：20
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：SSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
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
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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX8664AEEP+ 数据手册

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19-0796; Rev 0; 4/07  
Low-Cost, Dual-Output, Step-Down  
Controller with Fast Transient Response  
MAX864  
General Description  
Features  
The MAX8664 dual-output PWM controller is a low-cost,  
high-performance solution for systems requiring dual  
power supplies. It provides two individual outputs that  
operate 180° out-of-phase to minimize input current  
ripple, and therefore, capacitance requirements. Built-in  
drivers are capable of driving external MOSFETs to  
deliver up to 25A output current from each channel.  
The MAX8664 operates from a 4.5V to 28V input volt-  
age source and generates output voltages from 0.6V  
up to 90% of the input voltage on each channel. Total  
output regulation error is less than 0.8% over load,  
line, and temperature.  
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The MAX8664 operates with a constant switching fre-  
quency adjustable from 100kHz to 1MHz. Built-in boost  
diodes reduce external component count. Digital soft-  
start eliminates input inrush current during startup. The  
second output has an optional external REFIN2, facili-  
tating tracking supply applications. Each output is  
capable of sourcing and sinking current, making the  
device a great solution for DDR applications.  
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Ordering Information  
PIN-  
PꢀCKꢀGE  
PKG  
C DE  
E20-1  
FꢀUꢃT  
ꢀCTI N  
The MAX8664 employs Maxim’s proprietary peak volt-  
age-mode control architecture that provides superior  
transient response during either load or line transients.  
This architecture is easily stabilized using two resistors  
and one capacitor for any type of output capacitors. Fast  
transient response requires less output capacitance,  
consequently reducing total system cost. The MAX8664B  
latches off both controllers during a fault condition, while  
the MAX8664A allows one controller to continue to func-  
tion when there is a fault in the other controller.  
PꢀRT  
MꢀX.664ꢀEEP+  
MꢀX.664BEEP+  
20 QSOP  
Independent  
20 QSOP  
E20-1  
Joint  
NLuv: This device operates over the -40°C to +85°C operating  
temperature range.  
+Denotes lead-free package.  
Typical Operating Circuit  
IN2  
VL  
IN  
Applications  
ILIM2  
ILIM1  
IN1  
Desktop and Notebook PCs  
OUT2  
OUT1  
Graphic Cards  
DH1  
DH2  
BST2  
BST1  
ASIC/CPU/DSP Power Supplies  
Set-Top Box Power Supply  
Printer Power Supply  
Network Power Supply  
POL Power Supply  
LX1  
LX2  
DL2  
DL1  
MAX8664  
GND  
FB2  
PGND  
FB1  
PWRGD  
REFIN2  
OSC/EN12  
V
CC  
Pꢅꢄ%CLꢄfꢅgOꢁruꢅLꢄ%rttvrꢁs%ru%vꢄa%Lf%arur%shvvu0  
________________________________________________________________ Mrxꢅm%Iꢄuvgꢁruva%PꢁLaOAus  
1
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1234567...26

中文翻译

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