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MAX6620ATI+T

更新时间： 2024-11-13 21:02:35
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
30页 290K
描述
Switching Regulator, CMOS, TQFN-28

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中文翻译

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MAX6620ATI+T 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HVQCCN,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：1.73模拟集成电路 - 其他类型：SWITCHING REGULATOR
最大输入电压：5.5 V最小输入电压：3 V
标称输入电压：3.3 VJESD-30 代码：S-XQCC-N28
JESD-609代码：e3长度：5 mm
湿度敏感等级：1功能数量：1
端子数量：28最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度：0.8 mm
表面贴装：YES技术：CMOS
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：5 mm
Base Number Matches：1

MAX6620ATI+T 数据手册

 浏览型号MAX6620ATI+T的Datasheet PDF文件第2页浏览型号MAX6620ATI+T的Datasheet PDF文件第3页浏览型号MAX6620ATI+T的Datasheet PDF文件第4页浏览型号MAX6620ATI+T的Datasheet PDF文件第5页浏览型号MAX6620ATI+T的Datasheet PDF文件第6页浏览型号MAX6620ATI+T的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
MAX6620  
Quad Linear Fan-Speed Controller  
General Description  
Features  
o Controls Up to Four Independent Fans With  
The MAX6620 controls the speeds of up to four fans  
using four independent linear voltage outputs. The  
drive voltages for the fans are controlled directly over  
the I2C interface. Each output drives the base of an  
external bipolar transistor or the gate of a FET in high-  
side drive configuration. Voltage feedback at the fan’s  
power-supply terminal is used to force the correct out-  
put voltage.  
Linear (DC) Drive  
o Uses Four External Low-Cost Pass Transistors  
o 1% Accuracy Precision RPM Control  
o Controlled Voltage Rate-Of-Change for Best  
Acoustics  
o I2C Bus Interface  
o 3.0V to 5.5V Supply Voltage Range  
o 250µA (typ) Operating Supply Current  
o 3µA (typ) Shutdown Supply Current  
o Small 5mm x 5mm Footprint  
The MAX6620 offers two methods for fan control. In  
RPM mode, the MAX6620 monitors four fan tachometer  
logic outputs for precise ( 1ꢀ% control of fan RPM and  
detection of fan failure. In DAC mode, each fan is dri-  
ven with a voltage resolution of 9 bits and the tachome-  
ter outputs of the fans are monitored for failure.  
The DAC_START input selects the fan power-supply  
voltage at startup to ensure appropriate fan drive when  
power is first applied. A watchdog feature turns the  
fans fully on to protect the system if there are no valid  
I2C communications within a preset timeout period.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX6620ATI+  
-40°C to +125°C  
28 TQFN-EP*  
The MAX6620 operates from a 3.0V to 5.5V power sup-  
ply with low 250µA supply current, and the I2C-compati-  
ble interface makes it ideal for fan control in a wide  
range of cooling applications. The MAX6620 is avail-  
able in a 28-pin TQFN package and operates over the  
-40°C to +125°C automotive temperature range.  
+Denotes a lead-free package.  
*EP = Exposed paddle.  
Pin Configuration  
Applications  
Consumer Products  
Servers  
TOP VIEW  
Communications Equipment  
Storage Equipment  
21 20 19 18 17 16 15  
14  
13  
TACH1 22  
TACH4  
DACFB4  
DACFB1 23  
12 DACOUT4  
24  
25  
26  
27  
28  
DACOUT1  
GND  
MAX6620  
GND  
GND  
X2  
11  
10  
9
FAN  
VCC  
+
8
X1  
FAN_FAIL  
1
2
3
4
5
6
7
Typical Application Circuit appears at end of data sheet.  
TQFN  
(5mm × 5mm × 0.8mm)  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-4039; Rev 1; 1/13  
1234567...30

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MAX6620ATI+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX6620ATI+ MAXIM

完全替代

 Quad Linear Fan-Speed Controller

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