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MAX31790 PDF预览

MAX31790

更新时间: 2024-01-27 22:19:27
品牌 Logo 应用领域
美信 - MAXIM 风扇控制器
页数 文件大小 规格书
43页 2219K
描述
6-Channel PWM-Output Fan RPM Controller

MAX31790 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:8542.31.00.01
Factory Lead Time:7 weeks风险等级:1.52
Is Samacsys:N模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:S-XQCC-N28长度:4 mm
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
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:0.8 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
温度等级:AUTOMOTIVE端子形式:NO LEAD
端子节距:0.4 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

MAX31790 数据手册

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MAX31790  
6-Channel PWM-Output Fan RPM Controller  
ABSOLUTE MAXIMUM RATINGS  
Voltage Range on V , SDA, SCL, ADD0, ADD1,  
Continuous Power Dissipation (T = +70NC)  
CC  
A
FAN_FAIL, PWMOUTn Relative to GND...........-0.3V to +6.0V  
Voltage Range on TACHn, WD_START, SPIN_START,  
FREQ_START, CLKOUT, FULL_SPEED,  
TDFN (derate 20.8 mW/NC above +70NC).............1666.7 mW  
Operating Temperature Range........................ -40NC to +125NC  
Storage Temperature Range............................ -65NC to +150NC  
Junction Temperature .....................................................+150NC  
ESD Protection (All Pins, HBM) (Note 1)........................ Q2000V  
Lead Temperature (soldering, 10s) ................................+300NC  
Soldering Temperature (reflow) ......................................+260NC  
PWM_STARTn Relative to GND ..............-0.3V to V  
+ 0.3V  
CC  
(not to exceed +6.0V)  
Input Current at Any Pin.................................................... +5mA  
Package Input Current.................................................... +20mA  
Note 1: Human Body Model, 100pF discharged through a 1.5kω resistor.  
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-  
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute  
maximum rating conditions for extended periods may affect device reliability.  
RECOMMENDED OPERATING CONDITIONS  
(T = -40°C to +125°C, unless otherwise noted.) (Notes 2, 3)  
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
Operating Supply Voltage  
V
3.0  
3.3  
5.5  
V
CC  
V
CC  
0.7  
x
Input High Voltage  
Input Low Voltage  
V
V
V
IH  
V
CC  
0.3  
x
V
IL  
ELECTRICAL CHARACTERISTICS  
(T = -40°C to +125°C, typical values are V  
= 3.3V, T = +25°C, unless otherwise noted.) (Notes 2, 3)  
A
A
CC  
PARAMETER  
SYMBOL  
CONDITIONS  
< 3.6V  
MIN  
TYP  
1.5  
2.5  
2
MAX  
UNITS  
3.0V < V  
4.5V < V  
3
8
Quiescent Supply Current  
(Note 4)  
CC  
I
mA  
CC  
< 5.5V  
CC  
POR Threshold  
V
V
s
POR  
Watchdog Timer Accuracy  
f
I
I
= 32.768kHz (Note 5)  
-0.5  
+0.5  
0.4  
TOSC  
Output Low Voltage (SDA, FAN_  
FAIL, PWMOUTn, CLKOUT)  
= 3mA  
V
OL  
Output High Voltage (CLKOUT)  
XTAL1 Input Threshold  
Input Leakage  
= 1mA, V  
= 3.0V  
2.7  
-1  
V
V
OH  
CC  
0.85  
5
I
(Note 6)  
All digital inputs  
+1  
FA  
pF  
L
Input Capacitance  
Maxim Integrated  
2

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