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| 型号： | MAX6661AEE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/19页 |
| 文件大小： | 257K |
| 描述： | IC REG FAN SPEED 16-QSOP |
| 标准包装： | 2,500 |
| 功能： | 风扇控制，温度监控器 |
| 传感器类型： | 外部 |
| 感应温度： | 外部传感器 |
| 精确度： | ±5°C（最小值） |
| 拓扑： | ADC，比较器，风扇控制，多路复用器，寄存器库 |
| 输出类型： | SPI? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
Remote Temperature-Controlled Fan-Speed
Regulator with SPI-Compatible Interface
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= 3V to 5.5V, V
FAN
= 12V, T
A
= -40癈 to +125癈, unless otherwise specified. Typical values are at V
CC
= 3.3V and T
A
=
+25癈.) (Notes 1 and 2)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation 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.
V
CC
, ALERT, OVERT ...............................................-0.3V to +6V
V
FAN
, TACH IN, FAN .............................................-0.3V to +16V
DXP, CS, SDOUT, GAIN, SCL, SDIN..........-0.3V to (V
CC
+ 0.3V)
DXN ..........................................................................-0.3V to +1V
SDOUT Current...................................................-1mA to +50mA
DXN Current ......................................................................?mA
FAN Out Current ..............................................................500mA
Continuous Power Dissipation (T
A
= +70癈)
16-Pin QSOP (derate 8.3mW/癈 above +70癈)...........667mW
Operating Temperature Range ........................ -40癈 to +125癈
Junction Temperature .....................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Lead Temperature (soldering, 10s) ................................+300癈
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC AND POWER SUPPLY
0.125
癈
Temperature Resolution
(Note 3)
11
Bits
T
RJ
= +60癈 to +100癈
-1
+1
癈
T
RJ
= +25癈 to +125癈
-3
+3
癈
Remote-Junction Temperature
Measurement Error (Note 4)
T
E
T
A
= +85癈,
V
CC
= 3.3V
T
RJ
= -40癈 to +125癈
-5
+5
癈
Fan-Speed Measurement
Accuracy
?5
%
V
CC
Supply Voltage Range
V
CC
3.0
5.5
V
V
FAN
Supply Voltage Range
V
FAN
4.5
13.5
V
Conversion Time
0.25
s
Conversion Rate Timing Error
-25
+25
%
Undervoltage Lockout (UVLO)
Threshold
V
UVLO
V
CC
falling
2.50
2.80
2.95
V
UVLO Threshold Hysteresis
V
HYST
90
mV
POR Threshold (V
CC
)
V
CC
rising
1.4
2.0
2.5
V
POR Threshold Hysteresis
90
mV
Standby Supply Current
I
SHDN
Shutdown, configuration bit 6 = 1
3
20
礎
Operating Supply Current
I
CC
Fan off
450
700
礎
DXN Source Voltage
V
DXN
0.7
V
TACH Input Transition Level
V
FAN
= 12V
10.5
V
TACH Input Hysteresis
V
FAN
= 12V
190
mV
TACH Input Resistance
250
k&
Fan Output Current
I
F
250
mA
Fan Output Current Limit
I
L
(Note 5)
320
410
mA
Fan Output On-Resistance
R
ONF
250mA load
4
&
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