參數(shù)資料
型號(hào): MAX6651
廠商: Maxim Integrated Products, Inc.
英文描述: HEX INVERTERS 20-LCCC -55 to 125
中文描述: 風(fēng)扇轉(zhuǎn)速調(diào)節(jié)器和監(jiān)控器,帶有SMBus™/I²C兼容接口
文件頁(yè)數(shù): 2/25頁(yè)
文件大?。?/td> 315K
代理商: MAX6651
M
Fan-Speed Regulators and Monitors
with SMBus/I
2
C-Compatible Interface
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
to GND..............................................................-0.3V to +6V
FB, TACH_ ..........................................................-0.3V to +13.2V
All Other Pins..............................................-0.3V to (V
CC
+ 0.3V)
Output Voltages..........................................-0.3V to (V
CC
+ 0.3V)
Maximum Current
Into V
CC
, GND, V
OUT
...................................................100mA
Into All Other Pins ..........................................................50mA
ELECTRICAL CHARACTERISTICS
(V
CC
= 3.0V to 5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C and V
CC
= 5V.)
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.
Continuous Power Dissipation (T
A
= +70°C)
10-Pin μMAX (derate 5.6mW/°C above +70°C)..........444mW
16-Pin QSOP (derate 8.3mW/°C above +70°C)..........667mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Input Low Voltage
Input Hysteresis
Pullup Resistor
V
HYS
R
GPIO_
200
100
mV
k
Tachometer Threshold
V
TACH_
V
FB
+ 1.0
70
V
FB
+3
150
V
12V fan, 0 < V
FB
< 9V
0 < V
TACH
< 9V
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Output Source Current
TACHOMETER INPUTS
(TACH_)
I
SOURCE
50
mA
Output Sink Current
I
SINK
10
mA
Output Voltage Range
V
OUT
0.3
V
CC
- 0.3
V
V
FB
+ 0.5
V
FB
+1.5
Tachometer Input Impedance
FEEDBACK
(FB)
R
TACH_
100
k
Supply Voltage
Supply Current
OUTPUT
(OUT)
V
CC
I
CC
3.0
5.5
10
V
mA
DAC Differential Nonlinearity
Useful DAC Resolution
Feedback Input Impedance
GENERAL-PURPOSE INPUTS/OUTPUTS
(GPIO_) (Note 2)
5
8
LSB
bits
k
R
FB
70
100
150
Output Sink Current
I
GPIO_
10
mA
CONDITIONS
Guaranteed monotonicity on FB (Note 1)
Measured at FB (Note 1)
0 < VFB < 9V
V
OUT
= V
CC
- 1.8V
V
OUT
= 0.5V
I
OUT
= ±100μA
5V fan, 0 < V
FB
< 4.5V
V
GPIO_
= 0.4V
Full-on mode, I
OUT
= 0
V
0.8
V
IL(GPIO_)
Input High Voltage
V
2
3
V
CC
3.6V
V
CC
> 3.6V
V
IH(GPIO_)
POWER SUPPLY
(V
CC
)
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