ADM1033(2012) Просмотр технического описания (PDF) - ON Semiconductor
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ADM1033 Datasheet PDF : 35 Pages
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ADM1033
ADM1033
DRIVE 1
RPM FAN
SPEED
CONTROLLER
MANUAL FAN
SPEED CONTROL
REGISTERS
TEMPERATURE
TO FAN SPEED
LOOK-UP TABLE
ENHANCE
ACOUSTICS
VCC
6
SMBUS
ADDRESS
SERIAL BUS
INTERFACE
ADDRESS
POINTER
REGISTER
STATUS
REGISTER
ALERT MASK
REGISTERS
THERM
LIMIT
COMPARATOR
FAULT
QUEUE
TACH 2
SIGNAL
CONDITIONING
LOCATION 13
REF 8
D− 9
D+ 10
SRC
BLOCK
NC 11
NC 12
BAND GAP
TEMPERATURE
SENSOR
ANALOG
MULTIPLEXER
NC = NO CONNECT
FAN
SPEED
COUNTER
ADC
BAND GAP
REFERENCE
VALUE AND
LIMIT
REGISTERS
FAULT
QUEUE
HYSTERESIS
REGISTERS
OFFSET
REGISTERS
CONVERSION
RATE
REGISTER
5
GND
CONFIGURATION
REGISTERS
THERM PERCENT
TIMER
Figure 1. Functional Block Diagram
16 SCL
15 SDA
8 FAN_FAULT
3 ALERT Comp
14 SMBusALERT
7 THERM
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (VCC)
Voltage on Any Input or Output Pin except FAN_FAULT and LOCATION
Voltage on FAN_FAULT (Note 1)
Voltage on LOCATION
Input Current at Any Pin
−0.3, +6.5
V
−0.3 to VDD + 6.5
V
VCC
VCC + 0.3
V
20
mA
Maximum Junction Temperature (TJ MAX)
Storage Temperature Range
150
C
−65 to +150
C
Lead Temperature, Soldering (10 s)
300
C
IR Reflow Peak Temperature
220
C
ESD Rating − All Pins
1500
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. During powerup the voltage on FAN_FAULT should not be higher than VCC.
NOTE: This device is ESD sensitive. Use standard ESD precautions when handling.
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