AH287 View Datasheet(PDF) - Diodes Incorporated.
Part Name
Description
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AH287 Datasheet PDF : 11 Pages
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AH287
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Absolute Maximum Ratings (TA = 25°C)
Symbol
Vdd
IO
PD
TST
TJ
θJA
Supply Voltage
Characteristics
Output Current
Power Dissipation
Storage Temperature
Maximum Junction Temperature
Thermal Resistance Junction-to-Case
(Note 5)
IO(AVE)
IO(PEAK)
SIP-4L
SOT89-5L
SIP-4L
SOT89-5L
SIP-4L
SOT89-5L
Rating
30
400
400
700
550
800
-55 ~ 150
150
227
156
Unit
V
mA
mA
mA
mW
mW
°C
°C
°C/W
°C/W
TA
TJ
Tc
θ JA
θ JC
Notes: 5. θJA should be confirmed with what heat sink thermal resistance. If no heat sink contacting, θJA is almost the same as θJC..
Recommended Operating Conditions
Symbol
Characteristic
Conditions
Min
Max
Vdd
Supply Voltage (Note 6)
Operating
3.8
28
TA
Operating Ambient Temperature
Operating
-40
100
Notes: 6. Please watch out the current limit issue when the operation voltage is over 26.4V, because of the different efficiency in the coil.
Unit
V
°C
AH287 Rev. 10
DS31042
4 of 11
www.diodes.com
APRIL 2010
© Diodes Incorporated
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