AH285-Y DIODES [Diodes Incorporated], AH285-Y Datasheet - Page 3

• Manufacturer Part Number: AH285-Y
• Description: HALL-EFFECT SMART FAN MOTOR CONTROLLER
• Manufacturer: DIODES [Diodes Incorporated]

Typical Application Circuit
Absolute Maximum Ratings
Note:
AH285 Rev. 2
Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Thermal Resistance
θ
JA
should be confirmed with what heat sink thermal resistance. If no heat sink contacting,
Characteristics
Notes: R1, R2: typical
The R, C value need to be fine tuned
base on coils design.
(12V)
FG
Vdd
C1, C2, C3: typical 2.2 F
12V DC Brush-less Fan with FG output function
T
J
D1
56
C3
Ω
R
HALL-EFFECT SMART FAN MOTOR CONTROLLER
www.diodes.com
pu
µ
(T
A
= 25°C)
T
A
3 of 8
1
θ
JA
D2
2
Symbol
285
I
I
O(PEAK)
3
O(AVE)
V
T
T
θ
P
Tj
opr
dd
stg
JA
D
4
θ
JC
5
GND
Coil2
R1
C1
θ
JA
Tc
is almost the same as
Coil1
R2
C2
-40 ~ 100
-55 ~ 150
Rating
500
700
800
150
156
24
©
θ
JANUARY 2007
JC
Diodes Incorporated
AH285
.
°C/W
Unit
mW
mA
°C
°C
°C
V