ah287-y Diodes, Inc., ah287-y Datasheet - Page 3

• Manufacturer Part Number: ah287-y
• Description: High Voltage Hall-effect Smart Fan Motor Controller
• Manufacturer: Diodes, Inc.

Typical Application Circuit
Note: 3. The optional Capacitor C1 and Diode D3 are for power stabilization. C1 is recommended to be E-Cap., luF/25V; D3 is recommended to be Zener
Absolute Maximum Ratings
Note:
AH287 Rev. 4
Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Thermal Resistance
4.
Diode, V
θ
JA
Characteristics
should be confirmed with what heat sink thermal resistance. If no heat sink contacting,
Z
=27V. Which C1and D3 value need to be fine tuned to optimize design for different coils and power suppliers.
24V
D3
D1
C1
T
J
(SIP-4L)
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
DO
24V brush-less DC fan
www.diodes.com
D2
1
I
O(AVE)
(T
P
287
A
2
D
3 of 10
= 25°C)
θ
T
JA
3
A
θ
JA
4
Symbol
I
GND
SIP-4L/SOT89-5L
O(PEAK)
Topr
Vdd
Tstg
T
DOB
j
SOT89-5L
θ
JC
SIP-4L
SOT89-5L
SIP-4L
L2
Tc
θ
JA
48V
is almost the same as
-40 ~ 100
-55 ~ 150
Rating
400
700
550
800
150
227
156
30
L1
48V
CONTROLLER
©
JANUARY 2007
Diodes Incorporated
AH287
θ
JC
°C/W
°C/W
Unit
mW
mA
°C
°C
°C
.
V