Diodes AH284 - Manual (Page 3)

AH284
HALL-EFFECT SMART FAN MOTOR CONTROLLER
AH284
Document number: DS31051 Rev. 11 - 2
3 of 10
www.diodes.com
June 2010
© Diodes Incorporated
Absolute Maximum Ratings (T
A
= 25
°C)
Symbol Characteristics Rating Unit
Vdd Supply Voltage 24 V
I
O
Output Current
I
O (AVE)
SIP-4L 500 mA
SOT89-5L 500 mA
I
O (PEAK)
700 mA
P
D
Power Dissipation
SIP-4L 550 mW
SOT89-5L 800 mW
T
ST
Storage Temperature -55 ~ 150
°C
T
J
Maximum Junction Temperature 150 °C
θ
JA
Thermal Resistance Junction to
Case (Note 2) SIP-4L 227
°C/W
SOT89-5L 156
°C/W
T J
T A
Tc
JC
θ
JA
θ
Notes: 2. θ
JA
should be confirmed with heat sink thermal resistance. If there is no heat sink contact, θ
JA
will almost be the same as θ
JC
..
Recommended Operating Conditions
Symbol Characteristic Conditions Min Max Unit
Vdd Supply Voltage Operating 3.8 20 V
T
A
Operating Ambient Temperature Operating -40 100
°C