AH5798
SINGLE PHASE HALL EFFECT LATCH SMART
FAN MOTOR CONTROLLER
AH5798
Document number: DS32001 Rev. 2 - 2
4 of 11
www.diodes.com
June 2010
© Diodes Incorporated
Soft Switching
AH5798 employs soft switching of output drive at commutation to reduce audible noise and EMI for low noise
applications.
Vdd
GND
Vout 1
Vout 2
100µs typ.
Absolute Maximum Ratings (T
A
= 25°C, unless otherwise noted)
Symbol Parameter Rating Unit
Vdd Supply voltage 6 V
I
O(PEAK)
Maximum Output Current (Peak) 800 mA
P
D
Power Dissipation
SOT89-5L 800 mW
TSOT25 520 mW
T
ST
Storage Temperature Range -65 ~ 150
o
C
θ
JA
Thermal Resistance Junction-to-Ambient
(Note 5)
SOT89-5L 156
o
C/W
TSOT25 240
o
C/W
TJ
TA
Tc
JC
JA
Notes: 5. 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 (T
A
= 25°C)
Symbol
Parameter Conditions Min Max Unit
Vdd Supply Voltage Operating 1.8 5.5 °C
T
A
Operating Ambient Temperature Range Operating -40 105 V
