ah291 Diodes, Inc., ah291 Datasheet - Page 6

• Manufacturer Part Number: ah291
• Description: Low Voltage Hall-effect Smart Fan Motor Controller
• Manufacturer: Diodes, Inc.

Performance Characteristics
Performance Characteristics
AH291 Rev. 2
P d ( m W )
P d (m W )
P
T
P
P
d
T
a
T
d
d
d
d
(mW) 230
(°C)
(mW)
(mW)
(°C)
(°C)
9 0 0
8 0 0
7 0 0
6 0 0
5 0 0
4 0 0
3 0 0
2 0 0
1 0 0
3 0 0
2 0 0
1 0 0
0
25
0
0
0
800
105
288
25
184
50
640
110
256
50
2 5
166
60
2 5
147
P o w e r D is s ip a tio n C u rv e
576
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
115
224
P o w e r D is s ip a tio n C u r v e
70
60
www.diodes.com
( SOT25 )
( SOT89-5L ) ( Continued )
5 0
6 of 10
129
5 0
80
512
120
192
70
110
90
480
160
125
75
7 5
7 5
100
92
448
130
128
80
110
74
1 0 0
416
135
1 0 0
85
96
120
55
384
140
90
64
130
37
1 2 5
1 2 5
140
352
145
18
95
32
CONTROLLER
DECEMBER 2006
©
T a (°C )
Diodes Incorporated
AH291
1 5 0
150
T a ( ° C )
100
320
0
150
0
1 5 0