ah291 Diodes, Inc., ah291 Datasheet - Page 5

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

Magnetic Characteristics
Operating Characteristics
Performance Characteristics
AH291 Rev. 2
Operation Point
Release Point
Hysteresis
Characteristics
P
P
P d (m W )
T
T
d
d
a
a
(mW)
(mW)
(°C)
(°C)
R P
O N
M a g n e tic F lu x D e n s ity in G a u s s
B rp
6 0 0
5 0 0
4 0 0
3 0 0
2 0 0
1 0 0
DOB
0
0
0
550
105
198
25
1 2
1 0
8
6
4
2
B o p
2 5
440
110
176
50
( T
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
Symbol
O F F
O P
V S A T
P o w e r D is s ip a tio n C u rve
www.diodes.com
A
Bop
Bhy
Brp
= 25 °C, V
( SIP-4L )
396
115
154
5 of 10
60
5 0
CC
352
120
132
70
Min.
-60
= 24V, unless otherwise specified )
--
--
7 5
V S A T
308
125
110
O F F
80
R P
M a g n e tic F lu x D e n s ity in G a u s s
Typ.
1 0 0
-30
30
60
B rp
286
130
85
88
0
DO
1 2
1 0
8
6
4
2
1 2 5
264
135
90
66
Max.
B o p
60
--
--
T a (°C )
O P
O N
( 1mT = 10 Gauss )
242
140
CONTROLLER
95
44
1 5 0
DECEMBER 2006
©
Diodes Incorporated
AH291
Gauss
Gauss
Gauss
100
220
150
Unit
0