AH280
Hall-Effect Smart Fan Driver
Absolute Maximum Ratings
Characteristics
Operating Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
DO(DOB) Vceo D.C. Voltage
P
D
(T
A
= 25°C)
Symbol
V
CC
I
O (AVE)
I
O (PEAK)
SIP-5L / SOP-8L
SOP-8L EP
T
OPR
T
STG
Vceo
Rating
20
500
800
550
1000
-20~85
-55~150
40
Unit
V
mA
mW
°C
°C
Vdc
Electrical Characteristics
Characteristics
Internal Zener-protected Voltage
Quiescent current
(T
A
=25°C, V
CC
=12V, C
T
=1µF)
Symbol
V
Z
I
Q
Output saturation voltage
Charge current
Discharge current
Limiting voltage
On time
Duty ratio
DO
DOB
I
CHG
I
DHG
V
CL
V
CP
T
ON
D
R
Automatic
self-rotation
recovery
circuit
Test Conditions
-
V
CC
=5V
Output1 “ON”
V
CC
=12V
Output1 “ON”
I
O
=0.2A, T
J
=25°C
I
O
=0.4A, T
J
=25°C
I
O
=0.5A, T
J
=25°C
-
-
Clamp Voltage
Comparator Voltage
C
T
=.47µF
T
OFF
/ T
ON
Min, Typ.
-
46
10
10
-
-
-
-
-
-
-
-
3
15
17
0.4
0.6
0.7
2.4
0.5
2.0
1.0
250
5
Max.
-
20
Unit
V
mA
20
-
-
-
-
-
-
-
-
7
V
µA
µA
V
ms
-
Magnetic Characteristics
(1mT = 10 Gauss)
A grade
Characteristics
Operate Point
Release Point
Hysteresis
B grade
Characteristics
Operate Point
Release Point
Hysteresis
Symbol
B
OP
B
RP
B
HYS
Symbol
B
OP
B
RP
B
HYS
T
A
= -20°C to
Min.
Typ.
10
-
-60
-
-
100
T
A
= -20°C to
Min.
Typ.
10
-
-80
-
-
100
+85°C
Max.
60
-10
-
+85°C
Max.
80
-10
-
Unit
G
G
G
Unit
G
G
G
Anachip Corp.
www.anachip.com.tw
3/7
Rev. 0.7 Apr 16, 2004
ANACHIP [ ANACHIP CORP ]
