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AH280A-SPLAB Datasheet(PDF) 3 Page - Anachip Corp

Part # AH280A-SPLAB
Description  Hall-Effect Smart Fan Driver
PDF  7 Pages
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Manufacturer  ANACHIP [Anachip Corp]
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Logo ANACHIP - Anachip Corp

AH280A-SPLAB Datasheet(HTML) 3 Page - Anachip Corp

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AH280
Hall-Effect Smart Fan Driver
Anachip Corp.
www.anachip.com.tw
Rev. 0.7 Apr 16, 2004
3/7
Absolute Maximum Ratings (T
A = 25°C)
Characteristics
Symbol
Rating
Unit
Operating Supply Voltage
VCC
20
V
IO (AVE)
500
Output Current
IO (PEAK)
800
mA
SIP-5L / SOP-8L
550
Power Dissipation
PD
SOP-8L EP
1000
mW
Operating Temperature
TOPR
-20~85
°C
Storage Temperature
TSTG
-55~150
°C
DO(DOB) Vceo D.C. Voltage
Vceo
40
Vdc
Electrical Characteristics (T
A=25°C, VCC=12V, CT=1
µF)
Characteristics
Symbol
Test Conditions
Min, Typ.
Max.
Unit
Internal Zener-protected Voltage
VZ
-
-
46
-
V
VCC=5V
Output1 “ON”
10
15
20
Quiescent current
IQ
VCC=12V
Output1 “ON”
10
17
20
mA
IO=0.2A, TJ=25°C
-
0.4
-
IO=0.4A, TJ=25°C
-
0.6
-
Output saturation voltage
DO
DOB
IO=0.5A, TJ=25°C
-
0.7
-
V
Charge current
ICHG
-
-
2.4
-
µA
Discharge current
IDHG
-
-
0.5
-
µA
VCL
Clamp Voltage
-
2.0
-
Limiting voltage
VCP
Comparator Voltage
-
1.0
-
V
On time
TON
CT=.47µF
-
250
-
ms
Automatic
self-rotation
recovery
circuit
Duty ratio
DR
TOFF / TON
3
5
7
-
Magnetic Characteristics
(1mT = 10 Gauss)
A grade
TA= -20°C to +85°C
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Operate Point
BOP
10
-
60
G
Release Point
BRP
-60
-
-10
G
Hysteresis
BHYS
-
100
-
G
B grade
TA= -20°C to +85°C
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Operate Point
BOP
10
-
80
G
Release Point
BRP
-80
-
-10
G
Hysteresis
BHYS
-
100
-
G



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