AH287-P Просмотр технического описания (PDF) - Anachip Corporation
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AH287-P Datasheet PDF : 7 Pages
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High Voltage Hall-Effect Smart Fan Motor Controller
AH287
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Thermal Resistance
IO(AVE)
PD
θjc
Symbol
VCC
SIP4/SOT89-5
IO(PEAK)
SIP4
SOT89-5
Topr
Tstg
Tj
SIP4
SOT89-5
Rating
30
400
700
550
800
-40 ~ 100
-55 ~ 150
150
227
156
Unit
V
mA
mW
°C
°C
°C
°C/W
°C/W
Electrical Characteristics (Ta = 25 °C, VCC =24V, unless otherwise specified)
Characteristics
Symbol
Conditions
Min. Typ. Max. Unit
Supply Voltage
Vcc
Operating
3.8
-
28* V
Supply current
Icc
Operating
-
2.0 4.0 mA
Output Leakage Current
Locked Protection On
Ioff
Tlrp-on
VOUT=24V
- < 0.1 10 µA
0.4 0.46 0.6 Sec
Locked Protection Off
Tlrp-off
2.4 2.76 3.6 Sec
Output saturation voltage
Output On resistance
Output Zener-breakdown Voltage
VOUT( sat )
Rds(on)
Vz
IO=200mA
IO=300mA
IO=200mA
- 450 700
mV
- 680 800
- 2.25 3.5 ohm
42
55 65
V
*Note: Please watch out the current limit issue when the operation voltage is over 26.4V, because of the different efficiency in the coil.
Magnetic Characteristics (Ta = 25 °C, VCC = 24V, unless otherwise specified)
Characteristics
Operate Point
Release Point
Hysteresis
(1mT=10 Gauss)
Symbol
Min.
Typ.
Max.
Unit
Bop
10
30
60
Gauss
Brp
-60
-30
-10
Gauss
Bhy
--
60
--
Gauss
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
3/7
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