AH291 Просмотр технического описания (PDF) - Anachip Corporation
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AH291 Datasheet PDF : 9 Pages
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Low Voltage Hall-Effect Smart Fan Motor Controller
AH291
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Output Zener-breakdown Voltage
Operating Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Symbol
Vz
VCC
IO(AVE)
IO(PEAK)
SIP4
PD
SOT23-5
SOT89-5
Topr
Tstg
Tj
Rating
38
8
400
700
550
230
800
-20 ~ 100
-55 ~ 150
150
Unit
V
V
mA
mW
°C
°C
°C
Electrical Characteristics (Ta = 25 °C, VCC = 5V, unless otherwise specified)
Characteristics
Supply Voltage
Supply current
Lock Protection On
Lock Protection Off
Output saturation voltage
Output On resistance
Symbol
Vcc
I cc
Tlrp-on
Tlrp-off
VOUT( sat )
Rds(on)
Conditions
Operating
Operating
IO=180mA
IO=350mA
Min. Typ. Max. Unit
1.8
- 5.75 V
-
2.6 4.0 mA
-
0.4
-
Sec
2.4 3 3.6 Sec
- 300 -
mV
- 600 -
- 1.75 - ohm
Magnetic Characteristics (Ta = 25 °C, VCC = 5V, unless otherwise specified)
Characteristics
Operate Point
Release Point
Hysteresis
(1mT=10 Gauss)
Symbol
Min.
Typ.
Max.
Unit
Bop
--
30
Brp
-60
-30
Bhy
--
60
60
Gauss
--
Gauss
--
Gauss
Anachip Corp.
www.anachip.com.tw
Rev 0.6 Jan 27, 2005
3/9
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