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参数资料
| 型号： | AH291-PL-B |
| 厂商： | Diodes Inc |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC HALL FAN CTRLR 400MA SIP-4 |
| 标准包装： | 1,000 |
| 应用： | 风扇控制器，无刷（BLDC） |
| 输出数： | 2 |
| 电流 - 输出： | 400mA |
| 电源电压： | 1.8 V ~ 5.75 V |
| 工作温度： | -20°C ~ 100°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 4-SIP |
| 供应商设备封装： | 4-SIP |
| 包装： | 散装 |
| 其它名称： | AH291-PL-BDI |
AH291
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Absolute Maximum Ratings (T A = 25 ° C)
Symbol
Vdd
Characteristics
Operating Supply Voltage
Rating
8
Unit
V
I O
Output Current
I O(AVE)
SIP-4L
SOT89-5L
400
400
mA
mA
I O(PEAK)
700
mA
P D
T ST
T J
Power Dissipation
Storage Temperature
Maximum Junction Temperature
SIP-4L
SOT89-5L
550
800
-55 ~ 150
150
mW
mW
° C
° C
Recommended Operating Conditions
Symbol
Vdd
T A
Characteristic
Supply Voltage (Note 2)
Operating Ambient Temperature
Conditions
Operating
Operating
Min
1.8
-20
Max
5.75
100
Unit
V
° C
Notes:
2. The output of IC will be switched after the supply voltage is over 1.8V, but the magnetic characteristics won't be normal until the
supply is over 2.0V.
Electrical Characteristics (T A = 25 ° C, Vdd = 5V, unless otherwise specified)
Symbol
Idd
T RLP-ON
T RLP-OFF
V OUT ( SAT )
R DS(ON)
Vz
Characteristics
Supply Current
Rotor Lock Protection On Time
Rotor Lock Protection Off Time
Output Saturation Voltage
Output On Resistance
Output Zener-Breakdown Voltage
Conditions
Operating
I O = 180mA
I O = 350mA
Min
-
-
2.4
-
-
-
-
Typ.
2.6
0.4
3
300
600
1.75
15
Max
4.0
-
3.6
-
-
-
-
Unit
mA
Sec
Sec
mV
mV
ohm
V
Truth Table
IN-
H
L
-
IN+
L
H
-
CT
L
L
H
OUT1
H
L
off
OUT2
L
H
off
Mode
Rotating
Rotating
Lockup protection activated
AH291
Document number: DS31041 Rev. 8 - 2
3 of 9
June 2010
? Diodes Incorporated
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