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参数资料
| 型号： | AH287-YL-13 |
| 厂商： | Diodes Inc |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC HALL FAN CTRLR 500MA SOT89-5 |
| 产品变化通告： | AH28x, AH29x Lead Obsolescence 07/June/2010 |
| 标准包装： | 1 |
| 应用： | 风扇控制器，无刷（BLDC） |
| 输出数： | 2 |
| 电流 - 输出： | 400mA |
| 电源电压： | 3.8 V ~ 28 V |
| 工作温度： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-89-5/6 |
| 供应商设备封装： | SOT-89-5 |
| 包装： | 标准包装 |
| 其它名称： | AH287-YLDIDKR |
AH287
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Features
General Description
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On Chip Hall Sensor
Rotor-Locked Shutdown
Automatically Restart
Built-in Zener Protection for Output Driver
Operating Voltage: 3.8V~28V
Output Current: I O(AVE) = 400mA
Lead Free Packages: SIP-4L and SOT89-5L (Note 1)
SIP-4L and SOT89-5L: Available in “Green” Molding
Compound (No Br, Sb)
Lead Free Finish/ RoHS Compliant (Note 2)
AH287 is a monolithic fan motor controller with Hall sensor’s
capability. It contains two complementary open-drain drivers for
motor’s coil driving, automatic lock shutdown and restart function
relatively.
Rotor-lock shutdown detection circuit turns off the output driver
when the rotor is blocked to avoid coil overheat. Then, the
automatic recovery circuit will restart the motor. These protected
actions are repeated and periodic during the blocked period. Until
the blocking is removed, the motor recovers and runs normally.
Typical Application Circuit
24V
D2
287
L2
L1
D1
1
2
3
4
GND
DOB
D3
C1
48V
DO
48V
Note: The optional Capacitor C1 and Diode D3 are for power stabilization. C1 is recommended to be E-Cap., luF/25V;
D3 is recommended to be Zener Diode, V Z =27V. Which C1and D3 value need to be fine tuned to optimize
design for different coils and power suppliers.
24V Brush-Less DC Fan
AH287 Rev. 10
DS31042
1 of 11
APRIL 2010
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AH287-YLA | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:High Voltage Hall-Effect Smart Fan Motor Controller |
| AH287-YL-B | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER |
| AH287Y-P | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:High Voltage Hall-Effect Smart Fan Motor Controller |
| AH287Y-PA | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:High Voltage Hall-Effect Smart Fan Motor Controller |
| AH287Y-PL | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:High Voltage Hall-Effect Smart Fan Motor Controller |
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