参数资料
型号: AH337-WL-7
厂商: Diodes Inc
文件页数: 1/9页
文件大小: 158K
描述: IC HALL SWITCH 1PH 25MA SC59-3
标准包装: 1
传感范围: 150G 跳闸,30G 释放
类型: 单极开关
电源电压: 4.2 V ~ 28 V
电流 - 电源: 4mA
电流 - 输出(最大): 25mA
输出类型: 数字式,开漏极
特点: 稳压电压
工作温度: -40°C ~ 125°C
封装/外壳: TO-236-3,SC-59,SOT-23-3
供应商设备封装: SC-59-3
包装: 标准包装
产品目录页面: 1133 (CN2011-ZH PDF)
其它名称: AH337-WLDIDKR
 
AH337
SINGLE PHASE HALL EFFECT SWITCH
 
AH337  
Document number: DS31050 Rev. 9 - 2 
1 of 9
www.diodes.com
July 2010
?Diodes Incorporated 
Description 
 
AH337 is an unipolar Hall-Effect sensor for contactless
switching applications. The device includes an on-chip Hall
voltage generator for magnetic sensing, an amplifier that
amplifies the Hall voltage, a Schmitt trigger to provide
switching hysteresis for noise rejection, and an open-collector
output. The band-gap regulator allows a wide operating
voltage range.
 
When the magnetic flux density (B) is larger than operate
point (Bop), output is switched on (OUT pin is pulled low).
The output state is held on until a magnetic flux density falls
below Brp. When B is less than Brp, the output is switched
off.
 
The AH337 is available in SIP-3L and SC59 packages.
 
Features 
 
"    Unipolar Hall-Effect sensor
"    4.2V to 28V DC operating voltage
"    Temperature compensation
"    Open drain pre-driver
"    25mA maximum output sink current
"    Operating temperature: -40癈 to +125癈
"    SIP-3L and SC59 packages
  (SC59 is commonly known as SOT23 in Asia)
"     Green Molding Compound (No Br, Sb) (Note 1)
 
Pin Assignments 
 
(Top View)
1.
Vdd
2. GND
3.
OUT
SIP-3L
 
 
1. Vdd
GND 2.
3. OUT
(Top View)
SC59
 
 
Applications 
 
"    VCD/DVD Loader, CD/DVD ROM
"    Cover Detector
"    Speed Measurement
"    Home Appliances
"    Home Safety
 
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
  http://www.diodes.com/products/lead_free.html.
 
Typical Application Circuit 
 
AH337
4.2V ~ 28 V
 Output
Vdd
GND
L
R
 
 
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