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参数资料
| 型号： | A4491EESTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2.2A TRPL 20QFN |
| 标准包装： | 9,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 3 |
| 输出电压： | 可调至 0.8V |
| 输入电压： | 4.5 V ~ 23 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 550kHz |
| 电流 - 输出： | 2.2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-QFN（4x4） |
A4491
Revision History
Triple Output Step-Down Switching Regulator
Revision
Rev. 1
Revision Date
June 26, 2012
Description of Revision
Update I DD and undervoltage lockout
Copyright ?2008-2013, Allegro MicroSystems, LLC
Allegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required to
permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that
the information being relied upon is current.
Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for its
use; nor for any infringement of patents or other rights of third parties which may result from its use.
For the latest version of this document, visit our website:
www.allegromicro.com
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
16
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相关代理商/技术参数 |
参数描述 |
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| A4492 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Designed to provide the power supply requirements for automotive applications, the A4492 provides three high current, high performance, switching regulator outputs with independent soft start. |
| A4492EESTR-T | 功能描述:IC REG SW STEPDOWN TRPL 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:50 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:5 V ~ 25 V 输入电压:2.3 V ~ 5.5 V PWM 型:电流模式 频率 - 开关:600kHz，1.2MHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 包装:管件 供应商设备封装:8-MSOP |
| A4496T1T | 制造商:Pentair Technical Products / Hoffman 功能描述:4X4, 96 LONG TYPE 1 TROUGH Gray, 4.00x4.00x96.00, Steel |
| A44A | 制造商:RIVETS 功能描述: |
| A44CCOL | 制造商:HOFFMAN ENCLOSURES 功能描述:ENCLOSURE;STRAIGHT PEDESTAL COLUMN FOR CONSOLET;35.00X4.00X4.00;STEEL;GRAY 制造商:HOFFMAN ENCLOSURES 功能描述:CONSOLETS PEDESTAL COLUMN 制造商:Pentair Technical Products / Hoffman 功能描述:CONSOLETS PEDESTAL COLUMN; Accessory Type:Straight Pedestal Column; For Use With:Consolet enclosures, 18 x 18 in pedestal base; Body Color:Grey; Enclosure Material:Steel; External Body Height:35"; External Height:35" ;RoHS Compliant: Yes |
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