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CM2026IP PDF预览

CM2026IP

更新时间: 2024-11-06 06:48:07
品牌 Logo 应用领域
虹冠电子 - CHAMP 开关功率控制
页数 文件大小 规格书
7页 234K
描述
DUAL USB POWER CONTROL SWITCH

CM2026IP 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.76
Is Samacsys:NBase Number Matches:1

CM2026IP 数据手册

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CM2026  
DUAL USB POWER CONTROL SWITCH  
GENERAL DESCRIPTION  
FEATURES  
The CM2026 is a dual integrated high-side power switch with ꢀ  
Compliant to USB specifications  
independent enable and flag functions, optimized for  
UL Recognized Component  
self-powered and bus-powered Universal Serial Bus (USB) ꢀ  
2 independent switches  
applications. Few external components are necessary to  
satisfy USB requirements.  
3V to 5.5V input  
500mA minimum continuous load current per port  
140mΩ maximum on-resistance  
1.25A maximum short circuit current limit  
Individual open-drain fault flag pins  
110uA typical on-state supply current  
1uA typical off-state supply current  
Output can be forced higher than input (off-state)  
Thermal shutdown  
The CM2026 satisfies the following USB requirements: each ꢀ  
switch channel supplies up to 500mA as required by USB  
downstream devices; the switch's low on-resistance meets ꢀ  
USB voltage drop requirements; fault current is limited to  
typically 750mA, well below the UL 25VA safety requirements; ꢀ  
and a flag output is available to indicate fault conditions to the ꢀ  
local USB controller. Soft start eliminates the momentary  
voltage drop on the upstream port that may occur when the ꢀ  
2.4V typical undervoltage lockout (UVLO)  
1ms turn-on (soft-start) and fast turnoff  
Active-high enable version  
switch is enabled in bus-powered applications.  
Additional features include thermal shutdown to prevent  
catastrophic switch failure from high-current loads,  
undervoltage lockout (UVLO) to ensure that the device  
remains off unless there is a valid input voltage present, and  
3.3V and 5V logic compatible enable inputs.  
8-pin SOIC and DIP packages  
The CM2026 is available in active-high version in 8-pin DIP  
and SOIC packages.  
APPLICATIONS  
PIN CONFIGURATION  
PDIP-08/SOP-08  
(Top View)  
USB host and self-powered hubs  
USB bus-powered hubs  
Hot plug-in power supplies  
Battery-charger circuit  
1
2
3
4
OUT1  
IN  
8
7
6
5
EN1  
FLG1  
FLG2  
GND  
OUT2  
EN2  
2002/05/29 Rev. 2  
Champion Microelectronic Corporation  
Page 1  

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