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US203BHG-AF5-R PDF预览

US203BHG-AF5-R

更新时间: 2024-11-07 20:41:07
品牌 Logo 应用领域
友顺 - UTC 驱动接口集成电路
页数 文件大小 规格书
7页 241K
描述
Buffer/Inverter Based Peripheral Driver,

US203BHG-AF5-R 技术参数

生命周期:Active包装说明:,
Reach Compliance Code:unknown风险等级:5.57
接口集成电路类型:BUFFER OR INVERTER BASED PERIPHERAL DRIVERBase Number Matches:1

US203BHG-AF5-R 数据手册

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UNISONIC TECHNOLOGIES CO., LTD  
US203  
Preliminary  
CMOS IC  
HIGH-SIDE POWER SWITCHES  
WITH FLAG  
4
5
3
DESCRIPTION  
2
1
SOT-25  
The UTC US203 are low voltage cost-effective high-side power  
switches with flag function. These devices are particularly suitable for  
self-powered and bus-powered USB applications. The build-in  
N-MOSFET’s RDS(ON) which meets the requirements of USB voltage drop  
is as low as 80m.  
The UTC US203 contains a charge pump circuitry to drive the internal  
MOSFET switch and also incorporate such protection circuits: soft-start  
circuit protect these devices from being damaged by limiting inrush  
current during plug-in; thermal shutdown circuit is used to prevent  
catastrophic switch failure from high-current loads. UVLO is used to  
ensure that the device remains off unless there is a valid input voltage  
present.  
1
SOP-8  
A flag output is designed to indicate fault conditions to the local USB  
controller. lower quiescent current as 25μA making this device ideal for  
portable battery-operated equipment.  
The UTC US203 are applied in USB Bus/Self powered hubs, USB  
peripherals, NB, PCs, PC card hot swap, battery-powered equipment,  
hot-plug power supplies, battery-charger circuits  
distribution.  
,
ACPI power  
FEATURES  
* Input Voltage Varies From 2.5V to 5.5V  
* Built-in N-MOSFET  
* Output Can Be Forced Higher Than Input (Off-State)  
* Typical Low Supply Current:  
- Switch On: 25μA (TYP)  
* Protection Circuits:  
- Soft-start( Hot plug-in application)  
- UVLO 1.7V (TYP.)  
- Current Limiting Protection  
- Thermal Shutdown Protection  
- Switch Off: 0.1μA (TYP)  
* Reverse Current Flow Blocking (No Body Diode)  
* Open-Drain Fault Flag Output To Indicate Fault  
Conditions  
ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Lead Free  
Halogen Free  
US203XXL-AF5-R  
US203XXL-S08-R  
US203XXG-AF5-R  
US203XXG-S08-R  
SOT-25  
SOP-8  
Tape Reel  
Tape Reel  
www.unisonic.com.tw  
Copyright © 2013 Unisonic Technologies Co., Ltd  
1 of 7  
QW-R502-435.h  

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