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UC3702 PDF预览

UC3702

更新时间: 2024-02-16 11:24:53
品牌 Logo 应用领域
德州仪器 - TI 驱动器继电器
页数 文件大小 规格书
4页 165K
描述
Quad PWM Relay Driver

UC3702 技术参数

是否无铅: 含铅生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP16,.3
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82内置保护:OVER CURRENT; UNDER VOLTAGE
驱动器位数:4接口集成电路类型:PWM BASED PERIPHERAL DRIVER
JESD-30 代码:R-PDIP-T16长度:19.3 mm
功能数量:4端子数量:16
最高工作温度:70 °C最低工作温度:
输出电流流向:SINK最大输出电流:0.05 A
标称输出峰值电流:0.175 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
座面最大高度:5.33 mm子类别:Peripheral Drivers
最大供电电压:8 V最小供电电压:4.5 V
标称供电电压:5 V电源电压1-最大:42.5 V
电源电压1-Nom:34 V表面贴装:NO
技术:BIPOLAR温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL断开时间:0.25 µs
接通时间:0.25 µs宽度:7.62 mm

UC3702 数据手册

 浏览型号UC3702的Datasheet PDF文件第2页浏览型号UC3702的Datasheet PDF文件第3页浏览型号UC3702的Datasheet PDF文件第4页 
UC1702  
UC2702  
UC3702  
Quad PWM Relay Driver  
FEATURES  
DESCRIPTION  
Maintains Constant Average  
Relay Voltage With Varying  
Supply Voltages  
The UC3702 Quad Relay Driver is intended to drive up to four relays from  
logic inputs using an unregulated relay voltage supply. The relays are  
driven from the Bus supply in a power efficient PWM converter fashion.  
The relay coil is used as the inductive element. (See the application's sec-  
tion concerning the relay selection.) VBUS must be higher then the rated  
relay voltage. Short circuit protection is provided on chip with periodic retry.  
VBUS Voltages up to 42.5V  
Up to 50mA per Relay  
Integrated Schottky Flyback Diodes  
Individual Relay Control Inputs  
Short Circuit Protection  
The UC3702 requires a +5V logic supply as a reference. Two external re-  
sistors program the effective relay voltage and a capacitor sets the nominal  
operating frequency. Internal Schottky diodes eliminate the need for any  
external power components.  
In typical applications, the UC3702 grants the user the flexibility to choose  
the most cost effective relay without the added burden of generating a sep-  
arate relay supply voltage. The UC3702 will even function with a poorly  
regulated supply VBUS, containing significant 100Hz or 120Hz ripple.  
User Selectable Operating Center  
Frequency and Relay Voltage  
Global Reset  
BLOCK DIAGRAM  
UDG-96009-1  
SLUS368 - APRIL 1997  

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