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UPC494GS-E1-A PDF预览

UPC494GS-E1-A

更新时间: 2024-10-14 15:56:07
品牌 Logo 应用领域
日电电子 - NEC 开关光电二极管
页数 文件大小 规格书
19页 246K
描述
Switching Controller, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16, 0.300 INCH, LEAD FREE, PLASTIC, SOP-16

UPC494GS-E1-A 技术参数

生命周期:Transferred包装说明:0.300 INCH, LEAD FREE, PLASTIC, SOP-16
Reach Compliance Code:unknown风险等级:5.71
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制技术:PULSE WIDTH MODULATION
最大输入电压:40 V最小输入电压:7 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G16
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流:0.25 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:1.8 mm表面贴装:YES
切换器配置:SINGLE最大切换频率:300 kHz
技术:BIPOLAR温度等级:OTHER
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:5.6 mm
Base Number Matches:1

UPC494GS-E1-A 数据手册

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DATA SHEET  
BIPOLAR ANALOG INTEGRATED CIRCUIT  
μPC494  
SWITCHING REGULATOR CONTROL CIRCUIT  
<R>  
DESCRIPTION  
The μ PC494 is a PWM type switching regulator control circuit.  
Included in this device are a 5 V voltage reference, dual error amplifiers, a variable frequency sawtooth-wave  
generating oscillator, a comparator for dead-time control, a flip flop, dual alternating output switches, and a buffer to  
output source and sink currents.  
Error amplifiers have wide common mode input voltage capability, and circuits for voltage feedback and over current  
protection are easy to configure. The μ PC494 can be applied to all types of switching regulators, including chopper  
type regulators.  
<R>  
FEATURES  
250 mA output buffer to output sink and source currents  
Switchable operation mode between a single-end mode and a push-pull mode  
No double pulsing during transient condition  
Adjustable dead-time (0 to 100%)  
Internal 5 V output voltage reference circuit  
Error amplifiers with phase-compensating function  
Providing master-slave operation (synchronizing multiple ICs)  
With malfunction prevention circuit for low level supply voltage  
Package variations available for different applications  
The information in this document is subject to change without notice. Before using this document, please  
confirm that this is the latest version.  
Not all products and/or types are available in every country. Please check with an NEC Electronics  
sales representative for availability and additional information.  
Document No. G12649EJ5V0DS00 (5th edition)  
Date Published August 2008 NS  
Printed in Japan  
1988, 2000, 2008  
The mark <R> shows major revised points.  
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.  

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