与可编程最大占空比双路交错PWM控制器 INTERLEAVED DUAL PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE
DESCRIPON
The UCC28220 and UCC28221 are a family of BiCMOS interleaved dual channel PWM controllers. Peak current mode control is used to ensure current sharing between the two channels. A precise maximum duty cycle clamp can be set to any value between 60% and 90% duty cycle per channel.
FEATURES
• 2-MHz High Frequency Oscillator with 1-MHz Operation Per Channel
• Matched Internal Slope Compensation Circuits
• Programmable Maximum Duty Cycle Clamp 60% to 90% Per Channel
• Peak Current Mode Control with Cycle-by-Cycle Current Limit
• Current Sense Discharge Transistor for Improved Noise Immunity
• Accurate Line Under and Over-Voltage Sense with Programmable Hysteresis
• Opto-Coupler Interface
• 110-V Internal Start-Up JFET UCC28221
• Operates from 12-V Supply UCC28220
• Programmable Soft-Start
APPLICATIONS
• High Output Current 50-A to 100-A Converters
• Maximum Power Density Designs
• High Efficiency 48-V Input with Low Output Ripple Converters
• High Power Offline, Telecom and Datacom Power Supplies
频率 2.00 MHz
电源电压DC 8.40V min
输出接口数 2
输入电压DC 48.0 V
输出电压 400 mV
输出电流 100000 A
供电电流 6 mA
耗散功率 0.65 W
调节输出数 2
上升时间 10 ns
开关频率 200kHz ~ 2MHz
拓扑结构 Flyback, Forward
占空比 77 %
最大占空比 77 %
下降时间 10 ns
工作温度Max 105 ℃
工作温度Min -40 ℃
耗散功率Max 650 mW
电源电压 8.4V ~ 14.5V
安装方式 Surface Mount
引脚数 16
封装 SOIC-16
封装 SOIC-16
工作温度 -40℃ ~ 105℃ TA
产品生命周期 Active
包装方式 Tube
RoHS标准 RoHS Compliant
含铅标准 Lead Free
ECCN代码 EAR99
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
UCC28220DG4 TI 德州仪器 | 当前型号 | 当前型号 |
UCC28220DR 德州仪器 | 完全替代 | UCC28220DG4和UCC28220DR的区别 |
UCC28220DRG4 德州仪器 | 完全替代 | UCC28220DG4和UCC28220DRG4的区别 |
UCC28220D 德州仪器 | 类似代替 | UCC28220DG4和UCC28220D的区别 |