Push-Pull电流模式PWM
description
The UCC3808 is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. The UCC3808 contains all of the control and drive circuitry required for off-line or dc-to-dc fixed frequency current-mode switching power supplies with minimal external parts count.
Dual Output Drive Stages in Push-Pull Configuration
130-µA Typical Starting Current
1-mA Typical Run Current
Operation to 1-MHz
Internal Soft Start
On Chip Error Amplifier With 2-MHz Gain Bandwidth Product
On Chip VDD Clamping
Output Drive Stages Capable Of 500-mA
Peak Source Current, 1-A Peak Sink Current
频率 1.00 MHz
输出接口数 2
输出电压 500 mV
输出电流 1 A
供电电流 2 mA
耗散功率 0.65 W
调节输出数 2
上升时间 25 ns
开关频率 1 MHz
拓扑结构 Full-Bridge, Half-Bridge, Push-Pull
占空比 50 %
最大占空比 50 %
下降时间 25 ns
工作温度Max 85 ℃
工作温度Min -40 ℃
耗散功率Max 650 mW
电源电压 8.3V ~ 15V
安装方式 Surface Mount
引脚数 8
封装 SOIC-8
封装 SOIC-8
工作温度 -40℃ ~ 85℃
产品生命周期 Active
包装方式 Tape & Reel TR
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 |
|---|---|---|
UCC2808DTR-1 TI 德州仪器 | 当前型号 | 当前型号 |
UCC2808D-1 德州仪器 | 类似代替 | UCC2808DTR-1和UCC2808D-1的区别 |
UCC3808D-1 德州仪器 | 类似代替 | UCC2808DTR-1和UCC3808D-1的区别 |
UCC2808D-1G4 德州仪器 | 类似代替 | UCC2808DTR-1和UCC2808D-1G4的区别 |