产品概述
The UC2843D8TR is a current-mode Pulse Width Modulation (PWM) Controller provides the necessary features to implement off-line or DC to DC fixed frequency current-mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1mA, a precision reference trimmed for accuracy at the error amp input, logIC to insure latched operation, a PWM comparator which also provides current limit control and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-channel MOSFETs, is low in the off state.
Low start-up current
Automatic feed forward compensation
Pulse-by-pulse current limiting
Enhanced load response characteristics
Under-voltage lockout with hysteresis
Double pulse suppression
High current totem pole output
Internally trimmed bandgap reference
Low RO Error amplifier
Green product and no Sb/Br
应用
产品信息
输入电压: - 输出电压: 5V 输出电流: 200mA 电源电压最小值: - 电源电压最大值: - 控制器芯片封装类型: SOIC 针脚数: 8引脚 频率: 500kHz 工作温度最小值: -40°C 工作温度最高值: 85°C 产品范围: - 汽车质量标准: - MSL: MSL 1 -无限制