推挽半桥PWM控制芯片

芯片内置了 5.1V 基准电压源、100Hz - 500KHz 宽频率振荡器、软启动电路、误差放大器、PWM 比较器、欠压封锁电路及功率管输出驱动电路等。具有同步时钟功能，可以工作在主从模式，也可以与外部系统时钟信号同步，为设计提供了极大的灵活性。在 CT 引脚和 Discharge 引脚之间加入一个电阻就可以实现对死区时间的调节功能 • 工作电压范围宽，+8V ~ +35V\n\n\n\n• 内置 5.1V 基准电压，精度 ±2%\n\n\n\n• 振荡频率范围宽，100Hz～500KHz\n\n\n\n• 具有振荡器外部同步功能\n\n\n\n• 死区时间可调\n\n\n\n• 内置软启动电路\n\n\n\n• 具有输入欠压锁定功能\n\n\n\n• 具有 PWM 锁存功能，禁止多脉冲 \n\n\n\n• 双通道灌电流、拉电流驱动能力\n\n\n\n• 封装形式：SOP - 16 和 DIP - 16;

PULSE WIDTH MODULATOR CONTROL CIRCUITS

Pulse Width Modulator Control Circuits The SG3525A, SG3527A pulse width modulator control circuits offer improved performance and lower external parts count when implemented for controlling all types of switching power supplies. The on–chip +5.1 V reference is trimmed to ±1 and the error amplifie

PULSE WIDTH MODULATOR CONTROL CIRCUITS

Pulse Width Modulator Control Circuits The SG3525A, SG3527A pulse width modulator control circuits offer improved performance and lower external parts count when implemented for controlling all types of switching power supplies. The on–chip +5.1 V reference is trimmed to ±1 and the error amplifie

PULSE WIDTH MODULATOR CONTROL CIRCUITS

Pulse Width Modulator Control Circuits The SG3525A, SG3527A pulse width modulator control circuits offer improved performance and lower external parts count when implemented for controlling all types of switching power supplies. The on–chip +5.1 V reference is trimmed to ±1 and the error amplifie

PULSE WIDTH MODULATOR CONTROL CIRCUITS

Pulse Width Modulator Control Circuits The SG3525A, SG3527A pulse width modulator control circuits offer improved performance and lower external parts count when implemented for controlling all types of switching power supplies. The on–chip +5.1 V reference is trimmed to ±1 and the error amplifie

Single Port USB Power Switch and Over-Current Protection

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