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开关电源控制电路 KA3842
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产品名称:
开关电源控制电路 KA3842
产品型号:
KA3842
产品展商:
上海图一实业有限公司
关注指数:6336
产品文档:
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The KA3842 are fixedfrequency current-mode PWM controller. They are specially designed for Off - Line and DC-to-DC converter applications with minimum external components. Theseintegrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference,high gain error amplifier. current sensing comparator, and a high current totempole output Ideally suited for driving a power MOSFET. Protection circuity Includes built in under-voltage lockout and current
开关电源控制电路 KA3842
的详细介绍
Features
1. Low Start Up Current
2.Maximum Duty Clamp
3.UVLO With Hysteresis
4.Operating Frequency Up To 500KHz