| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | SDC7500 | Voltage mode PWM control circuit SDC7500 电压模式 PWM 控制电路 SDC7500 概述 SDC7500 是一种固定频率脉宽调制电路，它包含了开关电源控制的全部功能，广 泛应用于开关电源控制、DC/DC 转换器，方便系统工程师灵活设计应用线路。 特点 ◇ ◇ ◇ ◇ ◇ ◇ ◇ 集成了完全的脉宽调制电路 内置双路误差放大器 内置5V参考 |
 Yes-Cheer |
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| 1 | SDC7500 | Voltage Mode PWM Controller Datasheet Voltage Mode PWM Controller General Description The SDC7500 is a voltage mode pulse width modulation switching regulator control circuit designed primarily for power supply control. The SDC7500 consists of a reference voltage circuit, two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, and a |
 SDC |
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List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
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| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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