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SG2524和SG3524器件集成了在單芯片上構(gòu)建調(diào)節(jié)電源，逆變器或開關(guān)穩(wěn)壓器所需的所有功能。它們還可以用作高功率輸出應(yīng)用的控制元件。 SG2524和SG3524設(shè)計用于采用固定頻率，脈沖寬度調(diào)制（PWM）技術(shù)的任一極性開關(guān)穩(wěn)壓器，變壓器耦合DC-DC轉(zhuǎn)換器，無變壓器倍壓器和極性轉(zhuǎn)換器應(yīng)用?；パa輸出允許單端或推挽應(yīng)用。每個器件都包括一個片內(nèi)穩(wěn)壓器，誤差放大器，可編程振蕩器，脈沖轉(zhuǎn)向觸發(fā)器，兩個未提交的傳輸晶體管，一個高增益比較器，以及限流和關(guān)斷電路。
| ? |
|---|
| Topology |
| Control Method |
| Vin (Min) (V) |
| Vin (Max) (V) |
| Frequency (Max) (kHz) |
| UVLO Thresholds On/Off (V) |
| Duty Cycle (Max) (%) |
| Gate Drive (Typ) (A) |
| Features |
| Rating |
| Operating Temperature Range (C) |
| Pin/Package |
| ? |
| SG3524 | SG2524 | TL494 | TL594 |
|---|---|---|---|
| Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? | Boost Buck Flyback Forward Full-Bridge Half-Bridge Push-Pull ? ? |
| Voltage ? ? | Voltage ? ? | Voltage ? ? | Voltage ? ? |
| 8 ? ? | 8 ? ? | -0.3 ? ? | -0.3 ? ? |
| 40 ? ? | 40 ? ? | 41 ? ? | 41 ? ? |
| 722 ? ? | 722 ? ? | 300 ? ? | 300 ? ? |
| N/A ? ? | N/A ? ? | N/A ? ? | 6.1/6 ? ? |
| 45 ? ? | 45 ? ? | 45 ? ? | 45 ? ? |
| 0.05 ? ? | 0.05 ? ? | 0.2 ? ? | 0.2 ? ? |
| Adjustable Switching Frequency Error Amplifier Multi-topology ? ? | Adjustable Switching Frequency Error Amplifier Multi-topology ? ? | Adjustable Switching Frequency Dead Time Control Error Amplifier Multi-topology ? ? | Adjustable Switching Frequency Dead Time Control Error Amplifier Multi-topology ? ? |
| Catalog ? ? | Catalog ? ? | Catalog ? ? | Catalog ? ? |
| 0 to 70 ? ? | -25 to 85 ? ? | -40 to 85 0 to 70 ? ? | -40 to 85 0 to 70 ? ? |
| 16PDIP 16SO 16SOIC ? ? | 16PDIP 16SOIC ? ? | 16PDIP 16SO 16SOIC 16TSSOP ? ? | 16PDIP 16SO 16SOIC 16TSSOP ? ? |
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