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LM5023是一款准谐振脉宽调制（PWM）控制器，此控制器包含有实现一个高效离线电源所需的全部功能。使用变压器辅助绕组来实现消磁检测，从而确保了临界传导模式（CCM）运行.LM5023特有一个用于过流保护的断续模式，它具有的自动重启功能可减少过载期间功率元件上的应力。 LM5023还使用变压器辅助绕组来实现器。
| Control Method |
| Duty Cycle (Max) (%) |
| Frequency (Max) (kHz) |
| UVLO Thresholds On/Off (V) |
| Features |
| Operating Temperature Range (C) |
| Package Group |
| Rating |
| Package Size: mm2:W x L (PKG) |
| LM5023 | UCC28600 | UCC28610 | UCC28704 | UCC28740 | UCC28780 |
|---|---|---|---|---|---|
| Current | Current | Current | Current | Current | Current |
| 100 | 99 | 100 | 99 | 99 | 99 |
| 130 | 130 | 130 | 85 | 100 | 1000 |
| 12.8/7.5 | 10.3/9.3 | 10.2/8 | 21/7.7 | 21/7.75 | 17.5/10 |
| SSR HV Start-up Configurable QR/TM Green Mode Light Load Efficiency Power Delivery Compatible | SSR QR/TM Error Amplifier Green Mode Light Load Efficiency Power Delivery Compatible Motor Drive Compatible Audio Compatible | DCM SSR HV Start-up Soft Switching Power Delivery Compatible Audio Compatible Motor Drive Compatible | PSR HV Start-up Configurable Fixed CBC NTC Configurable CV/CC Control DCM USB Type-C Compatible IoT Compatible Power Delivery Compatible | SSR HV Start-up CV/CC Control DCM Smart Meters Compatible IoT Compatible USB Type-C Compatible Power Delivery Compatible | Zero Voltage Switching Active Clamp Flyback |
| -40 to 125 | -40 to 105 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| VSSOP | SOIC | PDIP SOIC | SOT-23 | SOIC | SOIC WQFN |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) | See datasheet (PDIP) 8SOIC: 29 mm2: 6 x 4.9(SOIC) | 6SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) | 7SOIC: 29 mm2: 6 x 4.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) 16WQFN: 9 mm2: 3 x 3(WQFN) |
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