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数据: Interleaved Dual PWM Controller With Programmable Max Duty Cycle 数据表
UCC28220是BiCMOS交错双通道PWM控制器。峰值电流模式控制用于确保两个通道之间的电流共享。精确的最大占空比钳位可设置为每通道占空比在60%和90%之间的任何值。 UCC28220的UVLO导通阈值为10 V,适用于12 V电源。它具有8V关断阈值。
其他功能包括可编程内部斜率补偿和特殊电路,可确保为每个通道添加完全相同的斜率。 UCC28220采用16引脚薄型TSSOP封装。
PowerPAD是德州仪器公司的商标。
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 |
UCC28220-Q1 | LM25037-Q1 | UCC2808A-1Q1 | UCC2808A-2Q1 |
---|---|---|---|
Flyback Forward | Full-Bridge Half-Bridge Push-Pull | Push-Pull | Push-Pull |
Current | Current Feedforward Voltage | Current | Current |
10.5 | 5.5 | 8.3 | 4.1 |
14 | 75 | 15 | 15 |
2000 | 2000 | 1000 | 1000 |
10.5/8.4 | Programmable/1.25V | 12.5/8.3 | 4.3/4.1 |
90 | 96 | 50 | 50 |
0.01 | 1.2 | 1 | 1 |
Adjustable Switching Frequency Current Limiting Input Line Monitor Multi-topology Programmable Max Duty Cycle Programmable Slope Compensation Soft Start | Adjustable Switching Frequency Current Limiting HV Start-up Multi-topology Programmable Max Duty Cycle Programmable Soft Start Synchronization Pin | Soft Start | Soft Start |
Automotive | Automotive | Automotive | Automotive |
-40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
16SOIC 16TSSOP | 16TSSOP | 8SOIC | 8SOIC |