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数据: TPS4021x-Q1 4.5-V to 52-V Input, Current-Mode Boost Controllers 数据表
TPS40210-Q1和TPS40211-Q1器件是宽输入电压(4.5V至52V)非同步升压控制器。它们适用于需要接地源N沟道FET的拓扑结构,包括升压,反激,SEPIC和各种LED驱动器应用。器件功能包括可编程软启动,带自动重试的过流保护和可编程振荡器频率。电流模式控制提供改进的瞬态响应和简化的环路补偿。两部分之间的主要区别是误差放大器调节FB引脚的参考电压。
Vin (Min) (V) |
Vin (Max) (V) |
Vout (Min) (V) |
Vout (Max) (V) |
Switch Current Limit (Typ) (A) |
Regulated Outputs (#) |
Switching Frequency (Min) (kHz) |
Switching Frequency (Max) (kHz) |
Iq (Typ) (mA) |
Features |
Iout (Max) (A) |
Duty Cycle (Max) (%) |
Operating Temperature Range (C) |
Rating |
Package Group |
TPS40210-Q1 | LM25122-Q1 | LM3481-Q1 | LM5122-Q1 | LM5150-Q1 | LM51501-Q1 | TPS40211-Q1 |
---|---|---|---|---|---|---|
4.5 | 3 | 2.97 | 3 | 1.5 | 1.5 | 4.5 |
52 | 42 | 48 | 65 | 42 | 42 | 52 |
6.4 | 3 | 1.275 | 3 | 6.8 | 6.0 | 6.4 |
300 | 50 | 500 | 100 | 10.5 | 11.5 | 60 |
6 | 20 | 10 | 20 | 15 | 15 | 6 |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
35 | 50 | 100 | 50 | 220 | 220 | 35 |
1000 | 600 | 1000 | 1000 | 2300 | 2300 | 1000 |
0.53 | 4 | 3.7 | 4 | 0.015 | 0.015 | 0.53 |
Enable Frequency Synchronization | Enable Frequency Synchronization Phase Interleaving Synchronous Rectification | Adjustable Current Limit Enable Frequency Synchronization Light Load Efficiency Pre-Bias Start-Up UVLO Adjustable | Enable Frequency Synchronization Phase Interleaving Synchronous Rectification UVLO Adjustable | Adjustable Current Limit Enable Frequency Synchronization Light Load Efficiency | Adjustable Current Limit Enable Frequency Synchronization Light Load Efficiency | Enable Frequency Synchronization |
6 | 20 | 10 | 20 | 15 | 15 | 6 |
95 | 100 | 85 | 100 | 87 | 87 | 95 |
-40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 150 | -40 to 125 | -40 to 125 |
Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive |
MSOP-PowerPAD | HTSSOP | VSSOP | HTSSOP | WQFN | WQFN | MSOP-PowerPAD |