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LM5022-Q1是一款高压,低侧N沟道MOSFET控制器,非常适合升压稳压器和SEPIC稳压器。该器件包含实现单端一次侧拓扑所需的全部功能。输出稳压基于电流模式控制,这不仅简化了环路补偿的设计,同时还能够提供固有输入电压前馈.LM5022-Q1包含一个启动稳压器,该稳压器在6V至60V的宽输入电压范围内工作.PWM控制器专为高速性能而设计,振荡器频率范围高达2.2MHz,总传播延迟不到100ns。其它功能包括误差放大器,精密基准,线路欠压锁定,逐周期电流限制,斜率补偿,软启动,外部同步功能以及热关断.LM5022-Q1采用10引脚VSSOP封装。
所有商标均为该各自所有者的财产。
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 |
LM5022-Q1 | LM25122-Q1 | LM3481-Q1 | LM5122-Q1 | LM5150-Q1 | TPS40210-Q1 | TPS40211-Q1 |
---|---|---|---|---|---|---|
3 | 3 | 2.97 | 3 | 1.5 | 4.5 | 4.5 |
60 | 42 | 48 | 65 | 42 | 52 | 52 |
1.25 | 3 | 1.275 | 3 | 6.8 | 6.4 | 6.4 |
300 | 50 | 500 | 100 | 10.5 | 300 | 60 |
10 | 20 | 10 | 20 | 15 | 6 | 6 |
1 | 1 | 1 | 1 | 1 | 1 | 1 |
170 | 50 | 100 | 50 | 220 | 35 | 35 |
2200 | 600 | 1000 | 1000 | 2300 | 1000 | 1000 |
3.5 | 4 | 3.7 | 4 | 0.015 | 0.53 | 0.53 |
Enable Frequency Synchronization UVLO Adjustable | 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 | Enable Frequency Synchronization | Enable Frequency Synchronization |
10 | 20 | 10 | 20 | 15 | 6 | 6 |
90 | 100 | 85 | 100 | 87 | 95 | 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 |
VSSOP | HTSSOP | VSSOP | HTSSOP | WQFN | MSOP-PowerPAD | MSOP-PowerPAD |