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LM43602-Q1稳压器是一款易于使用的同步降压直流/直流转换器,能够驱动高达2A的负载电流,输入电压范围为3.5V至36V(最大绝对值42V).LM43602-Q1以极小的解决方案尺寸提供优异的效率,输出精度和压降电压。扩展系列产品能够以引脚到引脚兼容封装提供0.5A, 1A和3A负载电流选项。采用峰值电流模式控制来实现简单控制环路补偿和逐周期电流限制。可选功能包括可编程开关频率,同步,电源正常标志,精确使能,内部软启动,可扩展软启动和跟踪,可为各种应用提供灵活且易于使用的平台应用中对通道损失进行线性补偿。轻载时的断续传导和自动频率调制可提升轻载效率。此系列只需要很少的外部组件,并且引脚排列可实现简单,最优的印刷电路板(PCB)布局布线。保护功能包括热关断,V CC 欠压锁定,逐周期电流制和输出短路保护.LM43602-Q1器件采用HTSSOP(PWP)16引脚引线式封装(6.6mm x 5.1mm x 1.2mm).LM43602A-Q1版本针对PFM操作进行优化,推荐用于新设计。该器件与LM4360x和LM4600x系列引脚到引脚兼容。
所有商标均为其各自所有者的财产。
| Vin (Min) (V) |
| Vin (Max) (V) |
| Vout (Min) (V) |
| Vout (Max) (V) |
| Iout (Max) (A) |
| Regulated Outputs (#) |
| Switching Frequency (Min) (kHz) |
| Switching Frequency (Max) (kHz) |
| Iq (Typ) (mA) |
| Features |
| Control Mode |
| Duty Cycle (Max) (%) |
| Operating Temperature Range (C) |
| Rating |
| Package Group |
| LM43602-Q1 | LM22672-Q1 | LM43601-Q1 | LMR14020-Q1 | LMR23615-Q1 | LMR23625-Q1 | LMR23630-Q1 |
|---|---|---|---|---|---|---|
| 3.5 | 4.5 | 3.5 | 4 | 4 | 4 | 4 |
| 36 | 42 | 36 | 40 | 36 | 36 | 36 |
| 1 | 1.285 | 1 | 1 | 1 | 1 | 1 |
| 28 | 37 | 28 | 30 | 28 | 34 | 34 |
| 2 | 1 | 1 | 2 | 1.5 | 2.5 | 3 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 200 | 200 | 200 | 200 | 200 | 200 | 200 |
| 2200 | 1000 | 2200 | 2500 | 2200 | 2200 | 2200 |
| 0.027 | 3.4 | 0.033 | 0.04 | 0.075 | 0.075 | 0.075 |
| Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable | Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable Frequency Synchronization Light Load Efficiency Power Good Pre-Bias Start-Up Spread Spectrum Tracking UVLO Adjustable | Enable Frequency Synchronization Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable | Enable Frequency Synchronization Light Load Efficiency Synchronous Rectification | Enable Frequency Synchronization Light Load Efficiency Synchronous Rectification |
| Current Mode | Voltage Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| 99 | 90 | 99 | 98 | 97 | 99 | 99 |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Automotive | Automotive | Automotive | Automotive | Automotive | Automotive | Automotive |
| HTSSOP | SO PowerPAD | HTSSOP | SO PowerPAD WSON | SON | SO PowerPAD SON | SO PowerPAD SON |