数据:
LM43602 3.5V 至 36V、2A 同步降压转换器 数据表 (Rev. C)
LM43602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3.5 V至36V(最大绝对值42V).LM43602以极小的尺寸解决方案提供优异的效率,输出精度和压降电压。其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。此器件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。轻负载时的断续和自动调频模式可提升轻负载效率。此系列只需要很少的外部组件,并且其端子排列方式可确保简单,最优的PCB布局。保护功能包括热关断,V CC 欠压锁定,逐周期电流限制和输出短路保护.LM43602器件用16引脚HTSSOP封装(5.1毫米×6.6毫米×1.2毫米)和具有可湿性侧面的16引脚VSON封装
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 | LM43603 | LMR23630 | LMR33620 | LMR33630 |
|---|---|---|---|---|
| 3.5 | 3.5 | 4.5 | 3.8 | 3.8 |
| 36 | 36 | 36 | 36 | 36 |
| 1 | 1 | 1 | 1 | |
| 28 | 28 | 30 | 34 | 34 |
| 2 | 3 | 3 | 2 | 3 |
| 1 | 1 | 1 | 1 | 1 |
| 200 | 200 | 200 | 400 | 400 |
| 2200 | 2200 | 2200 | 2100 | 2100 |
| 0.027 | 0.027 | 0.075 | 0.024 | 0.024 |
| Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable Frequency Synchronization Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification Wettable Flanks Package | Enable Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification |
| Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| 99 | 99 | 97 | 98 | 98 |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Catalog | Catalog | Catalog | Catalog | Catalog |
| HTSSOP SON | HTSSOP SON | SO PowerPAD SON | SO PowerPAD VQFN-HR | SO PowerPAD VQFN-HR |
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