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数据: LM46002 SIMPLE SWITCHER® 3.5V 至 60V 2A 同步降压电压转换器 数据表 (Rev. B)
LM46002 SIMPLE SWITCHER稳压器是一款易于使用的同步降压直流到直流转换器,此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60V).LM46002以极小的解决方案尺寸提供出色的效率,输出精度和压降电压。该器件的扩展系列产品能够以引脚到引脚兼容封装提供多种负载电流选项以及36V的最高输入电压,其中包括LM46001,LM46000,LM43603,LM43602,LM43601和LM43600。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。可选功能诸如可编程开关频率,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简单易用的控制器。轻负载时的断续传导和自动降低频率可改善轻负载效率。该系列只需要很少的外部组件。器件的引脚排列可简化并实现最优印刷电路板(PCB)布局布线。护理特性包括热关断,V CC 欠压锁定,逐周期电流限制和输出短路保护.LM46002器件采用带散热片薄型小外形尺寸(HTSSOP)/PWP 16引线封装(5.1mm x 6.6mm x 1.2mm),引线间距0.65mm。
<小> 小>
| 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 |
| LM46002 | LM46001 | LM76002 | LMR16020 | LMR16030 | LMR36015 |
|---|---|---|---|---|---|
| 3.5 | 3.5 | 3.5 | 4.3 | 4.3 | 4.2 |
| 60 | 60 | 60 | 60 | 60 | 60 |
| 1 | 1 | 1 | 1 | 1 | 1 |
| 28 | 28 | 57 | 50 | 50 | 57 |
| 2 | 1 | 2.5 | 2 | 3 | 1.5 |
| 1 | 1 | 1 | 1 | 1 | 1 |
| 200 | 200 | 300 | 200 | 200 | 400 |
| 2200 | 2200 | 2200 | 2500 | 2500 | 1000 |
| 0.027 | 0.024 | 0.015 | 0.04 | 0.04 | 0.023 |
| Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking | Enable Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Tracking UVLO Adjustable | Enable Forced Pulse Width Modulation (FPWM) Mode Frequency Synchronization Light Load Efficiency Power Good Synchronous Rectification Wettable Flanks Package | Enable Frequency Synchronization Light Load Efficiency Power Good Pre-Bias Start-Up Tracking UVLO Adjustable | Enable Frequency Synchronization Light Load Efficiency Power Good Pre-Bias Start-Up Tracking UVLO Adjustable | Enable Forced Pulse Width Modulation (FPWM) Mode Light Load Efficiency Power Good Pre-Bias Start-Up Synchronous Rectification Wettable Flanks Package |
| Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| 99 | 99 | 98 | 98 | 98 | |
| -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 150 |
| Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| HTSSOP | HTSSOP | WQFN | SO PowerPAD | SO PowerPAD | VQFN-HR |
金额:¥
去购买型号:LM46002PWPR 封装:HTSSOP16_5X4.4MM_EP
品牌:TI 描述:降压型-40℃~+125℃@(TJ)1降压可调1V~28V 2A 3.5V~60V 2.2MHz HTSSOP-16-EP DC-DC转换器ROHS
金额:¥3.67250
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