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TPS62085 采用 2x2 QFN 封装且具有 DCS 控制和自动切断短路保护功能的 3A 降压转换器

数据:

描述

TPS62085,TPS62086和TPS62087器件是高频同步降压转换器,经优化具有小解决方案尺寸和高效率两大优点。该器件具有2.5V至6.0V的输入电压范围,
支持常见的电池技术。此转件器在中输程宽调制(PWM)模式,并在轻负载时自动进入省电模式运行,从而在整个负载电流轨道内保持高效率。

为了满足系统电源轨的需求,内部补偿电路支持10μF到达150uF的宽范围外部输出电容值选项。凭借DCS-Control架构,该器件可实现出色的负载瞬态性能和输出稳压精度。这些器件采用2mm x 2mm QFN封装。

特性

  • DCS-Control拓扑技术
  • 效率高达95%
  • 自动切断短路保护功能< /li>
  • 针对轻载效率的省电模式
  • 针对最低压降的100%占空比
  • 输入电压范围2.5V至6.0V
  • 17μA工作静态电流
  • 0.8V至V IN 可调输出电压
  • 1.8V至3.3V固定输出电压
  • < li>输出放电
  • 电源正常输出
  • 热关断保护
  • 采用2mm×2mm QFN封装

应用

  • 电池供电类应用
  • 负载点
  • 处理器电源
  • 机械硬盘

所有商标均为其各自所有者的财产。

参数 与其它产品相比 降压转换器 (集成开关)

 
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
TPS62085 TLV62569 TPS62088 TPS62136 TPS62480 TPS62801 TPS62802 TPS62806 TPS62823 TPS62825 TPS62826
2.5     2.5     2.4     3     2.4     1.8     1.8     1.8     2.4     2.4     2.4    
6     5.5     5.5     17     5.5     5.5     5.5     5.5     5.5     5.5     5.5    
0.8     0.6     0.6     0.8     0.6     0.8     1.8     0.4     0.6     0.6     0.6    
6     5.5     4     12     5.5     1.55     3.3     0.775     4     4     4    
3     2     3     4     6     1     1     0.6     3     2     3    
1     1     1     1     1     1     1     1     1     1     1    
2400     1500     4000     1000     2000     4000     4000     1500     2200     2200     2200    
2400     1500     4000     1000     2500     4000     4000     1500     2200     2200     2200    
0.017     0.035     0.004     0.018     0.023     0.0023     0.0023     0.0023     0.004     0.004     0.004    
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Synchronous Rectification    
Dynamic Voltage Scaling
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking
UVLO Fixed
VID: 2-bit    
Dynamic Voltage Scaling
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Output Discharge
Over Current Protection
Phase Interleaving
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking
UVLO Fixed
Voltage Margining    
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Load Disconnect
Output Discharge
Over Current Protection
Synchronous Rectification
UVLO Fixed    
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Load Disconnect
Output Discharge
Over Current Protection
Synchronous Rectification
UVLO Fixed    
Enable
Forced Pulse Width Modulation (FPWM) Mode
Light Load Efficiency
Load Disconnect
Output Discharge
Over Current Protection
Synchronous Rectification
UVLO Fixed    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
UVLO Fixed    
Constant on-time (COT)
DCS-Control    
Current Mode     Constant on-time (COT)
DCS-Control    
Constant on-time (COT)
DCS-Control    
Current Mode     Constant on-time (COT)
DCS-Control    
DCS-Control     DCS-Control     Constant on-time (COT)
DCS-Control    
Constant on-time (COT)
DCS-Control    
Constant on-time (COT)
DCS-Control    
100     100     100     100     100     100     100     100     100     100     100    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
VSON-HR     SOT-23
SOT-23-THIN
SOT-5X3    
DSBGA     VQFN-HR     VQFN-HR     DSBGA     DSBGA     DSBGA     VSON-HR     VSON-HR     VSON-HR    

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