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TPS53355 1.5V 至 15V 输入(4.5V 至 25V 偏置)、30A 同步降压 SWIFT™ 转换器

数据:

描述

TPS53355是一款集成有金属氧化物半导体场效应应晶体管(MOSFET)的D-CAP™模式,30A同步开关。它的设计目标是

该器件采用5mΩ/2.0mΩ集成MOSFET,精度为1%,基准电压为0.6V,并具备一个集成升压开关。富有竞争力的特性包括:1.5V至15V宽转换输入电压范围,所用外部组件极少,针对超快瞬变的D-CAP™模式控制,自动跳跃模式运行,内部软启动控制,可选频率并且无需补偿。

转换输入电压范围为1.5V至15V,电源电压范围为4.5V至5.5V,输出电压范围为0.6V至5.5V。

该器件采用5mm×6mm,22引脚QFN封装,额定工作温度范围为-40°C至85°C。

特性

  • 最高效率达96%
  • 转换输入电压范围:1.5V至15V
  • 漏极电源电压(VDD)输入电压范围:4.5V至25V
  • 输出电压范围:0.6V至5.5V
  • 5V低压降(LDO)输出
  • 支持单电源轨出入
  • 带有30A持续输出电流的集成型功率金属氧化物半导体场效应应晶体管(MOSFET)
  • 自动跳跃Eco-mode™,用于实现轻负载效率
  • <
  • 可以通过外部电阻在250kHz至1MHz范围内选择开关频率选择自动跳跃或者只支持脉宽调制(PWM)运行
  • 内置1%0.6V基准电压。
  • 0.7ms,1.4ms,2.8ms和5.6ms可选内部电压伺服系统软启动
  • 集成升压开关
  • 预充电启动能力
  • 支持可调节的过流限制和温度补偿
  • 过压,欠压,欠压锁定(UVLO)和过热保护
  • 支持所有陶瓷输出电容
  • 开漏电源良好指示
  • 组装有NexFET ™电源块技术
  • 22引脚四方扁平无引脚(QFN)封装,采用PowerPAD™
  • 如需SWIFT™电源产品文档,请访问http://www。 ti.com.cn/ww/analog/swift
  • 可选“绿色环保”(符合RoHS标准)

所有商标均为其所有各自所有者。

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
TPS53355 TPS51362 TPS53318 TPS53319 TPS53353 TPS543B20 TPS543C20 TPS544C25 TPS548B22 TPS548D21 TPS548D22 TPS549B22 TPS549D22 TPS56121 TPS56221 TPS56520 TPS566250 TPS56628 TPS56720
1.5     3     1.5     1.5     1.5     4     4     4.5     1.5     1.5     1.5     1.5     1.5     4.5     4.5     4.5     4.5     4.5     4.5    
15     22     22     22     15     19     16     18     18     16     16     18     16     14     14     17     17     18     17    
0.6     0.6     0.6     0.6     0.6     0.6     0.6     0.5     0.6     0.6     0.6     0.6     0.6     0.6     0.6     0.6     0.6     0.76     0.6    
5.5     2     5.5     5.5     5.5     5.5     5.5     5     5.5     5.5     5.5     5.5     5.5     12     12     1.87     1.87     5.5     1.87    
30     10     8     14     20     25     40     30     25     40     40     25     40     15     25     5     6     6     7    
1     1     1     1     1     1     1     1     1     1     1     1     1     1     1     1     1     1     1    
250     800     250     250     250     300     300     200     425     425     425     315     315     300     300     500     500     650     500    
1000     800     1000     1000     1000     2000     2000     1000     1050     1050     1050     1125     1125     1000     1000     500     500     650     500    
0.32     0.1     0.32     0.32     0.32     3     4.3     7.7     2     2     2     2     2     2.5     2.5     0.92     0.9     0.95     0.92    
Adjustable Current Limit
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Output Discharge
Power Good
Synchronous Rectification    
Adjustable Current Limit
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Adjustable Current Limit
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Adjustable Current Limit
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Frequency Synchronization
Over Current Protection
Phase Interleaving
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
UVLO Adjustable    
Adjustable Current Limit
Enable
Frequency Synchronization
N/A
Over Current Protection
Phase Interleaving
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification    
Adjustable Current Limit
Dynamic Voltage Scaling
Enable
Frequency Synchronization
PMBus
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
Tracking
UVLO Adjustable
Voltage Margining    
Adjustable Current Limit
Enable
Light Load Efficiency
Output Discharge
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
UVLO Adjustable    
Adjustable Current Limit
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Output Discharge
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
Tracking
UVLO Adjustable
Voltage Margining    
Adjustable Current Limit
Enable
Light Load Efficiency
Output Discharge
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
UVLO Adjustable    
Adjustable Current Limit
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Output Discharge
Over Current Protection
PMBus
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
UVLO Adjustable
Voltage Margining    
Adjustable Current Limit
Dynamic Voltage Scaling
Enable
Light Load Efficiency
PMBus
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
Tracking
UVLO Adjustable
Voltage Margining    
Adjustable Current Limit
Enable
Power Good
Pre-Bias Start-Up
Synchronous Rectification    
Enable
Light Load Efficiency
Pre-Bias Start-Up
Synchronous Rectification    
Adjustable Current Limit
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Voltage Margining    
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Power Good
Synchronous Rectification
UVLO Adjustable    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Adjustable Current Limit
Dynamic Voltage Scaling
Enable
Light Load Efficiency
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Voltage Margining    
D-CAP     D-CAP2     D-CAP     D-CAP     D-CAP     Current Mode     Current Mode     Voltage Mode     D-CAP3     D-CAP3     D-CAP3     D-CAP3     D-CAP3     Voltage Mode     Voltage Mode     D-CAP2     D-CAP2     D-CAP2     D-CAP2    
90     87     90     90     90     70     70     80     80     80     80     80     80     93     93     80     80     85     80    
-40 to 85     -10 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 85     -40 to 125     -40 to 125     -40 to 85     -40 to 85     -40 to 85     -40 to 85    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
LSON-CLIP     VQFN-CLIP     LSON-CLIP     LSON-CLIP     LSON-CLIP     LQFN-CLIP     LQFN-CLIP     LQFN-CLIP     LQFN-CLIP     LQFN-CLIP     LQFN-CLIP     LQFN-CLIP     LQFN-CLIP     LSON-CLIP     LSON-CLIP     HTSSOP     SO PowerPAD     SO PowerPAD     HTSSOP    

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