3.5V 至 14V 输入(4V 至 22V 偏置)、35A 同步降压 SWIFT 转换器 - TPS543C20

TPS543C20 (正在供货)

3.5V 至 14V 输入(4V 至 22V 偏置)、35A 同步降压 SWIFT 转换器

 

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描述

The TPS543C20 employs an internally compensated emulated peak-current-mode control, with a clock synchronizable, fixed-frequency modulator for EMI-sensitive POL. The internal integrator and directly amplifying ramp tracking loop eliminate the need for external compensation over a wide range of frequencies thereby making the system design flexible, dense, and simple. Optional API and body braking help improve transient performance by significantly reducing undershoot and overshoot, respectively. Integrated NexFET™ MOSFETs with low-loss switching facilitate high efficiency and deliver up to 40 A in a 5-mm × 7-mm PowerStack™ package with a layout friendly thermal pad. Two TPS543C20 devices can be stacked together to provide up to 80-A point-of-load.

特性

  • Internally-Compensated Advanced Current Mode Control 40-A POL
  • Input Voltage Range: 4 V to 16 V
  • Output Voltage Range: 0.6 V to 5.5 V
  • Integrated 3/0.9-mΩ Stacked NexFET™ Power Stage With Lossless Low-Side Current Sensing
  • Fixed Frequency - Synchronization to an External Clock and/or Sync Out
  • Pin Strapping Programmable Switching Frequency
    • 300 kHz to 2 MHz for Standalone
    • 300 kHz to 1 Mhz for Stackable
  • Stack 2X for up to 80 A With Current Share, Voltage Share, and CLK Sync
  • Pin Strapping Programmable Reference from 0.6 V to 1.1 V With 0.5% Accuracy
  • Differential Remote Sensing
  • Safe Start-Up into Pre-Biased Output
  • High-Accuracy Hiccup Current Limit
  • Asynchronous Pulse Injection (API) and Body Braking
  • 40-pin, 5-mm × 7-mm LQFN Package with 0.5-mm Pitch and Single Thermal Pad
  • Create a Custom Design Using the TPS543C20 With the WEBENCH® Power Designer

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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
TPS543C20 TPS53353 TPS53355 TPS543B20 TPS548B22 TPS548D22 TPS56221
4    1.5    1.5    4    1.5    1.5    4.5   
16    15    15    19    18    16    14   
0.6    0.6    0.6    0.6    0.6    0.6    0.6   
5.5    5.5    5.5    5.5    5.5    5.5    12   
40    20    30    25    25    40    25   
1    1    1    1    1    1    1   
300    250    250    300    425    425    300   
2000    1000    1000    2000    1050    1050    1000   
4.3    0.32    0.32    3    2    2    2.5   
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
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
Light Load Efficiency
Output Discharge
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
UVLO Adjustable   
Adjustable Current Limit
Enable
Light Load Efficiency
Output Discharge
Power Good
Pre-Bias Start-Up
Remote Sense
Synchronous Rectification
UVLO Adjustable   
Enable
Light Load Efficiency
Pre-Bias Start-Up
Synchronous Rectification   
Current Mode    D-CAP    D-CAP    Current Mode    D-CAP3    D-CAP3    Voltage Mode   
70    90    90    70    80    80    93   
-40 to 125    -40 to 85    -40 to 85    -40 to 125    -40 to 125    -40 to 125    -40 to 125   
Catalog    Catalog    Catalog    Catalog    Catalog    Catalog    Catalog   
LQFN-CLIP    LSON-CLIP    LSON-CLIP    LQFN-CLIP    LQFN-CLIP    LQFN-CLIP    LSON-CLIP   
New! Interactive Design
Click to instantly view a schematic, charts, Bill of Materials, and Operating Values.

WEBENCH® Designer TPS543C20

  最小   最大 范围
输入电压  V 4.0 to 16.0V
输出电压  V 0.6 to 5.5V
输出电流  A ≤ 40A
环境温度  °C -40 to 150°C


覆盖面积 BOM成本 效率


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