2.95V to 6V Input, 4A Synchronous Step-Down SWIFT™ Converter - TPS54418

TPS54418 (ACTIVE)

2.95V to 6V Input, 4A Synchronous Step-Down SWIFT™ Converter

Recommended alternative parts

  • TPS54478  -  2.95 to 6V, 4A with Pre-biased Start up and Hiccup Current Limit

Parametrics Evaluate all products in Step-Down (Buck) Converter

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Regulated Outputs (#) 1
Vin (Min) (V) 2.95
Vin (Max) (V) 6
Vout (Min) (V) 0.8
Vout (Max) (V) 4.5
Iout (Max) (A) 4
Iout2 (Max) (A) -
Vout2 (Min) (V) -
Vout2 (Max) (V) -
Topology Buck
  • Boost
  • Buck
  • Buck-Boost
  • Inverting Buck-Boost
Switching Frequency (Max) (kHz) 2000
Switch Current Limit (Typ) (A) 5
Iq (Typ) (mA) 0.35
Duty Cycle (Max) (%) 98
Soft Start Adjustable
  • Adjustable
  • Fixed
  • None
Compensation External
  • External
  • Internal
  • Not Needed
Special Features Enable
Frequency Synchronization
Power Good
Adjustable UVLO
Synchronous Rectification
  • Adjustable Current Limit
  • Adjustable UVLO
  • Dynamic Voltage Scaling
  • Enable
  • Frequency Synchronization
  • Light Load Efficiency
  • Phase Interleaving
  • Power Good
  • Synchronous Rectification
  • Tracking
Control Mode Current Mode
  • COT with emulated ripple
  • Constant on-time (COT)
  • Current Mode
  • D-CAP
  • D-CAP+
  • D-CAP2
  • D-CAP3
  • Voltage Mode
Preset Vout (V) -
Vref Accuracy (Typ) (%) 1
Rating Catalog
  • Automotive
  • Catalog
  • HiRel Enhanced Product
  • High Temp
  • Military
  • Space
Operating Temperature Range (C) -40 to 150 °C to °C
Approx. Price (US$) 2.15 | 1ku
Package Group WQFN
  • CFP
  • DDPAK/TO-263
  • DSBGA
  • DSLGA
  • HTSSOP
  • LQFN-CLIP
  • LSON-CLIP
  • MSOP-PowerPAD
  • PDIP
  • QFN
  • SO PowerPAD
  • SOIC
  • SON
  • SOT
  • SOT-23
  • TO-220
  • TO-263
  • TSSOP
  • USON
  • VQFN
  • VQFN-CLIP
  • VSON
  • VSSOP
  • WQFN
  • WSON
  • XCEPT
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WEBENCH® TPS54418
    Min   Max   Range  
  Vin V    2.90 – 6.00V  
  Vout V    0.80 – 4.50V  
  Iout A    ≤ 4.00A  
  Ambient Temp °C    ≤ 100°C  
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