SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator - LM2596

LM2596 (ACTIVE)

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator

Recommended alternative parts

  • LM2599  -  LM2596 W/ Error Flag, Soft Start And Shutdown Pin
  • LM2650  -  3A Synchronous Step-Down Regulator
  • LM2670  -  Higher Switching Freq. W/ Freq. Synchronization And Enable Pin
  • LM2673  -  Higher Switching Freq. W/ Soft Start And Prog. Current Limit
  • LM2676  -  Higher Switching Frequency, Smaller Package
  • LM2678  -  Higher Current (5A) And Higher Switching Freq.

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

  LM2596 Compare
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Regulated Outputs (#) 1
Vin (Min) (V) 4.5
Vin (Max) (V) 40
Vout (Min) (V) 3.3
Vout (Max) (V) 37
Iout (Max) (A) 3
Iout2 (Max) (A) -
Vout2 (Min) (V) -
Vout2 (Max) (V) -
Topology Buck
  • Boost
  • Buck
  • Buck-Boost
  • Inverting Buck-Boost
Switching Frequency (Max) (kHz) -
Switch Current Limit (Typ) (A) -
Iq (Typ) (mA) -
Duty Cycle (Max) (%) -
Soft Start -
  • Adjustable
  • Fixed
  • None
Compensation Internal
  • External
  • Internal
  • Not Needed
Special Features -
  • Adjustable Current Limit
  • Adjustable UVLO
  • Dynamic Voltage Scaling
  • Enable
  • Frequency Synchronization
  • Light Load Efficiency
  • Phase Interleaving
  • Power Good
  • Synchronous Rectification
  • Tracking
Control Mode Voltage 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) (%) -
Rating Catalog
  • Automotive
  • Catalog
  • HiRel Enhanced Product
  • High Temp
  • Military
  • Space
Operating Temperature Range (C) -40 to 125 °C to °C
Approx. Price (US$) 1.80 | 1ku
Package Group DDPAK/TO-263
TO-220
  • 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
  Sample & Buy Reset Update

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WEBENCH® LM2596
    Min   Max   Range  
  Vin V    4.50 – 40.00V  
  Vout V    1.23 – 40.00V  
  Iout A    ≤ 3A  
  Ambient Temp °C    -40 – 125°C  
Footprint BOM Cost Efficiency
 
   
 
 
'U1 Rfb1 Rfb2 D1 L1 Cout Cin Cff '
 
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