7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator - LM25017

LM25017 (ACTIVE)

7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator

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Regulated Outputs (#) 1
Vin (Min) (V) 7.5
Vin (Max) (V) 48
Vout (Min) (V) 1.25
Vout (Max) (V) 40
Iout (Max) (A) 0.65
Iout2 (Max) (A) -
Vout2 (Min) (V) -
Vout2 (Max) (V) -
Topology Buck
  • Boost
  • Buck
  • Buck-Boost
  • Inverting Buck-Boost
Switching Frequency (Max) (kHz) 1000
Switch Current Limit (Typ) (A) 1.3
Iq (Typ) (mA) 1.75
Duty Cycle (Max) (%) 90
Soft Start None
  • Adjustable
  • Fixed
  • None
Compensation Not Needed
  • External
  • Internal
  • Not Needed
Special Features 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 Constant on-time (COT)
  • 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) (%) 2
Rating Catalog
  • Automotive
  • Catalog
  • HiRel Enhanced Product
  • High Temp
  • Military
  • Space
Operating Temperature Range (C) -40 to 125 °C to °C
Approx. Price (US$) 1.25 | 1ku
Package Group SO PowerPAD
WSON
  • 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® LM25017
    Min   Max   Range  
  Vin V    9.00 – 48.00V  
  Vout V    1.25 – 48.00V  
  Iout A    ≤ 0.65A  
  Ambient Temp °C    -40 – 125°C  
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Companion parts

Part # Name Product Family Comments
LM5017   7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    
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