3-20V, Voltage Mode Synchronous Buck Controller with DCR Current Sensing - LM27402

LM27402 (ACTIVE)

3-20V, Voltage Mode Synchronous Buck Controller with DCR Current Sensing

Parametrics Compare all products in Step-Down (Buck) Controller

 
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iout (Max) (A)
Switching Frequency (Min) (kHz)
Switching Frequency (Max) (kHz)
Iq (Typ) (mA)
Duty Cycle (Max) (%)
Regulated Outputs (#)
Topology
Market Segment
Control Mode
Special Features
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
LM27402 LM27403 LM2748 LM3743
3     3     1     3    
20     20     14     5.5    
0.6     0.6     0.6     0.8    
18.6     19     12     4.6    
30       20     10    
200     200     50     300    
1200     1200     1000     1000    
4.5     3.5     1.7     1.8    
95     93     86     91    
1     1     1     1    
Buck     Buck     Buck     Buck    
Communications & Telecom
Computing & Multimedia    
Communications & Telecom     Consumer & Portable Electronics
Communications & Telecom
Computing & Multimedia    
Communications & Telecom
Computing & Multimedia    
Voltage Mode     Voltage Mode     Voltage Mode     Voltage Mode    
Enable
Frequency Synchronization
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking    
Enable
Frequency Synchronization
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking    
Enable
Power Good
Synchronous Rectification
Tracking    
Enable
Pre-Bias Start-Up
Tracking    
Catalog     Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125     -40 to 125    
16HTSSOP
16WQFN    
24WQFN     14TSSOP     10VSSOP    
1.10 | 1ku     0.95 | 1ku     0.85 | 1ku     0.99 | 1ku    

Featured tools and software

WEBENCH® LM27402
    Min   Max   Range  
  Vin V    3.00 – 20.00V  
  Vout V    0.60 – 18.60V  
  Iout A    ≤ 30A  
  Ambient Temp °C    -40 – 125°C  
Footprint BOM Cost Efficiency
 
   
 
 
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