4.5V to 18V Input, 3A Synchronous Step-Down SWIFT™ Converter - TPS54325

TPS54325 (ACTIVE)

4.5V to 18V Input, 3A Synchronous Step-Down SWIFT™ Converter

Recommended alternative parts

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

 
Regulated Outputs (#)
Vin (Min) (V)
Vin (Max) (V)
Vout (Min) (V)
Vout (Max) (V)
Iout (Max) (A)
Topology
Switching Frequency (Max) (kHz)
Switch Current Limit (Typ) (A)
Iq (Typ) (mA)
Duty Cycle (Max) (%)
Soft Start
Compensation
Special Features
Brand
Control Mode
Vref Accuracy (Typ) (%)
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
TPS54325 TPS54425 TPS54426 TPS54326 TPS54526 TPS54525 TPS54625 TPS54626 TPS54328 TPS54327 TPS53318 TPS54339 TPS54329E
1     1     1     1     1     1     1     1     1     1     1     1     1    
4.5     4.5     4.5     4.5     4.5     4.5     4.5     4.5     4.5     4.5     1.5     4.5     4.5    
18     18     18     18     18     18     18     18     18     18     22     23     18    
0.76     0.76     0.76     0.76     0.76     0.76     0.76     0.76     0.76     0.76     0.6     0.76     0.76    
5.5     5.5     5.5     5.5     5.5     5.5     5.5     5.5     7     7     5.5     7     7    
3     4     4     3     5.5     5.5     6.5     6.5     3     3     8     3     3    
Buck     Buck     Buck     Buck     Buck     Buck     Buck     Buck     Buck     Buck     Buck     Buck     Buck    
700     700     700     700     650     650     650     650     700     700     1000     600     650    
4.1     5.4     5.4     4.1     6.9     6.9     8.2     8.2     4.2     4.2     8     4.1     4.2    
0.85     0.85     0.85     0.85     0.9     0.9     0.95     0.95     0.8     0.8     0.32     0.85     0.8    
90     90     90     90     95     95     95     95     90     90     90     90     85    
Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable     Adjustable    
Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed     Not Needed    
Enable
Power Good
Synchronous Rectification    
Enable
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Power Good
Synchronous Rectification    
Enable
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Light Load Efficiency
Synchronous Rectification    
Enable
Synchronous Rectification    
Adjustable Current Limit
Enable
Light Load Efficiency
Power Good
Synchronous Rectification    
Enable
Synchronous Rectification    
Enable
Light Load Efficiency
Synchronous Rectification    
SWIFT     SWIFT     SWIFT     SWIFT     SWIFT     SWIFT     SWIFT     SWIFT     SWIFT     SWIFT     SWIFT        
D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP2     D-CAP     D-CAP2     D-CAP2    
1     1     1     1     1     1     1       2     2     1     2     2    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85    
14HTSSOP     14HTSSOP     14HTSSOP
16QFN    
14HTSSOP
16QFN    
14HTSSOP
16QFN    
14HTSSOP     14HTSSOP     14HTSSOP     10VSON
8SO PowerPAD    
10VSON
8SO PowerPAD    
22LSON-CLIP     8SO PowerPAD     8SO PowerPAD    
0.85 | 1ku     1.02 | 1ku     1.08 | 1ku     0.87 | 1ku     1.22 | 1ku     1.20 | 1ku     1.70 | 1ku     1.75 | 1ku     0.75 | 1ku     0.73 | 1ku     3.05 | 1ku     0.85 | 1ku     0.75 | 1ku    

Other qualified versions of TPS54325

Version Part Number Definition
Automotive TPS54325-Q1 Q100 devices qualified for high-reliability automotive applications targeting zero defects
WEBENCH® TPS54325
    Min   Max   Range  
  Vin V    4.50 – 18.00V  
  Vout V    0.76 – 5.50V  
  Iout A    ≤ 3A  
  Ambient Temp °C    -40 – 125°C  
Footprint BOM Cost Efficiency
 
   
 
 
'U1 Cff Cbst Ren Rpgood Creg Css Rfbb Rfbt L1 Cin Cout '
 
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