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RK73H1J1331F Datasheet(PDF) 8 Page - International Rectifier

Part # RK73H1J1331F
Description  15A Highly Integrated SupIRBuck Constant On.Time Control
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

RK73H1J1331F Datasheet(HTML) 8 Page - International Rectifier

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March 27, 2013  |   V2.5  |  PD97604
8
IR3477 
15A Highly Integrated SupIRBuck
TM 
PARAMETER 
SYMBOL 
CONDITIONS 
MIN 
TYP 
MAX 
UNIT 
Fault Protection 
ISET Pin Output Current   
On the basis of 25°C 
17 
19 
21 
µA 
ISET Pin Output Current  
Temperature Coefficient 
  
On the basis of 25°C, Note 1   
4400   
ppm/ 
°C 
Under Voltage Threshold   
Falling VFB & Monitor 
PGOOD 
0.37 
0.4 
0.43 
Under Voltage Hysteresis   
Rising VFB, Note 1   
7.5   
mV 
Over Voltage Threshold   
Rising VFB & Monitor PGOOD 
0.586 
0.625 
0.655 
Over Voltage Hysteresis   
Falling VFB, Note 1   
7.5   
mV 
VCC Turn‐on Threshold   
 ‐40°C to 125°C 
3.9 
4.2 
4.5  
VCC Turn‐off Threshold   
  
3.6 
3.9 
4.2 
VCC Threshold Hysteresis   
  
  
300   
mV 
EN Rising Threshold  
 ‐40°C to 125°C 
1.1 
1.25 
1.45 
EN Hysteresis  
  
 
400  
mV 
EN Input Current  
EN = 3.3V  
 
15 
µA 
PGOOD Pull Down Resistance  
 
 
25 
50 Ω 
PGOOD Delay Threshold 
VSS  
 
1  
Thermal Shutdown Threshold  
Note 1 
125 
140  
°C 
Thermal Shutdown Threshold 
Hysteresis 
 
Note 1  
20  
°C 
Note:  
1.
Guaranteed by design but not tested in production 
2.
Upgrade to industrial/MSL2 level applies from date codes 1227 (marking explained on application note AN1132 page 2). 
Products with prior date code of 1227 are qualified with MSL3 for Consumer Market. 


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