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IR3476MTR1PBF Datasheet(PDF) 11 Page - International Rectifier |
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IR3476MTR1PBF Datasheet(HTML) 11 Page - International Rectifier |
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11 / 21 page  August 8, 2012 | ADVANCED DATASHEET | V2.1 | PD97603 11 IR3476 12A Highly Integrated SupIRBuck TM TYPICAL OPERATING DATA Tested with demoboard shown in Figure 4, VIN = 12V, VCC = 5V, VOUT = 1.05V, Fs = 300kHz, TA = 25 oC, no airflow, unless otherwise specified. Figure 17: Load Transient 0-8A Figure 19: DCM/FCCM Transition Figure 21: Thermal Image at VIN = 12V, IOUT = 12A (IR3476: 98 oC, Inductor: 58oC, PCB: 47oC) Figure 18: Load Transient 4-12A Figure 20: FCCM/DCM Transition Figure 22: Thermal Image at VIN = 19V, IOUT = 12A (IR3476: 104 oC, Inductor: 61oC, PCB: 50oC) VOUT PHASE iL 50mV/div 10V/div 5A/div 20µs/div VOUT PHASE iL FCCM PHASE VOUT iL FCCM PHASE VOUT iL 50mV/div 10V/div 5A/div 20µs/div 5V/div 10V/div 500mV/div 5A/div 10µs/div 2V/div 10V/div 500mV/div 5A/div 5µs/div |
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