C1608X5R1A224K データシートの表示（PDF） - International Rectifier
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C1608X5R1A224K Datasheet PDF : 22 Pages
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6A Highly Integrated SupIRBuckTM
IR3473
TYPICAL OPERATING DATA
Tested with demoboard shown in Figure 4, VIN = 12V, VCC = 5V, VOUT = 1.05V, Fs = 300kHz, TA = 25oC, no airflow, unless
otherwise specified.
VOUT
PHASE
VOUT
PHASE
iL
iL
50mV/div 10V/div 2A/div
100µs/div
Figure 17: Load Transient 0‐3A
FCCM
PHASE
VOUT
iL
5V/div 10V/div 500mV/div 5A/div
10µs/div
Figure 19: DCM/FCCM Transition
50mV/div 10V/div 5A/div
100µs/div
Figure 18: Load Transient 3‐6A
FCCM
PHASE
VOUT
iL
2V/div 10V/div 500mV/div 5A/div
5µs/div
Figure 20: FCCM/DCM Transition
Figure 21: Thermal Image at VIN = 12V, IOUT = 6A
(IR3473: 64oC, Inductor: 48oC, PCB: 37oC)
11 March 27, 2013 | V2.2 | PD97601
Figure 22: Thermal Image at VIN = 19V, IOUT = 6A
(IR3473: 67oC, Inductor: 49oC, PCB: 38oC)
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