IRDC3820 International Rectifier, IRDC3820 Datasheet
IRDC3820
Specifications of IRDC3820
Related parts for IRDC3820
IRDC3820 Summary of contents
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... This user guide contains the schematic and bill of materials for the IR3820 evaluation board. programmable The guide describes operation and use of the evaluation board itself. Detailed no information for the IR3820 is available in the IR3820 data sheet. IRDC3820 MOSFET for optimum cost application and 1 ...
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... Vcc input should be a well regulated 5V-12V supply Table I. Connections Connection Signal Name VIN+ V (+12V) in VIN- Ground of V Vcc+ Optional Vcc input Vcc- Ground for Optional Vcc input VOUT- Ground of V VOUT+ V (+1.8V) out P_Good Power Good Signal IRDC3820 in out 2 ...
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... Connection Diagram (Optional External) V CC+ GROUND Fig. 1: Connection diagram of IR3820 evaluation board Rev 0.0 01/07/2008 V = +12v GROUND in L-0R6 P Good IRDC3820 GROUND V = +1.8v OUT 3 ...
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... Fig. 3: Board layout, bottom overlay (rear view) Rev 0.0 01/07/2008 Fig. 2: Board layout, top overlay IRDC3820 4 ...
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... AGND Plain Single point connection between AGND and PGND. Rev 0.0 01/07/2008 Fig. 4: Board layout, mid-layer I. Fig. 5: Board layout, mid-layer II. IRDC3820 PGND Plain 5 ...
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... Rev 0.0 01/07/2008 1 AGnd3 15 Hg PGood Vcc IRDC3820 ...
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... Thick film, 1/10W, 1% 600kHz, 12A, SupIRBuck IR3820 Module Banana Jack, Insulated - Solder Terminal, Black Banana Jack, Insulated - Solder Terminal, Red Banana Jack, Insulated - Solder Terminal, Green IRDC3820 Size Manufacturer Mfr. Part Number Panasonic EEV-FK1E331P 1206 Panasonic ECJ-3YX1C106K 0603 Panasonic ECJ-1VB1H104K 0603 ...
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... Fig. 7: Start up at 12A Load out Fig. 9: Pre-Bias Start up, 0A Load Fig. 11: Inductor node at 12A load Ch :LX out Rev 0.0 01/07/2008 :I 4 out :V out IRDC3820 Fig. 8: Start up at 12A Load out 4 Fig. 10: Output Voltage Ripple, 12A load out , 4 out Fig. 12: Short (Hiccup) Recovery out :V PGood 8 ...
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... TYPICAL OPERATING WAVEFORMS Vin=Vcc=12V, Vo=1.8V, Io=6A- 12A, Room Temperature, No Air Flow Fig. 13: Transient Response 12A step Rev 0.0 01/07/2008 out 4 out IRDC3820 9 ...
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... TYPICAL OPERATING WAVEFORMS Vin=Vcc=12V, Vo=1.8V, Io=12A, Room Temperature, No Air Flow Fig. 14: Bode Plot at 12A load shows a bandwidth of 82kHz and phase margin of 48 degrees Rev 0.0 01/07/2008 IRDC3820 10 ...
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... Efficiency VCC=VIN=12V 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 Power Loss VCC=VIN=12V Rev 0.0 01/07/2008 Load Current (A) Efficiency VIN=12V@VCC=5V Fig.15: Efficiency versus load current Load Current (A) Power Loss VIN = 12V@VCC = 5V Fig.16: Power loss versus load current IRDC3820 ...
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... THERMAL IMAGES Vin=Vcc=12V, Vo=1.8V, Io=12A, Room Temperature, 200LFM Rev 0.0 01/07/2008 Fig. 17: Thermal Image at 12A load Test point 1 is the IR3820 IRDC3820 12 ...
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... The pad lands (the 4 big pads other than the 11 IC pins) length and width should be equal to maximum part pad length and width. However, the minimum metal to metal spacing should be no less than 0.17mm for 2 oz. Copper; no less than 0.1mm for 1 oz. Copper and no less than 0.23mm for 3 oz. Copper. Rev 0.0 01/07/2008 IRDC3820 ...
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... Ensure that the solder resist in between the lead lands and the pad land is ≥ 0.15mm due to the high aspect ratio of the solder resist strip separating the lead lands from the pad land. Rev 0.0 01/07/2008 IRDC3820 ...
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... The maximum length and width of the land pad stencil aperture should be equal to the solder resist opening minus an annular 0.2mm pull back to decrease the incidence of shorting the center land to the lead lands when the part is pushed into the solder paste. Rev 0.0 01/07/2008 IRDC3820 ...
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... This product has been designed and qualified for the Consumer market. Rev 0.0 01/07/2008 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 Visit us at www.irf.com for sales contact information Data and specifications subject to change without notice. 11/07 IRDC3820 TAC Fax: (310) 252-7903 ...