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IR3883MTRPBF Datasheet(PDF) 11 Page - Infineon Technologies AG |
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IR3883MTRPBF Datasheet(HTML) 11 Page - Infineon Technologies AG |
11 / 43 page IR3883 SupIRBuck® Synchronous Buck Regulator Specifications Datasheet 11 Rev 3.0 08/20/2016 Figure 5-2 Typical Operation Characteristics (Set 2 of 3) 2.50 3.00 3.50 4.00 4.50 5.00 5.50 ‐40 ‐20 0 20406080 100 120 140 Temperature (°C) Iocp 2.38 2.4 2.42 2.44 2.46 2.48 2.5 2.52 ‐40 ‐20 0 20406080 100 120 140 Temperature (°C) FCCM Start/Stop Threshold FCCM Start FCCM Stop 575 580 585 590 595 600 605 610 615 620 625 ‐40 ‐20 0 20406080 100 120 140 Temperature (°C) OVP_Vth 420 425 430 435 440 445 450 455 ‐40 ‐20 0 20 40 60 80 100 120 140 Temperature (°C) Power Good Threshold VPG(on) VPG(lower) OCSet = Gnd OCSet = Floating OCSet = Vcc 105 106 107 108 109 110 111 112 113 114 115 ‐40 ‐20 0 20 40 60 80 100 120 140 Temperature (°C) On‐Time PVin =12V, Vo = 1.05V 700 750 800 850 900 950 1000 0 0.5 1 1.5 2 2.5 3 Iout (A) Fsw vs. Iout at room temperature Vin=12V, Vo=3.3V, L = XAL5030 ‐222, Co = 2x 22uF 3.15 3.2 3.25 3.3 3.35 3.4 3.45 00.5 11.5 22.5 3 Io (A) Load Regulation at room temperature PVin=12V, Vo=3.3V, fsw=800kHz, L=2.2uH, Co=2x22uF FCCM, Cff=220pF DEM, Cff = 220pF 497.00 498.00 499.00 500.00 501.00 502.00 503.00 ‐40 ‐20 0 20 40 60 80 100 120 140 Temperature (°C) VFB |
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