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PQB3-D12-S5-D Datasheet(PDF) 4 Page - CUI INC |
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PQB3-D12-S5-D Datasheet(HTML) 4 Page - CUI INC |
4 / 6 page cui.com CUI Inc │ SERIES: PQB3-D │ DESCRIPTION: DC-DC CONVERTER date 03/19/2013 │ page 4 of 6 Recommended external circuit components Vin (Vdc) 5 12 24 48 FUSE choose according to practical input current MOV -- -- 10D560K 10D101K LDM1 -- -- 56μH 56μH TVS SMCJ13A SMCJ28A SMCJ48A SMCJ90A C0 680μF/16V 680μF/25V 120μF/50V 120μF/100V C1 4.7μF/50V 4.7μF/50V 4.7μF/50V 4.7μF/100V LDM2 12μH 12μH 12μH 12μH C2 4.7μF/50V 4.7μF/50V 4.7μF/50V 4.7μF/100V C3 1nF/2kV 1nF/2kV 1nF/2kV 1nF/2kV EMC RECOMMENDED CIRCUIT DERATING CURVES 100 80 60 40 20 Ambient Temperature (°C) -40-20 0204060 85 105 120 Safe operating area Vin GND +Vo -Vo (0V) EUT LOAD C2 LDM2 C0 TVS LDM1 MO V FUSE C1 C3 Vin GND + (a) (b) 10 Sec. Max. Wave Soldering Time 4 Sec. Max. Peak Temp. 260°C Max. Time (sec.) 250 200 150 100 50 0 Wave Soldering Profile Temperature Derating Curve Figure 1 TEST CONFIGURATION DC Cin Lin DC Load Oscilloscope Current Probe Lin(4.7µH) Cin(220µF, ESR< 1.0Ω at 100KHz) Note: Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance. External components Lin 4.7μH Cin 220μF, ESR < 1.0Ω at 100 KHz |
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