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0RHB-D0T033 Datasheet(PDF) 5 Page - Bel Fuse Inc. |
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0RHB-D0T033 Datasheet(HTML) 5 Page - Bel Fuse Inc. |
5 / 12 page Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2-2.5 Vdc/80 A, 3.3 Vdc/70 A, 5 Vdc/48 A, 12 Vdc/20 A Output Output Trim Equations Equations for calculating the trim resistor (in kΩ) are shown below. The Trim Down resistor should be connected between the Trim pin and Ground pin. The Trim Up resistor should be connected between the Trim pin and the Vout. Only one of the resistors should be used for any given application. 1.5 V-12 V: 1.2 V: Notes: Vo_req=Desired(trimmed) output voltage[V] Output voltage Vo=3.308 V for 3.3 V output; Vo=5.000 V for 5.0 V; Vo=12.000 V for 12 V output Efficiency Data Efficiency Curve 79% 82% 85% 88% 91% 94% 3 5 8 10 13 15 18 20 Output Current (A) 36 V 48 V 75 V Efficiency Curve 76% 79% 82% 85% 88% 91% 94% 5 1015 20 2530 35 4045 48 Output Current (A) 36 V 48 V 75 V 0RHB-D0T12x 0RHB-D0T05x Efficiency Curve 76% 79% 82% 85% 88% 91% 94% 10 20 30 40 50 60 70 Output Current (A) 36 V 48 V 75 V Efficiency Curve 73% 76% 79% 82% 85% 88% 91% 94% 10 20 30 40 50 60 70 80 Output Current (A) 36 V 48 V 75 V 0RHB-D0T03x 0RHB-D0T02x 2 225 . 1 5 . 122 ) 100 ( − ⋅ − ⋅ + = delta Vo delta Rtrimup 2 100 − = delta Rtrimdown () [] % 100 _ × − = Vo Vo req Vo delta Module Vout Trim GND Rtrimdown Module Vout Trim GND Rtrimup 2 6125 . 0 25 . 61 ) 100 ( − ⋅ − ⋅ + = delta Vo delta Rtrimup |
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