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xRSB-30T05L Datasheet(PDF) 5 Page - Bel Fuse Inc. |
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xRSB-30T05L Datasheet(HTML) 5 Page - Bel Fuse Inc. |
5 / 14 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 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter Apr. 09, 2010 Bel Power Inc., a subsidiary of Bel Fuse Inc. Output Trim Equations Equations for calculating the trim resistor are shown below (Unit: kΩ). 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) Trim Equations for Vo=1.2 V Note : Vo_req=Desired (trimmed) output voltage [V] Vo=1.202 V 2) Trim Equations for Vo=1.5 V - 12 V Note : Vo_req=Desired (trimmed) output voltage [V] Vo=1.503 V for 1.5 V output; Vo=1.804 V for 1.8 V output; Vo=2.505 V for 2.5 V output; Vo=3.308 V for 3.3 V output; Vo=5.002 V for 5 V output; Vo=12.007 V for 12 V output. 22 . 10 511 − = delta Rtrimdown () [] % 100 _ × − = Vo Vo req Vo delta 22 . 10 225 . 1 626 11 . 5 ) 100 ( − ⋅ − ⋅ ⋅ + = delta Vo delta R trimup 22 . 10 511 − = delta Rtrimdown () [] % 100 _ × − = Vo Vo req Vo delta 22 . 10 6125 . 0 313 11 . 5 ) 100 ( − ⋅ − ⋅ ⋅ + = delta Vo delta Rtrimup Module Vout Trim GND Rtrimdown Module Vout Trim GND Rtrimup |
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