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R5220D161B Datasheet(PDF) 2 Page - RICOH electronics devices division |
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R5220D161B Datasheet(HTML) 2 Page - RICOH electronics devices division |
2 / 25 page R5220x 2 BLOCK DIAGRAM LX OUTPUT CONTROL Soft Start Vref VOUT Vref Current Limit VIN MODE ∗1 CE GND OSC Current Limit *1 R5220xxxxA: DC/DC mode: Mode pin= "H", VR mode: Mode pin= "L" R5220xxxxB: DC/DC mode: Mode pin= "L", VR mode: Mode pin= "H" SELECTION GUIDE In the R5220x Series, the output voltage, the version, and the taping type for the ICs can be selected at the user's request. The selection can be made with designating the part number as shown below; R5220xxxxx-xx-x ←Part Number ↑ ↑ ↑↑ ↑ ↑ a b c d e f Code Contents a Designating the Package type: D: SON-6 K: PLP2514-6 b Setting Output Voltage (VOUT) or alphanumeric custom code. c Setting Output Voltage 1: standard (b: output voltage; DC/DC output voltage = LDO output voltage) 2: custom code (b: custom code; DC/DC output voltage ≠ LDO output voltage) d Designation of chip enable and Mode pin polarities A: CE; "H" active, Mode pin; "H" =DC/DC converter mode, "L"=LDO Mode B: CE; "H" active, Mode pin; "L" =DC/DC converter mode, "H"=LDO Mode e Designation of Taping Type; (Refer to Taping Specification) "TR" is prescribed as a standard. f Designation of composition of plating: −F: Lead free plating (SON-6) None: Au plating (PLP2514-6) |
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