bp5310 ROHM Co. Ltd., bp5310 Datasheet
bp5310
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bp5310 Summary of contents
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... Regulator ICs PCMCIA / flash memory power supply BP5310 The BP5310 converter for supplying power to PCMCIA flash memory. From a power supply ()5V) for PCMCIA operations, the IC supplies a voltage for programming operations ()12V). FApplications Personal computers, CD-ROM players, portable information devices, and other PCMCIA-slot equipped devices ...
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... Regulator ICs FElectrical characteristics (unless otherwise noted 25_C, V FMeasurement circuit 378 = 5V) CTL BP5310 ...
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... In particular, make sure to mini- mize the impedance between the input-side capacitor (C1) and pin 9. (Reference value: A length less than 50mm for a copper foil of 1.0mm wide and 35 m thickness.) (2) Avoid frequent switching using the ON / OFF CTL pin (five times per second at the maximum). BP5310 379 ...
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... When setting the out- FExternal dimensions (Units: mm) 380 put capacitor, we recommend considering the capaci- tance within the IC card and making the output voltage to reach 8V or more in less than 20ms. BP5310 ...