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RF5A83C-0005, RF5C133, RF5C15-5KL

Table of contents:
Info of RF5A83C-0005
Info of RF5C133
Info of RF5C15-5KL

RF5A83C-0005, RF5C133, RF5C15-5KL Selling Leads, Datasheet

MFG:RICOH Package Cooled:QFP D/C:95+

RF5A83C-0005, RF5C133, RF5C15-5KL Picture

RF5A83C-0005, RF5C133, RF5C15-5KL Datasheet download

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Part Number: RF5A83C-0005

MFG: RICOH

Package Cooled: QFP

D/C: 95+

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RF5C133 General Description

The RF5C133 is a kind of power circuit controller IC. It includes three CMOS process DC/DC converter control circuit systems (two ON-time control PWM systems and one OFF-time control VFM system). The device can configure three SWR systems to generate the CPU power supply voltage, charging voltage, or circuit power supply voltage from AC adapters, dry batteries, or rechargeable batteries. The typical applications include voltage control for portable CD players, electronic book players, video equipment, notebook personal computers, and other battery-operated equipment.

There are some features as follows: (1)step-up, step-down, and inversion DC/DC converters can be easily designed by combining RF5C133 with coils, capacitors and diodes; (2)low current consumption: 25A (typ, stand-by); (3)high efficiency; 70% to 80% (typ. depends on circuit configuration); (4)accurate output voltage: ±5%; (5)small temperature drift of output voltage: ±100 ppm/; (6)package: 24-pin shrink SOP.

The following is about the absolute maximum ratings: (1)power supply voltage, VDD: -0.3 to 6 V; (2)output voltage, VOUT: VSS-0.3 to VDD+0.3 V when CMOS output and VSS-0.3 to 12 V when Nch open drain output; (3)input voltage, VIN: VSS-0.3 to VDD+0.3 V when CMOS input; (4)coil drive output current, IOUT: 200 mA max when circuit (circuit PWM output), 200 mA when charge (CHG, PWM output) and 100 mA when CPU (VDD, PWM output); (5)power consumption, Pd: 500 mW max; (6)operating ambient temperature, Topr: -30 to 80; (7)storage temperature, Tstg: -40 to 125; (8)soldering temperature, Tsolder: 260 10 sec.

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