RP600K SERIES Step-Up DC_DC Converter with voltage regulator and detector
●RP600K series are high efficiency, current mode step-up DC-DC converter ICs with a voltage regulator and a voltage detector. This converter starts up of low voltage (typ. 0.8V) operation from one or two alkaline or nickel-metal-hydride (NiMH) batteries, or a single Li+ battery.
●This IC consists of a reference voltage unit with soft start, error amplifiers, PWM comparator, protection circuits such as a current limit circuit, an internal switch transistor, an oscillator, and PWM/VFM mode control circuit. A low ripple high efficiency step-up DC/DC converter can be composed of RP600K series with only an inductor, a diode, divider resistors and capacitors. In terms of output voltage setting, fixed type and adjustable with external divider resisters type are available. Output voltage is from 2.3V to 5.5V.
●The built-in LDO Regulator(VR) consists of a reference voltage unit, an error amplifier, output voltage setting resister net, a short current limit circuit, an output transistor, and so on. To prevent the inrush current at start-up, soft-start function is included. The Soft-start time is typically 200μs. The output voltage is fixed internally and the output range is from 1.5V to 5.0V.
●This IC has an MODE pin. When the MODE pin is set as "H", the DC/DC converter control becomes fixed PWM control, and the LDO becomes the fast mode. When the MODE pin is set as "L", the DC/DC converter is automatic PWM/VFM control and the LDO becomes low power mode.
●The voltage detector always turns on. The output is Nch open drain type. Since the package is DFN(PL)2527-10, so high density mounting on board is possible. If the internal chip temperature is beyond the certain level, system reset will work, or thermal shutdown circuit is included in the IC.
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RP600K SERIES 、 RP600K 、 RP600K0xxA 、 RP600K0xxB 、 RP600K2xxC 、 RP600K1xxD 、 RP600K0xxA-TR 、 RP600K0xxB-TR 、 RP600K2xxC-TR 、 RP600K1xxD-TR 、 RP600 、 RP600Kxx1x 、 RP600Kxxxx 、 RP600KxxxA 、 RP600KxxxB 、 RP600KxxxD |
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Step-Up DC_DC Converter 、 high efficiency, current mode step-up DC-DC converter ICs |
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[ Portable equipment ][ DSC ][ cellular phones ][ electrical dictionaries ][ IC recorders ][ Blood pressure meter ][ Smoke Detector ] |
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Datasheet |
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Please see the document for details |
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DFN (PL)2527-10 |
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English Chinese Chinese and English Japanese |
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160330 |
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EA-237-160330 |
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2.5 MB |
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