RICOH Manuals

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RP171x SERIES 150mA 10V INPUT LDO REGULATOR

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The RP171x Series are CMOS-based LDO regulators featuring 150mA output current. Due to the 10V maximum input voltage, RP171x can be used for 2 cell lithium-ion battery powered portable appliances and home appliances. RP171x has a fold-back protection circuit, a thermal shutdown circuit and a constant slope circuit. SC-88A and SOT-23-5 packages are available.

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The RP130x Series are CMOS-based positive voltage regulator ICs with high ripple rejection, low dropout voltage, high output voltage accuracy and extremely low supply current

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The RP130x Series are CMOS-based LDO regulators featuring 150mA output. The RP130x features an excellent line transient response, a high ripple rejection at 80dB, and low noise. The polarity of the CE pin can be selected. The version with auto-discharge function is also available. Compared to existing high-speed lines, the RP130x provides low supply current at Typ. 38μA. The series covers a wide voltage range, including the input voltage range of 1.7V to 6.5V and the output voltage range of 1.2V to 5.3V. Ceramic capacitors can be used.

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The RP112x Series are CMOS-based voltage regulator (LDO) ICs, which have been developed using the CMOS process technology, with high output voltage accuracy, low-supply current, low On-resistance transistor, low noise output voltage and high ripple rejection.

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EK-258-110331 RP112x series is CMOS low noise LDO regulators featuring 150mA output current. RP112x features ultra low noise and its Ripple Rejection is as low as 80dB at f=1kHz, 75dB at f=10kHz and 65dB at f=100kHz. The Output Noise is also as low as Typ. 10μVrms. It is kept the low level at any output voltage. RP112x is suitable for the power source for the portable music player and RF module that demands for higher level of noise reduction. SOT-23-5 and SC-88A packages, a 1mm square DFN(PLP)1010-4 package are available.

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The RP110x Series is a voltage regulator (LDO) IC, which has been developed using the CMOS process technology, with high output voltage accuracy, ultra-low supply current, and low ON-resistance transistor. The IC contains the following components: a voltage reference unit, an error amplifier, a resistor-net for output voltage setting, a current limit circuit for preventing short-circuit, a soft-start circuit, and a chip enable circuit. By minimizing the supply current to 1µA, the IC is able to prolong the battery life of each system. The external capacitor is 0.1µF with phase compensation. The IC also has a constant slope circuit as a soft-start circuit, which does not require any external capacitor. It minimizes the inrush current and prevents the output voltage overshoot at the start-up. In addition to the small packaged SOT-23-5 and SC-88A, the RP110x Series offers the ultra-small DFN(PLP)0808-4 package and DFN1010-4, which enables the high density mounting of LDO regulator.

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The R1183Z Series are CMOS-based voltage regulator ICs with extremely low supply current, and low dropout voltage realized with the built-in low ON-resistance Tr. 150mA output current is guaranteed, and the supply current of IC itself is Typ. 1μA at no load. The R1183Z series have almost same characteristics as R1180x Series. Only difference is ultra small chip size package (WLCSP4-P2: 0.79mm×0.79mm) and built-in auto discharge function is available with D version, and output voltage accuracy improved to ±1.2%.

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The R1514x series are CMOS-based positive voltage regulator (VR) ICs featuring 150mA output current. The R1514xxxxB has features of high input voltage and ultra-low supply current. A peak current limit circuit, a short current limit circuit, and a thermal shutdown circuit are built in the R1514x series. The operating temperature is −40°C to 105°C and the maximum input voltage is 36V, the R1514x series are very suitable for power source of car accessories. The regulator output voltage is fixed in the R1514xxxxB and can be selected with a step of 0.1V in the range of 2.0V to 12.0V. Output voltage accuracy is ±2%. The packages for these ICs are the SOT-89-5 for space saving and the HSOP-6J for higher power applications.

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The R1514x series are CMOS-based voltage regulators featuring 150mA output current and 36V input voltage. In addition to a fold-back protection circuit built into conventional regulators, R1514x contains a thermal shutdown circuit. Besides the low supply current by CMOS, the operating temperature is -40°C to 105°C and the maximum input voltage is 36V, the R1514x series are very suitable for power source of car accessories.

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The R1516x Series 150mA 36V Input LDO Regulator is a CMOS-based high-voltage resistant and low supply current voltage regulator IC that provides the minimum 150mA of output voltage. Internally, the R1516x Series consists of a Foldback Protection Circuit, and a Thermal Shutdown Circuit in addition to the basic regulator circuits. The operating temperature range is between –40ºC to 105ºC, and the maximum input voltage is 36V. All these features allow the R1516x Series to become an ideal power source of electric home appliances. The R1516x Series are available in fixed output voltage options between 1.8V and 6.2V in 0.1V steps. The output voltage accuracy is ±1%. The R1516x Series are available in two types of packages: SOT-89-5 that is for high-density mounting and HSOP-6J that is for high wattage.

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R1516x series are CMOS-based voltage regulators featuring 150mA output current and 36V input voltage. In addition to a fold-back protection circuit built into conventional regulators, R1516x contains a thermal shutdown circuit. Besides the low supply current by CMOS, the operating temperature is -40°C to 105°C and the maximum input voltage is 36V, the R1516x series are very suitable for use in digital home appliances. Compared to the same 150mA output R1514x Series, R1516x offers an excellent load transient response.

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The RP103x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON-resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an error amplifier, resistor-net for voltage setting, a current limit circuit, and a chip enable circuit. These ICs perform with low dropout voltage and a chip enable function. The line transient response and load transient response of the RP103x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. The output voltage of these ICs is fixed with high accuracy. Since the packages for these ICs are DFN(PLP)1010-4, SC-82AB, SC-88A (Limited), SOT-23-5, therefore high density mounting of the ICs on boards is possible.

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The RP103x Series are CMOS-based LDO regulators featuring 150mA output current. The RP103x Series features supply current as low as 36μA, which is far lower than current products, 75dB ripple rejection, and low noise. The output voltage accuracy has been improved to ± 1% and the temperature drift coefficient of the output voltage is as low as ± 30ppm/°C.

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The RP104x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low supply current and low ON-resistance. Each of these ICs consists of a voltage reference unit, an error amplifier, resistor-net for voltage setting, a current limit circuit and a chip enable circuit. These ICs perform with ultra low supply current (Typ.1.0µA), which prolong the battery life. Since the packages for these ICs are DFN(PLP)1010-4, SOT-23-5 and SC-82AB (Limited), therefore high density mounting of the ICs on boards is possible.

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The RP109x Series Low Noise 150mA LDO Regulator is a CMOS-based voltage regulator IC with high output voltage accuracy, extremely low supply current, low ON-resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor-net for voltage setting, a current limit circuit and a chip enable circuit. These ICs perform with low dropout voltage and a chip enable function which prolong the battery life. The line transient response and load transient response of the RP109x Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. RP109x Series contributes to the downsizing of the hand-held equipment because it can use the 0.1μF ceramic capacitor. In addition to SOT-23-5, SC-88A and DFN1010-4 packages, a 0.8mm square ultra compact DFN(PLP)0808-4 package is also available.

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RP109x Series are CMOS-based LDO regulators featuring 150mA output. The input voltage (VIN) is as low as Min. 1.4V and the output voltage can be set from 0.8V. RP109x Series features an excellent line transient response, ripple rejection at 75dB, and low noise. The output voltage accuracy has been improved to ± 1% and the temperature drift coefficient of the output voltage is as low as ± 30ppm/°C. In addition to SOT-23-5, SC-88A and DFN1010-4 packages, a 0.8mm square ultra compact DFN(PLP)0808-4 package is also available. RP109x Series contributes to the downsizing of the hand-held equipment because it can use the 0.1μF ceramic capacitor.

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