RICOH Manuals

R1170x series 800mA low dropout voltage regulator ICs are manufactured using CMOS technology. The R1170x series features high ripple rejection, low dropout voltage, high output voltage accuracy, low consumption current.

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R1170x series CMOS low dropout linear regulator (LDO), provide 800mA output. CMOS process provides both high output current and low supply current. Dropout voltage is significantly lower than bipolar regulators. CE pin can switch the regulator into standby mode. In addition to a fold-back protection circuit built into conventional LDO regulators, R1170x has a thermal shutdown circuit.

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The RP111x Series are CMOS-based LDO regulators featuring 500mA output current. The input voltage is as low as 1.4V and the output voltage can be set from 0.7V. Due to a built-in 0.46Ω (at VOUT=2.8V) on-resistor, RP111x can provide a low dropout voltage. RP111x also features an excellent line transient response, ripple rejection at 75dB, and low noise. The output voltage accuracy is as high as ±0.8% and the temperature drift coefficient of output voltage is low at ±30ppm/℃. The accuracy of the output voltage of RP111x includes the temperature characteristics and the load transient response has been improved. The typ. and max value of under/overshoot for various output current are shown in the typical characteristics in the datasheet, therefore the accuracy of the output voltage estimation will be easy on the actual operating cases. In addition to a fold-back protection circuit built into conventional regulators, RP111x contains a thermal shutdown circuit and an inrush current limit circuit. SOT-23-5 and SOT-89-5 packages, a 1.2mm square DFN1212-6 package are available.

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The RP111x series are CMOS-based LDO regulators featuring 500mA output current. The minimum input voltage is as low as 1.4V and the output voltage can be set from 0.7V. Due to a built-in 0.46Ω (at VOUT=2.8V) on-resistor, RP111x can provide a low dropout voltage. RP111x also features a ripple rejection at 75dB and low noise. The output voltage accuracy is as high as ±0.8%. The accuracy of output voltage of RP111x including the temperature characteristics and the load transient response has been improved. The Typ. and Max value of under/overshoot according to the various output current are shown in the typical characteristics in the datasheet, therefore the accuracy of the output voltage estimation will be easy on the actual operating cases. In addition to a fold-back protection circuit built into conventional regulators, RP111x contains a thermal shutdown circuit and an inrush current limit circuit. In addition to SOT-23-5 and SOT-89-5 packages, a 1.2mm square DFN1212-6 package is also available. Ceramic capacitors can be used.

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The R1500x series are CMOS-based voltage regulators featuring 500mA output current and 24V input voltage. R1500x provides high input voltage operation and low on-resistance (at VOUT=10V, below 0.6Ω) because of using CMOS transistor. In addition to a fold-back protection circuit built into conventional regulators, R1500x 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 24V, the R1515x series are very suitable for power source of car accessories.

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The R1500x series are CMOS-based positive voltage regulator (VR) ICs. The R1500xxxxB has features of high input voltage operating, 500mA output current drive, and low supply current.

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RP105x SERIES Low Voltage 400mA LDO Regulator is a 400mA output type CMOS-based voltage regulator ICs with capability of low input voltage (Min. 0.9V) and low output voltage (Min. 0.6V) from ROHM company.

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The RP105x series is a CMOS-based LDO regulator with 400mA output and dual input pins. The input voltage can range from 0.9V to VBIAS. It has a low dropout voltage and excellent line transient response.

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The RP106x Series are low voltage 400mA voltage regulators. These ICs had been further improved of low-voltage capability compared with previous low-voltage product. The input voltage is as low as Min. 1.0V and the output voltage can be set from 0.7V. The output voltage accuracy has been improved to ±0.8% and due to a built-in transistor with low on-resistance of 0.55Ω (at VOUT=1.5V). Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor-net for voltage setting, and a current limit circuits for over-current for the destruction prevention by the over-current. The CE pin can switch the regulator to standby mode. In addition to SOT-23-5 and SC-88A packages, a 0.69mm square WLCSP-4-P5 package and a 1.2mm square DFN(PLP)1212-6 are also available.

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This product is EK-180-110221 400mA CMOS LDO Regulator, with an input voltage range of 1.0V-3.6V, an output voltage range of 0.7V-1.8V, an output voltage accuracy of ±0.8%, a standby current of 0.1μA, a dropout voltage of 0.22V, and a working temperature range of -40℃-85℃.

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RP116Z series voltage regulators have an output voltage accuracy of ±0.8%, an output voltage range that can be adjusted between 0.7V and 1.8V, an input voltage range of 1.0V to 3.6V, and support overcurrent protection.

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The RP116x Series are CMOS-based LDO regulators featuring 400mA output. The input voltage as low as Min. 1.0V and the output voltage can be set from 0.7V.

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The RP200x Series are CMOS-based manual/automatic mode shift LDO regulators featuring 300mA output. In auto switching mode, the operation can switch automatically to fast response mode or low power mode of the ECO function according to output current. (Automatic switching to fast response mode under IOUT>8mA conditions or to low power mode under IOUT<1mA conditions.) In low power mode, supply current is as low as 1.5μA. In fast response mode, ripple rejection is 70dB and noise is low. By inputting control signal into the AE pin, the mode of the regulator can be fixed with fast response mode. In addition to SOT-23-5 packages, a 0.69mm square WLCSP-4-P5 package and a 1.2mm square DFN(PLP)1212-6 are also available.

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The RP170x Series are CMOS-based LDO regulators featuring 300mA output current. Because of the 10V maximum input voltage, RP170x can be used in 2 cell lithium-ion battery powered portable appliances and besides a portable equipment. The supply current is Typ. 23μA though an excellent response characteristics. The output voltage range from 1.2V is possible. The output voltage accuracy and temperature-drift coefficient of output voltage of the RP170x Series are excellent. RP170x has a fold-back protection circuit and a thermal shutdown circuit. Moreover, a standby mode with ultra low supply current can be realized with the chip enable function. SC-88A (Limited), SOT-23-5 and SOT-89-5 with high power dissipation packages are available.

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The RP170x series of 300mA 10V input LDO chips are CMOS technology, with a maximum input voltage of 10V and can be used for 2-cell lithium-ion battery-powered portable and household appliances.

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The RP114x series is a CMOS-based 300mA low dropout linear regulator with high output voltage accuracy, low supply current, low dropout, and high ripple rejection.

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The RP114x Series are CMOS-based LDO regulators featuring 300mA output. RP114x features a supply current from 50μA, a minimum input voltage from 1.4V and the output voltage, which can be set from 0.8V to 3.6V (in 0.1V step). In addition to SOT-23-5 and SC-88A packages, a 1mm square DFN(PLP)1010-4 package is also available. Ceramic capacitors can be used.

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The RP102x series low noise 300mA 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.

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The RP102x series of low noise 300mA LDOs are based on CMOS and feature 300mA output. The RP102x series has a supply current as low as 50μA, which is far lower than existing lines. Due to a built-in 0.4Ω (at VOUT=2.8V) on-resistor, RP102x can provide a low dropout voltage. RP102x also features excellent line transient response, ripple rejection at 80dB, and low noise. The output voltage accuracy is as high as ± 0.8% and the temperature drift coefficient of output voltage is low at ± 20ppm/°C.

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