Ricoh manuals, page 12
RICOH R1171x Series 2A/1.5A LDO handbook
The R1171x Series are CMOS-based LDO regulators featuring 2A/1.5A output. The TO-252-5-P1 and the HSOP-6J that support high wattage can provide the output current up to 2A and 1.5A, respectively. The CMOS process provides both high output current and low supply current. The dropout voltage is significantly lower than bipolar regulators. The CE pin can switch the regulator into standby mode. In addition to a fold-back protection circuit built into conventional LDO regulators, R1171x has a thermal shutdown circuit. Ceramic capacitors can be used.
RICOH RP132x SERIES Low on Resistance Low Voltage 1A LDO handbook
RP132x SERIES Low on Resistance / Low Voltage 1A LDO
RICOH RP132x Series Low Voltage 1A LDO with Ext. VOUT Adjustable handbook
EK-265-111003 is a 1A low voltage LDO chip from ROHM. The chip is manufactured using CMOS technology and has low on-resistance and excellent load regulation. The output voltage range is 0.8V to 5.5V and can be set using an external resistor. The chip also has overcurrent protection and undervoltage protection functions.
RICOH RP131x SERIES LOW ON RESISTANCE LOW VOLTAGE 1A LDO handbook
RICOH RP131x Series Low Voltage 1A LDO handbook
RP131x Series Low Voltage 1A LDO is based on CMOS process and features 1A output with low on-resistance. CMOS process provides both large output current and low supply current. Dropout voltage is significantly lower than bipolar regulators. RP131x handles low voltage with an input voltage from 1.6V and an output voltage from 0.8V. Accordingly, the device supports highly integrated, low voltage-driven LSI as a rear stage of the DC/DC converter. CE pin can switch the regulator into standby mode. In addition to a fold-back protection circuit built into conventional LDO regulators, RP131x has a thermal shutdown circuit and inrush current limit circuit. Ceramic capacitors can be used.
RICOH R1501x SERIES 1A LDO REGULATOR (Operating Voltage up to 24V) handbook
R1501x series are CMOS-based positive voltage regulator (VR) ICs. The R1501xxxxB has features of high input voltage operating, 1A output current drive, and low supply current.
RICOH R1501x Series 1A 24V Input VR handbook
The R1501x Series is a CMOS-based voltage regulator with a 1A output current and 24V input voltage. The R1501x series provides high input voltage operation and low on-resistance (at VOUT = 10V, below 0.6Ω) due to the use of CMOS transistor. In addition to a fold-back protection circuit built into conventional regulators, R1501x 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 R1501x series are very suitable for power source of car accessories.
RICOH R1190x SERIES 1A VOLTAGE REGULATOR (Operating Voltage up to 16V) handbook
The R1190x series is a low supply current voltage regulator with high output voltage accuracy. The maximum operating voltage is 16V and the output current is 1A. Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor-net for voltage setting, as a short current protection, a peak current protection, a thermal shutdown, an inrush current limit and a chip enable circuit. The wide input voltage range (Max. 16V). Additionally, the output voltage is fixed internally, in the range from 2.0V to 12.0V by the 0.1V steps. The supply current of R1190x series is excellent (Typ. 150μA) moreover R1190x series has the standby mode (Typ. 0.1μA) by the chip enable function. Since the package for these ICs are TO-252-5-P2, SOT-89-5 and HSOP-6J with high power dissipation, high density mounting of the ICs on boards is possible.
RICOH R1190x Series 1A 16V Input VR handbook
The R1190x Series are CMOS-based 16V input voltage regulators featuring 1A output. These are suitable for digital home appliances, in which only bipolar types could previously operate. So R1190x contributes to save energy. R1190x has an inrush current limit circuit that limits approximately 300mA when the voltage regulator turns on. It is also possible to set the inrush current limit time by connecting a capacitor with DELAY pin. In addition to TO-252-5-P2 and HSOP-6J packages, a SOT-89-5 package with high-density mounting is available.
RICOH R1173x SERIES Super low on resistance/Low voltage LDO handbook
The R1173x Series are CMOS-based positive voltage regulator ICs. The R1173x Series have features of super low dropout, 1A output current capability, and -3mV typical load regulation at 1A. Even the output voltage is set at 1.5V, on resistance of internal FET is typically 0.32Ω. Therefore, applications that require a large current at small dropout are suitable for the R1173x series. Low input voltage is acceptable and low output voltage can be set. The minimum input voltage is 1.4V, and the lowest set output voltage is 0.8V. Each of these ICs consists of a voltage reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at over-current, a chip enable circuit, a thermal-shutdown circuit, and so on. A stand-by mode with ultra low consumption current can be realized with the chip enable pin. The output voltage types of R1173 are fixed one in the IC and adjustable one (R1173x001x). Since the packages for these ICs are the SOT-89-5 package, HSON-6, or HSOP-6J, high density mounting of the ICs on boards is possible.
RICOH R1173x Series 1A LDO with/without Adjust pin handbook
The R1173x Series is a CMOS-based LDO regulator featuring 1A output. It offers almost the same basic performances as the R1172x Series, but with excellent load regulation.
RICOH R1172x SERIES SUPER LOW ON RESISTANCE LOW VOLTAGE 1A LDO handbook
R1172x SERIES SUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO
RICOH R1172x Series 1A LDO handbook
R1172x Series 1A LDO is a CMOS-based linear regulator featuring 1A output. CMOS process provides both high output current and low supply current. The dropout voltage is significantly lower than bipolar regulators. R1172x handles low voltage with an input voltage from 1.4V and output voltage from 0.8V. Accordingly, the device supports highly integrated, low voltage-driven LSI as a rear stage of the DC/DC converter. The CE pin can switch the regulator into standby mode. In addition to a fold-back protection circuit built into conventional LDO regulators, R1172x has a thermal shutdown circuit and inrush current limit circuit. Ceramic capacitors can be used
RICOH R1170x SERIES 800mA LDO REGULATOR handbook
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.
RICOH R1170x Series 800mA LDO handbook
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.