RP202 Datasheet, PDF (1/26 Pages) RICOH electronics devices division – Input Voltage Range 1.4V to 5.25V

RP202x SERIES
Low Power/Fast MODE alternative 200mA LDO REGULATOR
OUTLINE
NO.EA-279-160324
The RP202x Series consist of CMOS-based voltage regulator ICs with high output voltage accuracy, low dropout
voltage and low supply current. These ICs perform with the chip enable function and realize a standby mode with
ultra low supply current. To prevent the destruction by over current, the current limit circuit is included. The RP202
Series have 3-mode. One is standby mode with CE pin. The other two are the fast response mode (Fast Mode) and
the low power mode, and switch over automatically according to the load current of the LDO. Supply current of IC
itself at light load is automatically reduced. The output voltage is maintained between Fast Mode and ECO Mode.
The RP202x consists of a voltage reference unit, an error amplifier, a resister net for voltage setting, and a current
limit circuit.
Since the packages for these ICs are SOT-23-5, SC-88A, and DFN(PLP)1010-4, high density mounting of the ICs
on boards is possible.
FEATURES
●Input Voltage Range ............................................. 1.4V to 5.25V
●Output Voltage Range .......................................... 0.8V to 4.0V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
●Supply Current (IOUT=0mA) ................................... Typ. 2.5A
●Supply Current (IOUT=10mA) ................................. Typ. 50A
●Supply Current (Standby Mode) ........................... Typ. 0.1A
●Dropout Voltage .................................................... Typ. 0.20V (IOUT200mA, VOUT2.8V)
●Ripple Rejection.................................................... Typ. 70dB (f1kHz, VOUT2.8V, IOUT30mA)
●Line Regulation ..................................................... Typ. 0.02%/V (IOUT=10mA)
●Packages .............................................................. DFN(PLP)1010-4, SC-88A, SOT-23-5
●Built-in Foldback Protection Circuit....................... Typ. 60mA (Current at short mode)
●Built-in Constant Slope Circuit (Soft-start Function)
●Ceramic capacitors are recommended to be used with this IC ..... 0.47F or more
APPLICATIONS
●Power source for portable communication equipment.
●Power source for electrical appliances such as cameras, VCRs and camcorders.
●Power source for battery-powered equipment.
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