RP154x Series

300mA SMALL DUAL LDO REGULATOR

Data Sheet / Flyer
Data Sheet * Flyer

The RP154x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, low supply current, low dropout, and high ripple rejection. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a short current limit circuit, a chip enable circuit, and so on.

These ICs perform with low dropout voltage due to built-in transistor with low ON resistance. Low supply current and a chip enable function prolongs the battery life of each system. The ripple rejection, line transient response and load transient response of the RP154x 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 internally fixed. Since the packages for these ICs are SOT-23-6 and DFN1216-8, and dual LDO regulators are included in each package, high density mounting of the ICs on boards is possible.

Supply Current  Typ. 50μA×2 (VR1&VR2) 
Standby Current  Typ. 0.1μA×2 (VR1&VR2) 
Input Voltage Range 1.4V to 5.25V 
Output Voltage Range 0.8V to 3.6V (0.1V steps)
(For details, please refer to MARK INFORMATIONS.)
Output Voltage Accuracy ±1.0% (VSET>2.0V, Topt=25°C) 
Temperature-Drift Coefficient of Output Voltage  Typ. ±80ppm/°C 

Dropout Voltage

Typ. 0.24V (IOUT=300mA, VSET=2.5V) 
Ripple Rejection  Typ. 75dB (f=1kHz) 
Line Regulation  Typ. 0.02%/V 
Packages  DFN1216-8, SOT-23-6 
Built-in Fold Back Protection Circuit Typ. 60mA (Current at short mode) 
Ceramic capacitors are recommended to be used with this IC 1.0μF or more 

  • Power source for portable communication equipment.
  • Power source for electrical appliances such as cameras, VCRs and camcorders.
  • Power source for battery-powered equipment.

Data Sheet Flyer Package Info. Mark Info. Quality
Assurance Data
RP154x Series RP154x Series DFN1216-8 RP154L Reliability
SOT-23-6 RP154N Reliability

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