RICOH RP152x SERIES Dual LDO Regulator with Sequence Control Data Sheet User Manual
Summary
The RP152x series is a high-performance, dual Low Dropout Regulator (LDO) IC designed for robust power management in portable electronics. Featuring low dropout voltage and excellent transient response, this CMOS regulator provides reliable, accurate power supply even during dynamic load changes. This manual provides comprehensive technical specifications, selection guides, pin configurations, and detailed application advice covering a wide range of devices, including communication equipment, cameras, and battery-powered appliances. It is essential reading for electrical engineers designing compact, energy-efficient systems requiring stable voltage regulation.
Page 1 Text Content
RP152x SERIES
150m A DUAL LDO REGULATOR WITH SEQUENCE CONTROL
NO. EA-200-111020
OUTLINE The RP152x 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 current limit circuit, and a chip enable circuit. Moreover, in C Version of RP152x, the start-up sequence circuit is built-in. These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable function prolongs the battery life of each system. The line transient response and load transient response of the RP152x 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 with high accuracy. Since the packages for these ICs are SOT-23-6 and DFN1212-6, dual LDO regulators are included in each package are high density mounting of the ICs on boards is possible.
FEATURES • Supply Current .....................................................................Typ. 40μA×2 (VR1&VR2) • Standby Current ...................................................................Typ. 0.1μA×2 (VR1&VR2) • Ripple Rejection ...................................................................Typ. 70d B (f=1k Hz) • 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% (VOUT>2.0V, Topt=25°C) • Temperature-Drift Coefficient of Output Voltage ..................Typ. ±80ppm/°C • Dropout Voltage....................................................................Typ. 0.22V (IOUT=150m A, VOUT=2.8V) • Line Regulation ....................................................................Typ. 0.02%/V • Packages ............................................................................DFN1212-6, SOT-23-6 • Built-in Fold Back Protection Circuit.....................................Typ. 40m A • Ceramic capacitors are recommended to be used with this IC .... 0.22μF 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.
Page Summary Contents For RICOH RP152x SERIES Dual LDO Regulator with Sequence Control Data Sheet User Manual
Manual Details
| Brand | Ricoh |
|---|---|
| Pages | 22 |
| File Size | 415.02 KB |
| Published | May 31, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What is the primary application of the RP152x series?
They are suitable for power sources in hand-held communication equipment and battery-powered devices.
How accurate is the output voltage, and what are the limitations?
The accuracy is ±1.0% at VOUT>2.0V (Topt=25°C).
What types of packages are available for this ICs?
They come in SOT-23-6 and DFN1212-6 packages, both supporting dual LDO regulators.
Is the series suitable for low power or specialized applications?
Yes. It features built-in transistor low ON resistance for low dropout voltage and a chip enable function to prolong battery life.