RP131L(DFN1616-6B) is the limited product as of February 2021. RP131x SERIES LOW ON RESISTANCE / LOW VOLTAGE 1A LDO NO.EA-174-200128 OUTLINE The RP131x Series are voltage-regulators with a built-in low ON-resistance transistor and output current is 1A capability. These ICs are capable of the low input voltage (Min.1.6V) and also the minimum output voltage can be set from 0.8V. (The output voltage is fixed in the IC.) Each of these ICs consists of a voltage reference unit, an error amplifier, a resistor net for setting output voltage, a chip enable circuit, current limit circuits for over-current and short, and a thermal-shutdown circuit. A standby mode with ultra low supply current can be realized with the chip enable function. The packages for these ICs are DFN1616-6B and DFN(PLP)1820-6 which are suitable for high density mounting of the ICs on boards. SOT-89-5, HSOP-6J and TO-252-5-P2 with high power dissipation are also available. FEATURES Output Current ............................................................ Min. 1A Supply Current ............................................................. Typ. 65A Standby Current ......................................................... Typ. 0.15A Input Voltage Range ................................................... 1.6V to 6.5V (1) Output Voltage Range .................................................. 0.8V to 5.5V (0.1V steps) Dropout Voltage............................................................ Typ. 0.5V (VOUT=2.8V, IOUT=1A) Ripple Rejection ........................................................... Typ. 70dB (f=1kHz, VOUT=2.8V) Output Voltage Accuracy .............................................. 1.0% Temperature-Drift Coefficient of Output Voltage .......... Typ. 100ppm/C Line Regulation ............................................................ Typ. 0.05%/V Load Regulation ......................................................... Typ. 20mV at IOUT=300mA, Typ. 80mV at IOUT=1A Packages ................................................................... DFN1616-6B, DFN(PLP)1820-6, SOT-89-5, HSOP-6J, TO-252-5-P2 Built-in Inrush current limit circuit ............................... Typ. 500mA Built-in Fold-Back Protection Circuit ........................... Typ. 250mA (Current at short mode) Built-in Thermal Shutdown Circuit .............................. Thermal Shutdown Temperature Typ. 165C Released Temperature Typ. 135C Built-in Auto Discharge Function ................................ D version Ceramic capacitors are recommended to be used with this IC .... 2.2F or more (VOUT3.6V) 4.7F or more (VOUT>3.6V) APPLICATIONS Power source for battery-powered equipment. Power source for portable communication equipment. Power source for electrical appliances such as cameras, VCRs and camcorders. Power source for Notebook PC. Power source for home appliances. (1) For other voltages, please refer to MARK INFORMATIONS. RP131L(DFN1616-6B) is the limited product as of February 2021. RP131x NO.EA-174-200128 SELECTION GUIDE The output voltage, auto discharge function, package for the ICs can be selected at the users request. Product Name Package Quantity per Reel Pb Free Halogen Free DFN1616-6B 5,000 pcs Yes Yes RP131Lxx1-TR DFN(PLP)1820-6 5,000 pcs Yes Yes RP131Kxx1-TR RP131Hxx1-T1-FE SOT-89-5 1,000 pcs Yes Yes RP131Sxx1-E2-FE HSOP-6J 1,000 pcs Yes Yes RP131Jxx1-T1-FE TO-252-5-P2 3,000 pcs Yes Yes xx : The output voltage can be designated in the range from 0.8V(08) to 5.5V(55) in 0.1V steps. (For other voltages, please refer to MARK INFORMATIONS.) (1) : The auto discharge function at off state are options as follows. (B) without auto discharge function at off state (D) with auto discharge function at off state BLOCK DIAGRAMS RP131xxx1B RP131xxx1D VDD VOUT VDD VOUT Vref Vref Current Limit Current Limit Thermal Shutdown Thermal Shutdown CE CE GND GND (1) Auto-discharge function quickly lowers the output voltage to 0V, when the chip enable signal is switched from the active mode to the standby mode, by releasing the electrical charge accumulated in the external capacitor. 2