R1131x Series Low Voltage 300mA LDO The R1131x Series are CMOS-based LDO regulators featuring 300mA output. The input voltage (VIN) is as low as Min. 1.4V and the output voltage can be set from 0.8V. The CE pin can switch the regulator into standby mode. Ceramic capacitors can be used. (VOUT > = 1.0V) FEATURES * Supply Current (ISS) ************************ Typ. 80A (VIN=SET VOUT+1V, VOUT<1.8V) * * * * * Typ. 60A (Same as above, VOUT > = 1.8V) Standby Current (Istandby) ***************** Typ. 0.1A (Same as above, in standby) Dropout Voltage (VDIF) ******************** Typ. 0.23V (IOUT=300mA, VOUT=2.8V) Ripple Rejection (RR)********************* Typ. 65dB (f=1kHz) Input Voltage Range (VIN) *************** 1.4V to 6.0V Output Voltage Range (VOUT)********** 0.8V to 3.3V (internally fixed) * Output Voltage Accuracy **************** 2% * Temp. coeff. of Output Voltage *******Typ. 100ppm/C * Line Regulation*******************************Typ. 0.01%/V * Fold-back Protection Circuit************Current limit Typ. 50mA * Auto-Discharge function *****************D Version * Packages ****************************************SON-6, SOT-23-5, HSON-6 * Ceramic capacitors can be used. ***1F or more (VOUT >= 1.0V) BLOCK DIAGRAMS R1131xxxxA R1131xxxxB R1131xxxxD ( CE pin "L" active) (CE pin "H" active) (With Auto-Discharge function) VOUT VDD VOUT VDD VOUT VDD - - - + + + Vref Vref Vref Current Limit Current Limit Current Limit GND CE GND CE GND CE SELECTION GUIDES Quantity per Reel Part No. 3,000 pcs R1131D.xx.1. -TR-F 3,000 pcs R1131N.xx.1. -TR-F 3,000 pcs R1131D.xx.2. -TR-F .xx. : Specify the output voltage within the range 0.8V (.08.) to 3.3V (.33.) in 0.1V steps. .. : Select the polarity of the CE pin from (.A.) "L" active, (.B.) "H" active or (.D.) "H" active with auto-discharge function. PACKAGES (Top View) SON-6 6 5 4 TYPICAL CHARACTERISTIC SOT-23-5 HSON-6 5 6 4 5 1 1 2 3 4 5 6 2 1 1 2 3 4 5 2 3 VDD GND CE or CE NC VOUT 1 1 2 3 4 5 6 2 3 VDD NC VOUT NC GND CE or CE Dropout Voltage vs. Output Current 0.40 3 VDD NC VOUT NC GND CE or CE R1131x33xx 4 Dropout Voltage VDIF (V) Package SON-6 SOT-23-5 HSON-6 85C 25C -40C 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 0 50 100 150 200 250 Output Current IOUT (mA) 300 ) The tab and tab suspension leads on back side are substrate level (GND). APPLICATIONS * Power source for hand-held communication equipment, cameras, and VCRs * Power source for home appliances No.EK-116-100119 * Power source for battery-powered equipment CMOS LDO Regulator