PJ54M50SQ

PJ54 Series Low Dropout Regulators Description SOT-23 3.VIN The PJ54 Series is a high input voltage,low quiescent current,lowdropout linear regulator able to provide 300mA load current The LDO features very fast response against line voltage transient and load current transient, and ensures no overshoot voltage during the LDO 1.GND start up and short circuit recovery. 2.VOUT SOT-23-3 The device features integrated short-circuit and thermal shutdown 3.VIN protection. Features ⚫ Low Quiescent Current：2.1uA 1.GND ⚫ High Input Voltage Rating：Up to 55V ⚫ Maximum Output Current: 350mA 2.VOUT SOT-89 ⚫ Low Dropout : 350mV @ 100mA 2.VIN ⚫ High PSRR：85dB at 1KHz ⚫ Fixed Output Voltages：1.8V,2.8V,3V,3.3V,5V ⚫ Fast Transient Response ⚫ Current Limiting Protection ⚫ Thermal Shutdown Protection 1.GND 2.VIN 3.VOUT ⚫ Available Packages：SOT-23、SOT-23-3、SOT-89 SOT-23-5 SOT-23-5 and DFN1x1-4L Packages 4. NC 5. VOUT Applications ⚫ Battery-Powered Equipment ⚫ Smoke Detector and Sensor ⚫ Micro Controller Applications 1.VIN 2.GND 3.EN DFN1x1-4L Bottom View 3.EN 2.GND GND 1.VOUT www.pingjingsemi.com Revision：5.0 Dec-2021 4.VIN 1 / 12 PJ54 Series Low Dropout Regulators Functional Pin Description Pin Name Pin Function EN Chip Enable (Active High). Note that this pin is high impedance NC NO Connected GND Ground VOUT Output Voltage VIN Power Input Voltage Ordering Information PJ54 Package Type SA:SOT-23 SC:SOT-23-3 SQ:SOT-89 SE:SOT-23-5 DE:DFN1x1-4L Output Voltage 18 : 1.8V 28 : 2.8V 30 : 3.0V 33 : 3.3V 50 : 5.0V Output current tap M : 350mA Marking Code Note Output Voltage Package Marking Code 1.8V~5V SOT-23 54XX 1.8V~5V SOT-23-3 54XXC 1.8V~5V SOT-23-5 54XXE 1.8V~5V SOT-89 54XX 1.8V~5V DFN1x1-4L 54XX Note . XX : Output Voltage e.g . 30:3.0V 33:3.3V Typical Application Circuit PJ54 Series www.pingjingsemi.com Revision：5.0 Dec-2021 2 / 12 PJ54 Series Low Dropout Regulators Function Block Diagram Absolute Maximum Ratings Ratings at 25℃ ambient temperature unless otherwise specified. Parameter Value Unit VIN to GND Voltage -0.3 ~ +55 V VOUT to GND Voltage -0.3 ~ +6 V VOUT to VIN Voltage -55 ~ +0.3 V EN to GND Voltage -0.3 ~ +55 V Internally limited -- SOT-23 300 mW SOT-23-3 400 mW SOT-89 600 mW SOT-23-5 400 mW DFN1x1-4L 400 mW SOT-23 380 °C/W SOT-23-3 300 °C/W SOT-89 180 °C/W SOT-23-5 300 °C/W DFN1x1-4L 300 °C/W -40 ~ +85 °C 150 °C -40 ~ +150 °C Output Current Power Dissipation Thermal Resistance,Junction-to-Ambient Operating Ambient Temperature Junction temperature Storage temperature range www.pingjingsemi.com Revision：5.0 Dec-2021 3 / 12 PJ54 Series Low Dropout Regulators Electrical Characteristics (VIN=VOUT+1, CIN=1µF, COUT=10µF, TA=25℃ , unless otherwise noted.) Parameter Input Voltage Symbol Test Conditions VIN Output Voltage Accuracy Quiescent Current Maximum Output Current Typ. Max. Unit 3 -- 45 V ∆VOUT VIN=12V, IOUT=10mA -2 -- +2 % IQ VIN=12V, IOUT=0mA -- 2.1 -- μA 300 350 -- mA VIN=VOUTNOM-0.1V, IOUT=10mA -- 35 -- VIN=VOUTNOM-0.1V, IOUT=100mA -- 350 -- -- 0.01 -- %/V -- 0.02 -- %/mA ILIM -- 500 -- mA IOUT_Max Dropout Voltage VDROP Line Regulation ∆VLINE Load Regulation ∆VLOAD Current Limit Min. VOUTNOM+0.5V≤VIN≤40V IOUT=1mA VIN=12V, 1mA