Leshan Radio Co ., Ltd LR8563 Low noise, fast response 300mA LDO regulator General Description Features • • • • Low Power Consumption: 15uA（Typ.） Low Output Noise (47uVRMS) Standby Mode: 0.1uA Low Dropout Voltage0.16V@300mA (Typ.) • High Ripple Rejection: 73dB@100Hz (Typ.) • Low Temperature Coefficient: ± 100ppm/°C • • Excellent Line Regulation: 0.05%/V Build-in Chip Enable And Discharge Circuit • Output Voltage Range: 1.5V~4.5V (customized on command every 0.1V step) • Highly Accurate: ±2% (±1% customized) • Output Current Limit Applications： LR8563 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. LR8563 can provide output value in the range of 1.5V~4.5V every 0.1V step. It also can be customized on command. LR8563 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. LR8563 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. And it uses trimming technique to guarantee output voltage accuracy within±2%. LR8563 is available in SOT-23-5, SC-70-5 packages which is lead free. It also can available in these packages with lead. • Power source for cellular phones and various kind of PCSs Battery Powered equipment Power Management of MP3, PDA, DSC, LR8563 Typical Application Circuit LR8563 Typical Performance Characteristics Load Regulation (VIN=4.5V) 3.350 3.300 LR8563 3.250 Vout(V) • • 3.200 3.150 3.100 3.050 3.000 0 50 100 150 200 250 300 Iout(mA) 1/9 Leshan Radio Co ., Ltd Selection Guide LR8563-XX X X Package Type： RA: SOT-23-5 RB: SOT-23-5 Q : SC70-5 Features： P：Standard（defualt、lead free） C：Customized Output Voltage： 15……1.5V 28……2.8V 30……3.0V 35……3.5V …… 45……4.5V Pin Assignment LR8563XXPQ LR8563-XXPRX Pin Description SC-70-5 5 1 2 3 4 Pin Number SOT-23-5A 5 1 2 3 4 SOT-23-5B 1 3 2 4 5 Symbol Function VOUT VDD GND CE NC Output pin Input Pin Ground Pin Chip Enable Pin No Connection 2/9 Leshan Radio Co ., Ltd Product Classification Output Voltage Package Type 1.5V SOT-235A SOT-235A SOT-235A SOT-235A SOT-235A SOT-235A SOT-235A SOT-235A SOT-235A 1.8V 2.1V 2.5V 2.8V 3.0V 3.2V 3.3V 3.5V 4.5V SOT-235A Product Name Package Type Product Name Package Type Product Name LR8563-15PRA SOT-23-5B LR8563-15PRB SC70-5 LR8563-15PQ LR8563-18PRA SOT-23-5B LR8563-18PRB SC70-5 LR8563-18PQ LR8563-21PRA SOT-23-5B LR8563-21PRB SC70-5 LR8563-21PQ LR8563-25PRA SOT-23-5B LR8563-25PRB SC70-5 LR8563-25PQ LR8563-28PRA SOT-23-5B LR8563-28PRB SC70-5 LR8563-28PQ LR8563-30PRA SOT-23-5B LR8563-30PRB SC70-5 LR8563-30PQ LR8563-32PRA SOT-23-5B LR8563-32PRB SC70-5 LR8563-32PQ LR8563-33PRA SOT-23-5B LR8563-33PRB SC70-5 LR8563-33PQ LR8563-35PRA SOT-23-5B LR8563-35PRB SC70-5 LR8563-35PQ LR8563-45PRA LR8563-45PRB SC70-5 LR8563-45PQ SOT-23-5B Product Marking information SC70-5 SOT23-5A SOT23-5B LR8563 3/9 Leshan Radio Co ., Ltd Block Diagram Absolute Maximum Ratings： Max input voltage ----------------------------------------------------------------------------8V Junction Temperature (TJ) -----------------------------------------------------------------125°C Output Current -------------------------------------------------------------------------------- 300mA Power Dissipation SOT-23-5---------------------------------------------------------------------------------------250mW Storage Temperature (Ts) ------------------------------------------------------------------45°C～150°C Recommended Work Conditions： Item Input Voltage Range Ambient Temperature Min -40 Recommended Max 6 85 unit V °C 4/9 Leshan Radio Co ., Ltd Electrical Characteristics （Test Conditions: Cin=1uF,Cout=3.4uF,TA=25°C, unless otherwise specified. ） LR8563 for arbitrary output voltage Symbol Parameter Vin Input Voltage Conditions Min Vout x0.98 300 Vout Output Voltage Vin=Set Vout+1V 1mA≤Iout≤30mA Iout (Max.) Maximun Output Current Vin-Vout=1V Vdrop1 Dropout Voltage,Vout≥2.8V ∆Vout ∆Vin ⋅ Vou ∆Vout / ∆Iout Iss Istandby ∆Vout ∆T ⋅ Vout Line Regulation Load Regulation Supply Current Supply Current (Srandby) Output Voltage Temperature Coefficiency PSRR Ripple Rejection Ilim Short Current Limit CE Pull down Resistance CE Input Voltage “H” CE Input Voltage “L” Output Noise Rpd Vceh Vcel En Typ Vout1 Max Units 6 Vout X1.02 V V mA Iout=100mA 50 80 mV Iout=300mA 160 220 mV Iout=40mA 2.8V≤Vin≤6V 0.05 0.2 %/V 30 50 mV 15 25 uA 0.1 1.0 uA Vin=Set Vout+1V 1mA≤Iout≤300mA Vin=Set Vout+1V Vin=Set Vout+1V Vce=GND Iout=30mA F=100Hz, Ripple=0.5Vp-p Vin=Set Vout+1V Vout=0V 2.0 ±100 ppm/°C 70 dB 500 mA 5.0 1.5 0 BW=10Hz~100kHz 47 10.0 MΩ Vin 0.25 V V uVrms 1) Vdrop=Vin1-(Vout2*0.98) Vout2 is the output voltage when Vin=Vout1+1.0V and Iout=300Ma Vin1 is the input voltage at which the output voltage becomes 98% of Vout1 after gradually decreasing the input voltage. 5/9 Leshan Radio Co ., Ltd Typical Application Circuit Application hints NOTE1: Input capacitor (Cin=1uF) is recommended in all application circuit. LR8563 NOTE2: Output capacitor (Cout=3.3uF/4.7uF) is recommended in all application to assure the stability of circuit. Explanation LR8563 series is a group of positive voltage output, low noise, low power consumption, low dropout voltage regulator. LR8563 can provide output value in the range of 1.5V~4.5V every 0.1V step. It also can be customized on command. LR8563 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. LR8563 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. And it uses trimming technique to guarantee output voltage accuracy within±2%. 6/9 Leshan Radio Co ., Ltd Typical Performance Characteristics 1) Output Voltage vs. Output Current (with output short protection) 2) Output Voltage vs. Input Voltage Line Regulation Current limit Vs. Vout 3.5 3.3130 3.0 3.3125 VOUT(V) Vout(V) 2.5 2.0 3.3120 3.3115 1.5 3.3110 1.0 3.3105 3 0.5 4 5 6 VIN(V) 0.0 0 200 400 600 800 1000 Iload(mA) 1200 1400 1600 Iload=14(mA) 3) Dropout Voltage vs. Output Current 4) Ripple rejection vs. Frequency Dropout & Iout PSRR 80 180 160 70 Vout=3.3V Vout=3.3V 140 60 50 100 PSRR(dB) Dropout(mV) 120 80 40 60 30 40 20 20 10 0 0 50 100 150 200 Iout(mA) 250 300 350 0 0.01 0.1 1 10 100 1000 Freq(KHz) 7/9 Leshan Radio Co ., Ltd 5) Line transient response Cin=Cout=1Uf Iout=25mA Vout=3.3V vin 5v 4v 5v 4v vin vout vout 6) Load transient response Cin=Cout=1uF Vin=4.5v Vout=3.3V Output Current 1mA 50mA 50mA Output Current 1mA Output Voltage Output voltage l 7) Startup response EN voltage Output voltage 8) Shutdown response EN voltage Output voltage 8/9 Leshan Radio Co ., Ltd Package Information SOT-23-5 Package specification Unit: mm SC70-5 Package specification Unit: mm 9/9