BL8591 100mA High PSRR, Fast Response Linear Regulator DESCRIPTION FEATURES BL8591 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. • • • • BL8591 can provide output value in the range of 1.2V~4.5V every 0.1V step. It also can be customized on command. • • BL8591 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. • • • BL8591 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%. • • Low Power Consumption: 75uA（Typ.） Low Output Noise (47uVRMS) Standby Mode: 0.1uA Low Dropout Voltage: 0.1V@100mA (Typ.) High Ripple Rejection: 66dB@100Hz (Typ.) Low Temperature Coefficient: ± 100ppm/°C Excellent Line Regulation: 0.05%/V Build-in Chip Enable and Discharge Circuit Output Voltage Range: 1.2V~4.5V (Customized on command every 0.1V step) Highly Accurate: ±2% (±1% customized) Output Current Limit APPLICATIONS BL8591 is available in SOT23-3, SOT23-5, SOT89-3, SOT89-5 and TO92 packages which are 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, Mouse, PS2 Games Reference Voltage Source Regulation after Switching Power ELECTRICAL CHARACTERISTICS TYPICAL APPLICATION LC1458CB5TR28 Output BL8591 2.9 2.8 2.7 2.6 Vout(V) Vout（v） BL8591 BL8591 2.5 2.4 2.3 2.2 2.1 2 0 NOTE: Input capacitor (Cin=1uF) and Output capacitor (Cout=1uF/2.2uF) are recommended in all application circuit. www.belling.com.cn 100 200 300 Iload(mA) 1 400 500 600 BL8591 ORDERING INFORMATION PIN CONFIGURATION BL8591 □ 1 □ 2 □ 3 □ 4 □ 5 Product Classification Marking Code Description 1 □ Temperature&Rohs: C:-40~85°C ,Pb Free Rohs Std. Package type: B3:SOT-23-3 B5:SOT-23-5 C3:SOT-89-3 C5:SOT89-5 H:TO-92 Packing type: TR:Tape&Reel (Standard) BG:Bag(TO-92) Output voltage: e.g. 12=1.2V 18=1.8V 45=4.5V Voltage accuracy: Blank(default)=±2% 2 □ 3 □ 4 □ 5 □ J:Product Code JXZZ 1.4V 4 2.7V Product Classification Marking JXZZ 1.5V 5 0 2.8V 8 4.1V 1 1.6V 6 2.9V 9 4.2V 2 1.7V 7 3.0V 0 4.3V 3 1.8V 8 3.1V 1 4.4V 4 1.9V 9 3.2V 2 4.5V 5 2.0V 0 3.3V 3 2.1V 1 3.4V 4 2.2V 2 3.5V 5 2.3V 3 3.6V 6 Product Classification Marking JA:Product Code XX: Output Voltage JAXX YY:Lot No. YYBZZ B:Fab code ZZ:Data Code Product Classification JA:Product Code XX: Output Voltage JAXX YY:Lot No. YYBZZ B:Fab code ZZ:Data Code Product Classification JA:Product Code XX: Output Voltage JAXX YY:Lot No. YYBZZ B:Fab Code ZZ:Data Code Vss Vin Vout CE NC 2.4V 3.7V 7 4 Z: The Year of manufacturing,”7” stands for year 2007,”8” stands for year 2008,and “ 0 ” stands for year 2010. Z: The week of manufacturing. ”A” stands for week 1,”Z” stands for week 26,” A ” stands for week 27,” Z ” stands for week 52. www.belling.com.cn X: Output Voltage ZZ:Data Code 9 4.0V BL8591CB5TR□□□ J:Product Code Code 8 7 X: Output Voltage ZZ:Data Code MARKING DESCRIPTON J: Product Code(SOT23-3&SOT23-5) X: Output Voltage(SOT23-3&SOT23-5) Vout Code Vout Code Vout 1.2V 2 2.5V 3.8V 5 1.3V 3 2.6V 3.9V 6 BL8591CB3TR□□□ 2 BL8591CC3TR□□□ BL8591CC5TR□□□ BL8591CHBG□□□ Ground Pin Supply Voltage Input Output Voltage Chip Enable No Connection BL8591 ABSOLUTE MAXIMUM RATING Parameter Value Max Input Voltage Operating Junction Temperature(Tj) Output Current Ambient Temperature(Ta) Power SOT23-3 Dissipation SOT23-5 SOT89-3 15V 125°C 500mA -40°C –85°C 250mW 250mW 500mW 500mW for normal application 800mW with 10mmx20mm heat dissipation coil 500mW -40°C -150°C 260°C,10S SOT89-5 TO-92 Storage Temperature(Ts) Lead Temperature & Time Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability. RECOMMENDED WORK CONDITIONS Item Min Input Voltage Range Ambient Temperature Recommended -40 Max. Unit 14 85 V °C ELECTRICAL CHARACTERISTICS （Test Conditions: Cin=1uF,Cout=3.3uF,TA=25°C, unless otherwise specified. ） BL8591, For Arbitrary Output Voltage Symbol Parameter Conditions Min Typ Vin Input Voltage Vout Vout Vout>1.5V x0.98 Output Vin=Set Vout+1V Vout Voltage 1mA≤Iout≤30mA Vout Vout Vout<=1.5V -0.03 Maximun Output Iout (Max.) Vin-Vout=1V 100 Current Dropout Vdrop1 Iout=100mA 88 Voltage,Vout≥2.8V ∆Vout ∆Vin ⋅ Vout Line Regulation ∆Vout / ∆Iout Load Regulation Iss Supply Current www.belling.com.cn Iout=40mA 2.8V≤Vin≤8V Vin=Set Vout+1V 1mA≤Iout≤500mA Vin=Set Vout+1V 3 Max 14 Vout X1.02 Vout +0.03 Units V V mA 120 mV 0.05 0.2 %/V 20 40 mV 75 90 uA BL8591 ∆Vout ∆T ⋅ Vout 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” Istandby Rpd Vceh Vcel Vin=Set Vout+1V Vce=GND 0.1 Iout=30mA ±100 ppm/°C 65 dB 200 mA F=100Hz, Ripple=0.5Vp-p Vin=Set Vout+1V Vout=0V 2.0 1.5 0 5.0 1.0 uA 10.0 MΩ Vin 0.25 V V NOTE1: Vdrop=Vin1-(Vout2*0.98) Vout2 is the output voltage when Vin=Vout1+1.0V and Iout=100mA. Vin1 is the input voltage at which the output voltage becomes 98% of Vout1 after gradually decreasing the input voltage. BLOCK DIAGRAM Explanation BL8591 series is a group of positive voltage output, low noise, low power consumption, low dropout voltage regulator. BL8591 can provide output value in the range of 1.2V~4.5V every 0.1V step. It also can be customized on command. BL8591 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. BL8591 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%. www.belling.com.cn 4 BL8591 TYPICAL PERFORMANCE CHARACTERISTICS 1) Output Voltage vs. Output Current (With Output Short Protection) 2) Output Voltage vs. Input Voltage 3 2 1.8 2.5 1.6 1.4 Vout(V) Vout(V) 2 1.5 Vin=3.3V 1 0.5 1.2 Iload=0 Iload=28mA 1 0.8 Vin=3.8V 0.6 Vin=4.8V 0.4 0.2 0 0 200 400 600 800 1000 0 1200 0 2 Iload(mA) 6 8 10 Vin(V) 3) Dropout Voltage vs. Output Current 4) Ripple Rejection vs. Frequency 0.7 90 80 0.6 Vout=2.8V 0.5 70 Vout=1.8V 60 PSRR(dB) Dropout(V) 4 0.4 0.3 50 40 30 0.2 20 0.1 10 0 0 100 200 300 400 500 600 Iload(mA) www.belling.com.cn 0 0.01 0.1 1 Freq(kHz) 5 10 100 BL8591 5) Line transient response Iout=1mA Cout=1uF Iout=50mA Cout=1uF 5V 4V 5V Input Voltage Input Voltage 4V Output Voltage Output Voltage 6) Load transient response Vin=4.6V Cout=1uF Vin=4.6V Cout=4.7uF Output Voltage Output Voltage 50mA 1mA 50mA Output Current Vin=5.8V Cout=1uF Vin=5.8V Cout=1uF 60mA 100mA Output Current Output Current 1mA 1mA Output Voltage www.belling.com.cn Output Current 1mA Output Voltage 6 BL8591 7) Startup Response 8) Shutdown Response EN voltage EN voltage Output voltage Output voltage www.belling.com.cn 7 BL8591 PACKAGE LINE Package SOT-23-3 Devices per reel 3000Pcs Unit mm Devices per reel 3000Pcs Unit mm Package dimension： Package SOT-23-5 Package Dimension: www.belling.com.cn 8 BL8591 Package SOT-89-3 Devices per reel 1000Pcs Unit mm Devices per reel 1000Pcs Unit mm Package Dimension: Package SOT89-5 Package Dimension: www.belling.com.cn 9 BL8591 Package TO-92 Devices per Bag Package Dimension: www.belling.com.cn 10 1000Pcs Unit mm