BL8551 150mA CMOS High Input Voltage Low Consumption Regulator Features： ： • • • • • • Low Power Consumption：9uA（Typ.） High Output Current： 150mA Small Input-Output Differential： 900mV@150mA (Vout=3.3V) High input voltage (up to 24V) Highly Accuracy：±5% Output Current Limit Applications： ： • • • Battery Powered equipment Communication equipment Audio/Video equipment Block Diagram： ： http://www.belling.com.cn General Description： ： BL8551 series is a group of positive voltage output, high voltage input ,low power consumption, low dropout voltage regulator. It can affords 150mA output current when input- output voltage differential drops to 900mV。 BL8551 can provide output value in the range of 2.5V~12V every 0.1V step. It also can customized on command. BL8551 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. BL8551 has well load transient response and good temperature characteristic, which can assure the stability of chip and power system. And it uses trimming technique to guarantee output voltage accuracy within± 5%. BL8551 is available in SOT-89-5 with EN Pin and SOT-23-5 、TO-92、SOT-89 –3、 SOT-23-3 without EN Pin.packages which is lead free. -1Total 13 Pages 9/17/2009 BL8551 Selection Guide： ： BL8551-XX X X Pin Assignment： ： Product Classification BL8551-□□PRM Pin Configuration Package Type： RM：SOT-23-3 RN：SOT-23-5 SM：SOT-89-3 SN：SOT-89-5 T： TO-92 Temperature range： P：Standard （defualt、lead free） C：Stamdard （customized） Output Voltage： 25……2.5V 30……3.0V 33……3.3V 44……4.4V …… 12……12V BL8551-□□PRN BL8551-□□PSM BL8551-□□PSN BL8551-□□PT ： Pin Description： PIN NUMBER SOT-23 SOT-25 SOT-89-3 SOT-89-5 TO-92 1 3 2 － － 1 2 3 － － 1 2 3 － － 2 5 1 3 4 1 2 3 － － http://www.belling.com.cn -2Total 13 Pages PIN NAME FUNCTION Vss Vin Vout CE NC Ground Supply voltage input Output Voltage Enable pin No connection 9/17/2009 BL8551 Product Classification： ： Product Name Output Voltage Package Type BL8551-25PRM BL8551-30PRM BL8551-33PRM BL8551-50PRM ---------BL8551-12PRM BL8551-25PRN BL8551-30PRN BL8551-33PRN BL8551-50PRN ---------BL8551-12PRN BL8551-25PSM BL8551-30PSM BL8551-33PSM BL8551-50PSM ---------BL8551-12PSM BL8551-25PSN BL8551-30PSN BL8551-33PSN BL8551-50PSN ---------BL8551-12PSN BL8551-25PT BL8551-30PT BL8551-33PT BL8551-50PT ---------BL8551-12PT 2.5V 3.0V 3.3V 5.0V ---------12V 2.5V 3.0V 3.3V 5.0V ---------12V 2.5V 3.0V 3.3V 5.0V ---------12V 2.5V 3.0V 3.3V 5.0V ---------12V 2.5V 3.0V 3.3V 5.0V ---------12V SOT-23 SOT-23 SOT-23 SOT-23 ---------SOT-23 SOT-25 SOT-25 SOT-25 SOT-25 ---------SOT-25 SOT-89-3 SOT-89-3 SOT-89-3 SOT-89-3 ---------SOT-89-3 SOT-89-5 SOT-89-5 SOT-89-5 SOT-89-5 ---------SOT-89-5 TO-92 TO-92 TO-92 TO-92 ---------TO-92 Package Marking Absolute Maximum Ratings： ： Max input voltage ---------------------------------------------------------------------------------- 26V Junction Temperature (TJ) ----------------------------------------------------------------------- 125°C Ambient Temperature(TA) ------------------------------------------------------------------------ -40°C～85°C Power Dissipation SOT-23-3 ------------------------------------------------------------------------------------------ 0.25W SOT-23-5 ------------------------------------------------------------------------------------------ 0.25W SOT-89-3 ------------------------------------------------------------------------------------------ 0.5W SOT-89-5 ------------------------------------------------------------------------------------------ 0.5W TO-92 ---------------------------------------------------------------------------------------------- 0.2W Storage Temperature(Ts) ------------------------------------------------------------------------ -45°C～150°C Lead Temperature and Time -------------------------------------------------------------------- 260°C,10S http://www.belling.com.cn -3Total 13 Pages 9/17/2009 BL8551 Recommended Work Conditions： ： Item Input Voltage Range Ambient Temperature Min Recommended -40 Max 24 +125 unit V °C Electrical Characteristics： ： （Test Conditions：Cin=1uF,Cout=1uF,TA=25°C, Unless otherwise specified. ） Symbol Vin Vout Dropout Voltage Parameter Input Voltage Output Voltage Maximun Output Current Input-Output Voltage Differentia ∆Vout ∆Vin ⋅ Vout Line Regulation ∆Vout Load Regulation Iout(Max.) Quiescent Current Current Limit CE ”H” Input Voltage CE ”L” Input Voltage Iq Ilim VCEH VCEL Conditions Min Vin=Vout+2.0V ×0.95 Vin-Vout=1.5V 150 Typ Max 24 ×1.05 Units V V mA Iout=20mA Iout=150mA 270 900 500 1200 mV Iout=20mA Vout+1V ≤Vin ≤24V 0.2 0.3 %/V 30 60 mV 9 15 uA Vin-Vout=2.0V 1mA ≤Iout ≤40mA Vin-Vout=2.0V Vin=VCE Vin-Vout=2.0V 250 mA 1.5 Vin V 0.0 0.3 V Typical Application Circuit： ： Vce CE Vin Cin Vin BL8551 Vout GND Vout Cout Iout Rload Application hints： ： NOTE1：Input capacitor (Cin=1uF) is recommended in all application circuit. Tantalum capacitor is recommended. NOTE2：Output capacitor (Cout=1uF) is recommended in all application to assure the stability of circuit. Tantalum capacitor is recommended. ： Explanation： http://www.belling.com.cn -4Total 13 Pages 9/17/2009 BL8551 BL8551 is a series of low dropout voltage and low power consumption regulator. Its application circuit is very simple, which only needs two outside capacitors. It is composed of these modules: high accuracy voltage reference, current limit circuit, error amplifier, output driver and power transistor. Current Limit module can keep chip and power system away from danger when load current is more than 150mA. BL8551 uses trimming technique to assure the accuracy of output value within±5%. http://www.belling.com.cn -5Total 13 Pages 9/17/2009 BL8551 Typical Performance Characteristics： ： Iss vs Vin 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 10 8 Iss (uA) Vout (V) Vout vs Iout 6 4 2 0 0 50 100 150 200 250 0 5 10 Iout (mA) 15 20 25 Vin (V) Dropout vs Iout Dropout (V) 2.5 2 1.5 1 0.5 0 0 20 40 60 80 100 120 140 160 Iout (mA) Load Transient Response Cout=0.1uF Input Transient Response Vin=5.3V Iout=20mA Cout=0.1uF 10V 20mA Input Voltage Output Current 1mA 5V Output Voltage Output Voltage http://www.belling.com.cn -6Total 13 Pages 9/17/2009 BL8551 Package Outline： ： SOT-23-3: Package SOT-23-3 Devices per reel 3000 Unit mm Package dimension： Taping Specification： http://www.belling.com.cn -7Total 13 Pages 9/17/2009 BL8551 Taping reel dimension： SOT-23-5: Package SOT-23-5 Devices per reel 3000 Unit mm Package dimension： http://www.belling.com.cn -8Total 13 Pages 9/17/2009 BL8551 Taping Specification： Taping reel dimension： SOT-89-3: http://www.belling.com.cn -9Total 13 Pages 9/17/2009 BL8551 Package SOT-89-3 Devices per reel 1000 Unit mm Package dimension： Taping Specification： http://www.belling.com.cn -10Total 13 Pages 9/17/2009 BL8551 Taping reel dimension： SOT-89-5: Package SOT-89-5 Devices per reel 1000 Unit mm Package dimension： http://www.belling.com.cn -11Total 13 Pages 9/17/2009 BL8551 Taping Specification： Taping reel dimension： TO-92 Package TO-92 http://www.belling.com.cn Devices per Bag 1000 -12Total 13 Pages Unit mm 9/17/2009 BL8551 Package dimension： http://www.belling.com.cn -13Total 13 Pages 9/17/2009