BL8503-30C1T

BL8503 250mA CMOS Low Dropout Voltage Low consumption Regulator Features Outline Applications BL8503 Typical Application Circuit BL8503 Typical Performance Characteristic Output Voltage VS. Output Current(Vout=1.5V) 1.6 1.5 1.4 1.3 1.2 1.1 1 Application hints 0 100 200 300 http://www.belling.com.cn - 1Total 12 Pages 8/8/2006 BL8503 Selection Guide BL8503 XX X X X Pin Assignment Pin Description Pin number SOT-23-3 SOT-89-3 SM SOT-89-3 (SA) SOT-89-3 (SB) PIN Name Vss Vin Vout NC NC Function http://www.belling.com.cn - 2Total 12 Pages 8/8/2006 BL8503 Product Classification Product Name Output Voltage Package Type Package Marking http://www.belling.com.cn - 3Total 12 Pages 8/8/2006 BL8503 Block Diagram Absolute Maximum Ratings Recommended Work Conditions Item Min Recommended Max unit Electrical Characteristics Vout Vin Vout Vout http://www.belling.com.cn - 4Total 12 Pages 8/8/2006 BL8503 Vout T Vout Vout Vin Vout Vout Vout T Vout Typical Application Circuit Application hints Explanation http://www.belling.com.cn - 5Total 12 Pages 8/8/2006 BL8503 Typical Performance Characteristics 1.Load regulation Output Voltage VS Output Current(Vout=1.5V) 1.6 1.5 1.4 1.3 1.2 1.1 1 0 50 100 150 200 250 300 2.9 2.85 2.8 0 50 100 150 200 250 300 Output Voltage VS Output Current(Vout=3.0V) 3.05 3 2.95 2.Line Regulation Line regulation 1.51 1.505 1.5 1.495 1.49 1.485 1.48 1 2 3 4 5 6 7 8 Vout=1.5V) 3.07 3.05 3.03 3.01 2.99 2.97 2.95 2.93 3 Line regulation (Vout=3.0V) 4 5 6 7 8 9 10 3.Dropout Voltage Dropout Voltage (Vout=1.5V) 1.6 1.5 1.4 1.3 1.2 1.1 1 1.5 1.8 2.1 2.4 2.7 3 3.05 3.04 3.03 3.02 3.01 3 2.99 2.98 2.97 2.96 3 3.2 3.4 3.6 3.8 4 Dropout Voltage (Vout=3.0V) http://www.belling.com.cn - 6Total 12 Pages 8/8/2006 BL8503 4 Input Voltage transient response Vout=1.5V,Iout=10mA Input Voltage transient response Vout=1.5V,Iout=1mA Input Voltage transient response Vout=3.0V,Iout=10mA Input Voltage transient response Vout=3.0V,Iout=1mA 5 Load transient response Vout=1.5V Load transient response Vout=3.0V http://www.belling.com.cn - 7Total 12 Pages 8/8/2006 BL8503 Package Outline http://www.belling.com.cn - 8Total 12 Pages 8/8/2006 BL8503 SOT-23-3: http://www.belling.com.cn - 9Total 12 Pages 8/8/2006 BL8503 http://www.belling.com.cn - 10Total 12 Pages 8/8/2006 BL8503 SOT-23-5: http://www.belling.com.cn - 11Total 12 Pages 8/8/2006 BL8503 http://www.belling.com.cn - 12Total 12 Pages 8/8/2006