ST8433

STANSON TECHNOLOGY ST8433 (Pb-Free) Constant Voltage and Constant Current Controller DESCRIPTION The ST8433 is high-voltage four-terminal adjustable voltage references, with over current protection feature. The ST8433 is a one chip solution to a 2.5V precision voltage reference and constant current output in the application of secondary feedback control of power supply, DC/DC converter, adaptor and charger. ST8433 is idea for low cost switching power supply application. PIN CONFIGURATION TO-92-4 FEATURE z Voltage Reference Accuracy of 1% z Sink Current Capability from 1mA to 100mA z Adjustable Output Voltage from VREF to 18V z Low Output Noise z Typical Output Dynamic Impedance Less Than 200mΩ z Available in SOT23-5 and TO92-4 package z Over Current Protection R: Reference A: Anode C: Cathode P: Current Enable YY: Year WW: Week SOT-23-5L APPLICATIONS z Battery Charger z Battery Power Equipment z Linear Regulators z Switch Power Supply z Cellular Phone z Digital Cameras z Computer Disk Drivers z Instrumentation Y: Year Code W: WEEK 120 Bentley Square, Mountain View, Ca 94040 USA WWW.STANSONTECH.COM 1 ST8433 2009 V1 STANSON TECHNOLOGY ST8433 (Pb-Free) Constant Voltage and Constant Current Controller ORDERING INFORMATION Part Number Voltage Tolerance Package Part Marking ST8433ATRG 0.5% TO92-4 ST433A ST8433BTRG 1.0% TO92-4 ST433B ST8433ASRG 0.5% SOT23-5L 33xxA ST8433BSRG 1.0% SOT23-5L 33xxB Week Code : A ~ Z ; a ~ z ST8433XTTG S : SOT23-5L ; T...