SY6288F1ABC

Application Note: SY6288F1/F2 \ 3A Low Loss Power Distribution Switch General Description Features SY6288F1/F2 is an ultra-low RDS(ON), 3A Low Loss Power Distribution switch with current limit to protect the power source from over current and short circuit conditions. It incorporates over temperature protection and reverse blocking function. • • • • Ordering Information • • • SY6288F1ABC SY6288F2ABC SOT23-6 SOT23-6 UL certified YES YES Q rep are Package type • • Applications • • • • • • USB 3.1 Application USB 3G Datacard USB Dongle MiniPCI Accessories USB Charger Public Place Multi-USB Charger .C on fi de nti a lP Ordering Number • • • • or H Tempera ture Code Packa ge Code Optiona l Spec Code dF SY6288 □(□□ □□)□ □□ □ Input voltage: 2.5V to 5.5V Extremely Low Power Path Resistance: 45mΩ (typ.) 3A load current capability Two Enable polarities: SY6288F1ABC: Active High SY6288F2ABC: Active Low Over temperature shutdown and automatic retry Reverse blocking (no body diode) Fault flag (OCB) output for over current and fault conditions Programmable current limitation At shutdown, OUT can be forced higher than IN Built-in soft-start Compact package minimizes the board space: SOT23-6 RoHS Compliant and Halogen Free UL certification NO. 20160229-E333762 Sil erg yC orp Typical Application Circuit Figure 1. Schematic Diagram AN_SY6288F1/F2 Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential-prepared for Customer Use Only 1 All Rights Reserved. SY6288F1/F2 or H Q Pinout (Top View) IN 6 lP 5 Output pin, decoupled with a 10µF capacitor to GND. Ground pin. Open Drain Fault Flag ON/OFF control. Do not leave it floating. EN: Active high; ENB: Active low. Current limit programming pin. Connect a resistor RSET from this pin to ground to program the current limit: ILIM (A)=6800/RSET (Ω) Input pin, decoupled with a 10µF capacitor to GND de nti a ISET Pin Description on fi OUT GND OCB EN/ENB Pin number SOT23-6 1 2 3 4 Sil erg yC orp .C Pin Name rep are dF ① Part Number Package type Top Mark SY6288F1ABC SOT23-6 Knxyz SY6288F2ABC SOT23-6 Nfxyz Note① ： x=year code, y=week code, z= lot number code. AN_SY6288F1/F2Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential-prepared for Customer Use Only 2 All Rights Reserved. SY6288F1/F2 de nti a lP rep are dF or H Q Block Diagram Absolute Maximum Ratings orp .C on fi (Note 1) All pins------------------------------------------------------------------------------------------------------------------------------ 6V Power Dissipation, PD @ TA = 25°C SOT23-6 ----------------------------------------------------------------------------- 1.7W Package Thermal Resistance (Note 2) θ JA ----------------------------------------------------------------------------------------------------------------- 61°C/W θ JC ----------------------------------------------------------------------------------------------------------------- 22°C/W Junction Temperature--------------------------------------------------------------------------------------------------------- 150°C Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------------ 260°C Storage Temperature Range ------------------------------------------------------------------------------------- -65°C to 150°C yC Recommended Operating Conditions (Note 3) Sil erg IN------------------------------------------------------------------------------------------------------------------------ 2.5V to 5.5V All other pins ------------------------------------------------------------------------------------------------------------- 0V to 5.5V Junction Temperature Range ------------------------------------------------------------------------------------- -40°C to 125°C Ambient Temperature Range -------------------------------------------------------------------------------------- -40°C to 85°C AN_SY6288F1/F2Rev. 0.9 © 2018 Silergy Corp. Silergy Corp. Confidential-prepared for Customer Use Only 3 All Rights Reserved. SY6288F1/F2 Electrical Characteristics RDS(ON) VIN=5V IOUT=0.5A Current Limit Fold back Current Programmable current limit range Logic-Low Voltage EN/ENB Threshold Logic-High Voltage IN UVLO Threshold IN UVLO Hysteresis ILIM IFBC Rset=6.8k VIN>3.5V, VOUT