This part is a kind of semiconductor called AN170.

Function of this product has NE555 and NE556 applications.

Manufacturers : Philips

Image and pinout :

Some of the text within the PDF file :

CSD18563Q5A www.ti.com SLPS444 – JULY 2013 60-V N-Channel NexFET™ Power MOSFETs Check for Samples: CSD18563Q5A 1 FEATURES Ultra Low Qg and Qgd Low Thermal Resistance Avalanche Rated Logic Level Pb Free Terminal Plating RoHS Compliant Halogen Free SON 5-mm × 6-mm Plastic Package PRODUCT SUMMARY TA = 25°C VDS Qg Qgd RDS(on) VGS(th) Drain to Source Voltage Gate Charge Total (10V) Gate Charge Gate to Drain Drain to Source On Resistance Threshold Voltage TYPICAL VALUE 60 15.0 2.9 VGS = 4.5V VGS = 10V 2.0 8.6 5.7 UNIT V nC nC mΩ mΩ V • • • • • • • • 2 ORDERING INFORMATION Device CSD18563Q5A Package SON 5-mm × 6-mm Plastic Package Media 13-Inch Reel Qty 2500 Ship Tape and Reel APPLICATIONS • • • DC-DC Conversion Secondary Side Synchronous Rectifier Motor Cont [ ... ]

CSD18563Q5A PDF Datasheet Download