This part is a kind of semiconductor called IR2153.
Function of this product has SELF-OSCILLATING HALF-BRIDGE DRIVER.
Manufacturers : International Rectifier
Image and pinout :

Some of the text within the PDF file :
Previous Datasheet Index Next Data Sheet Data Sheet No. PD-6.062A IR2153 SELF-OSCILLATING HALF-BRIDGE DRIVER Features n Floating channel designed for bootstrap operation Fully operational to +600V Tolerant to negative transient voltage dV/dt immune n Undervoltage lockout n Programmable oscillator frequency Product Summary VOFFSET Duty Cycle IO+/Vclamp Deadtime (typ.) 600V max. 50% 200 mA / 400 mA 15.6V 1.2 µs f = 1 1.4 × (R T + 75Ω) × CT n Matched propagation delay for both channels n Micropower supply startup current of 90 µA. n Shutdown function turns off both channels n Low side output in phase with RT Packages Description The IR2153 is a high voltage, high speed, self-oscillating power MOSFET and IGBT driver with both high and low side referenced output channels. Proprie [ ... ]
IR2153 PDF Datasheet Download
