This part is a kind of semiconductor called TL494.

Function of this product has SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT.

Manufacturers : Motorola Inc

Image and pinout :

Some of the text within the PDF file :

Order this document by TL494/D TL494 SWITCHMODE™ Pulse Width Modulation Control Circuit The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for SWITCHMODE power supply control. • • • • • • • • SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT SEMICONDUCTOR TECHNICAL DATA Complete Pulse Width Modulation Control Circuitry On–Chip Oscillator with Master or Slave Operation On–Chip Error Amplifiers On–Chip 5.0 V Reference Adjustable Deadtime Control Uncommitted Output Transistors Rated to 500 mA Source or Sink Output Control for Push–Pull or Single–Ended Operation Undervoltage Lockout D SUFFIX PLASTIC PACKAGE CASE 751B (SO–16) N SUFFIX PLASTIC PACKAGE CASE 648 PIN CONNECTIONS Noninv Input 1 Inv Input 2 Noninv 16 Input In [ ... ]

TL494 PDF Datasheet Download