Cheap And Discounts 10PCS TL494CN DIP16 TL494 TL494C 40V 0.2A 300KHz PWM DC-DC Power Controller Chip Wholesale. Buy Directly From Merchant Shop1103838606 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.