{"product_id":"tl494cn-tl494c-dip16-pwm-power-supply-controller-ic-5pcs","title":"TL494CN \/ TL494C \/ TL494 DIP-16 PWM Power Supply Controller IC (5-Pack)","description":"\u003ch2\u003eTL494CN \/ TL494C — DIP-16 PWM Power Supply Controller IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTL494\u003c\/strong\u003e is a fixed-frequency pulse-width modulation (PWM) control circuit widely used in \u003cstrong\u003eswitch-mode power supplies, DC-DC converters, and inverters\u003c\/strong\u003e. This listing provides \u003cstrong\u003e5 pieces\u003c\/strong\u003e of the \u003cstrong\u003eTL494CN \/ TL494C in DIP-16\u003c\/strong\u003e through-hole package — new and original parts.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Numbers\u003c\/td\u003e\n\u003ctd\u003eTL494CN \/ TL494C \/ TL494\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eDIP-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (Vcc)\u003c\/td\u003e\n\u003ctd\u003e7V – 40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (per driver)\u003c\/td\u003e\n\u003ctd\u003e200mA sink\/source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOscillator Frequency\u003c\/td\u003e\n\u003ctd\u003e1Hz – 300kHz (set by RT\/CT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eError Amplifiers\u003c\/td\u003e\n\u003ctd\u003e2 (differential, with 70dB gain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead-Time Control\u003c\/td\u003e\n\u003ctd\u003e0–45% (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Modes\u003c\/td\u003e\n\u003ctd\u003eSingle-ended or push-pull\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Voltage\u003c\/td\u003e\n\u003ctd\u003e5V ±1% internal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose TL494CN?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eIndustry-standard PWM controller\u003c\/strong\u003e — used in millions of SMPS designs worldwide\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDual error amplifiers\u003c\/strong\u003e — independent voltage and current control loops\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePush-pull output\u003c\/strong\u003e — directly drives transformer primary in full-bridge\/half-bridge topologies\u003c\/li\u003e\n\u003cli\u003e␅ \u003cstrong\u003eProgrammable dead-time\u003c\/strong\u003e — prevents shoot-through in push-pull stages\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e5V internal reference\u003c\/strong\u003e — no external reference IC needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNew \u0026amp; original\u003c\/strong\u003e — genuine TI\/ST\/ON-compatible parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePush-pull SMPS transformer drivers (EI33, EE42, EE55 cores)\u003c\/li\u003e\n\u003cli\u003eATX power supply repair and modification\u003c\/li\u003e\n\u003cli\u003e12V to 220V inverter driver stages\u003c\/li\u003e\n\u003cli\u003eDC-DC boost converter control (12V to 48V)\u003c\/li\u003e\n\u003cli\u003eMotor speed controller PWM stages\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX Power Supply\u003c\/strong\u003e — primary PWM controller in desktop PC power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V–220V Inverter\u003c\/strong\u003e — push-pull driver for EI33\/EE42 transformer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-DC Converter\u003c\/strong\u003e — boost\/buck-boost topology control up to 300kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPS Inverter Stage\u003c\/strong\u003e — sine-wave or square-wave output control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor PWM Controller\u003c\/strong\u003e — variable frequency drive for DC motors\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between TL494CN and TL494IN?\u003c\/strong\u003e\u003cbr\u003eA: TL494CN is the commercial grade (0°C to +70°C), TL494IN is the industrial grade (-40°C to +85°C). Electrically identical — same pinout and function.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can TL494 drive MOSFETs directly?\u003c\/strong\u003e\u003cbr\u003eA: The TL494 output can sink\/source 200mA, which is sufficient for small gate capacitances. For high-frequency designs or large MOSFETs, add a gate driver IC (IR2110, TC4420) between TL494 and the MOSFET gate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I set the switching frequency?\u003c\/strong\u003e\u003cbr\u003eA: Connect a resistor (RT) between pin 6 and Vref, and a capacitor (CT) between pin 5 and GND. Frequency ≈ 1.1 \/ (RT × CT). For 50kHz: RT=22kΩ, CT=1nF.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× TL494CN \/ TL494C \/ TL494 DIP-16 PWM Controller IC\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991478653163,"sku":"\u003cnone\u003e","price":6.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/tl494cn-tl494c-tl494-dip16-pwm-power-supply-controller-ic.webp?v=1761628479","url":"https:\/\/keszoox.com\/products\/tl494cn-tl494c-dip16-pwm-power-supply-controller-ic-5pcs","provider":"Keszoox","version":"1.0","type":"link"}