{"product_id":"ka7500-ka7500b-sop16-pwm-switching-power-supply-controller-ic-10pack","title":"KA7500 \/ KA7500B SOP-16 PWM Switching Power Supply Controller IC — 10-Pack","description":"\u003ch2\u003eKA7500 \/ KA7500B SOP-16 PWM Switching Power Supply Controller IC — 10-Pack\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eKA7500 \/ KA7500B\u003c\/strong\u003e is a SOP-16 PWM controller IC from Fairchild (now onsemi), functionally equivalent to the industry-standard \u003cstrong\u003eTL494\u003c\/strong\u003e. It integrates a fixed-frequency PWM oscillator, two error amplifiers, a dead-time comparator, and dual output transistors — providing all the control functions needed for single-ended or push-pull switching power supply design. Widely used in PC ATX power supplies, DC-DC converters, and motor drives. This 10-pack is ideal for repair stock and production.\u003c\/p\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\u003eIC\u003c\/td\u003e\n\u003ctd\u003eKA7500 \/ KA7500B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTL494 Compatible\u003c\/td\u003e\n\u003ctd\u003eYes (pin-for-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e7V – 40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOscillator Frequency\u003c\/td\u003e\n\u003ctd\u003e1kHz – 300kHz (set by RT\/CT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Transistors\u003c\/td\u003e\n\u003ctd\u003e2 (NPN, 200mA each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Mode\u003c\/td\u003e\n\u003ctd\u003eSingle-ended or push-pull\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eError Amplifiers\u003c\/td\u003e\n\u003ctd\u003e2 (differential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead-Time Control\u003c\/td\u003e\n\u003ctd\u003eYes (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Quantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose KA7500?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTL494 pin-compatible\u003c\/strong\u003e — direct replacement in existing TL494 designs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSOP-16 SMD package\u003c\/strong\u003e — compact footprint for modern PCB designs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDual error amplifiers\u003c\/strong\u003e — voltage and current mode control in one IC\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1–300kHz frequency range\u003c\/strong\u003e — covers most SMPS applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e10-pack value\u003c\/strong\u003e — stock for multiple repair jobs and production\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePC ATX power supply PWM controller repair\u003c\/li\u003e\n\u003cli\u003eDC-DC converter push-pull stage controller\u003c\/li\u003e\n\u003cli\u003eMotor drive PWM controller\u003c\/li\u003e\n\u003cli\u003eBattery charger switching controller\u003c\/li\u003e\n\u003cli\u003eIndustrial SMPS design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10 × KA7500 \/ KA7500B SOP-16 PWM Controller IC\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991448473835,"sku":"\u003cnone\u003e","price":6.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ka7500-ka7500b-sop-16-switching-power-supply-controller-ic.webp?v=1761804190","url":"https:\/\/keszoox.com\/products\/ka7500-ka7500b-sop16-pwm-switching-power-supply-controller-ic-10pack","provider":"Keszoox","version":"1.0","type":"link"}