There are 3 manufacturers in this PWM IC category, the follows are 1 - 3 [Page 1]:
Listings of PWM IC Manufacturers & PWM IC Suppliers
electronic & electrical components- DC DC PWM IC, DC AC PWM IC, battery protector & management IC, LDO, switching power supervisor IC, charge pumps. electronic components- TTL, EEPROM, SRAM, GAL, CMOS, liner IC, CPU (central process utility), IC, flash / memory, PIC IC, current mode pwm controller IC, amplifiers comparators IC, transistors, microcontroller / ROM, TRIAC, photo couple, diodes, electrical connectors, capacitors. IC ( integrated circuits), power IC, PWM IC, PWM control IC ( PWM controller), power management IC, PFC, power factor correction, SPS, switch power supply, SMPS, switching mode power supply, switch mode power supplies, ATX power supply, custom power supply, AC DC ( AC to DC) off line controllers, green modes, blue angels, power savings, PWM switching IC, green chips, power chips, IC design houses, off line controllers, AC to DC adapters, AD DC adaptors, DC DC ( DC to DC) converters, current sharing, CCM, DC...