;- KA3525A – Fairchild (DIP-16) is a classic PWM controller IC used in switch-mode power supplies (SMPS). It is one of the most common “control chips” in inverters, UPS, and DC-DC converters (push-pull / half-bridge / full-bridge designs). Key functions Inside the chip you get: 5 V precision reference Oscillator (sets switching frequency) PWM comparator Error amplifier Soft-start circuit Dead-time control Undervoltage lockout Dual output driver (A & B) 📌 Main specs (typical) Supply voltage: ~8 V to 35–40 V Outputs: 2 PWM outputs (push-pull or paralleled) Frequency: up to ~430 kHz Package: 16-pin DIP Duty cycle: up to ~45–49% per output Temperature range: 0°C to 70°C (industrial versions vary) 🔌 Pin usage (important idea) Typical blocks: RT/CT → sets frequency COMP → feedback control input SOFT START → gradual startup OUTPUT A / OUTPUT B → drive transistors/MOSFETs VREF → internal 5 V reference ⚡ Where it is used 🔌 SMPS power supplies ⚡ UPS / inverters (12 V → 220 V, etc.) 🖥️ ATX power supplies (older designs) 🔋 Battery chargers 🔧 Industrial DC converters WXDH WILDGOOSE REASUNOS Semiconductor Distributor India Electronic Components Supplier Power Management IC Offline PWM Controller Offline PWM Power Switch IC SMPS Controller IC AC-DC Converter IC Power Supply IC Integrated MOSFET IC High Voltage MOSFET LED Driver IC Mobile Charger IC Industrial Electronics Components Consumer Electronics Components Semiconductor Stockist Semiconductor Supplier Electronic Components Distributor Reliable Semiconductors LLP Semiconductor Solutions Power Electronics Components RoHS Compliant Semiconductor IC Distributor India Power Conversion IC Switch Mode Power Supply IC Available from Reliable Semiconductors LLP Reliable Semiconductors LLP is a trusted supplier of genuine MOSFETs # IGBTs # ICs # relays# semiconductors## resistors# capacitors # mlcc # lcd display # led #box fuse # ssd card # electronic components across India. We support OEMs, manufacturers, service centers, and electronics professionals with quality components and competitive pricing. #MOSFET #PowerMOSFET #NChannelMOSFET #SMPS #Inverter #UPS #PowerElectronics #SemiconductorSupplier #ElectronicComponents #IndustrialElectronics #ReliableSemiconductors #ElectronicsIndia #MOSFETIndia REGARDS, Gaurav D. RELIABLE SEMICONDUCTORS LLP Mob:- 9004223161 Website:- www.reliablesemiconductors.com Whatsapp channel = https://whatsapp.com/channel/0029VbBXk2nJZg4FtfPRzY0O
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;- KA3525A – Fairchild (DIP-16) is a classic PWM controller IC used in switch-mode power supplies (S...
2026-07-01T12:42:18
;- KA3525A – Fairchild (DIP-16) is a classic PWM controller IC used in switch-mode power supplies (SMPS). It is one of the most common “control chips” in inverters, UPS, and DC-DC converters (push-pull / half-bridge / full-bridge designs). Key functions Inside the chip you get: 5 V precision reference Oscillator (sets switching frequency) PWM comparator Error amplifier Soft-start circuit Dead-time control Undervoltage lockout Dual output driver (A & B) 📌 Main specs (typical) Supply voltage: ~8 V to 35–40 V Outputs: 2 PWM outputs (push-pull or paralleled) Frequency: up to ~430 kHz Package: 16-pin DIP Duty cycle: up to ~45–49% per output Temperature range: 0°C to 70°C (industrial versions vary) 🔌 Pin usage (important idea) Typical blocks: RT/CT → sets frequency COMP → feedback control input SOFT START → gradual startup OUTPUT A / OUTPUT B → drive transistors/MOSFETs VREF → internal 5 V reference ⚡ Where it is used 🔌 SMPS power supplies ⚡ UPS / inverters (12 V → 220 V, etc.) 🖥️ ATX power supplies (older designs) 🔋 Battery chargers 🔧 Industrial DC converters WXDH WILDGOOSE REASUNOS Semiconductor Distributor India Electronic Components Supplier Power Management IC Offline PWM Controller Offline PWM Power Switch IC SMPS Controller IC AC-DC Converter IC Power Supply IC Integrated MOSFET IC High Voltage MOSFET LED Driver IC Mobile Charger IC Industrial Electronics Components Consumer Electronics Components Semiconductor Stockist Semiconductor Supplier Electronic Components Distributor Reliable Semiconductors LLP Semiconductor Solutions Power Electronics Components RoHS Compliant Semiconductor IC Distributor India Power Conversion IC Switch Mode Power Supply IC Available from Reliable Semiconductors LLP Reliable Semiconductors LLP is a trusted supplier of genuine MOSFETs # IGBTs # ICs # relays# semiconductors## resistors# capacitors # mlcc # lcd display # led #box fuse # ssd card # electronic components across India. We support OEMs, manufacturers, service centers, and electronics professionals with quality components and competitive pricing. #MOSFET #PowerMOSFET #NChannelMOSFET #SMPS #Inverter #UPS #PowerElectronics #SemiconductorSupplier #ElectronicComponents #IndustrialElectronics #ReliableSemiconductors #ElectronicsIndia #MOSFETIndia REGARDS, Gaurav D. RELIABLE SEMICONDUCTORS LLP Mob:- 9004223161 Website:- www.reliablesemiconductors.com Whatsapp channel = https://whatsapp.com/channel/0029VbBXk2nJZg4FtfPRzY0O
2026-07-01T12:42:18
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