KA3525A PWM Controller 500mA SMD IC
EGP 15
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KA3525A PWM Controller 500mA SMD IC The KA3525-A is a monolithic integrated circuit designed as a high-performance Pulse-Width Modulation (PWM) controller. It is equipped with a comprehensive set of features that provide all the necessary building blocks to implement a fixed-frequency, voltage-mode switching power supply. The internal architecture includes a temperature-compensated voltage reference, an on-chip error amplifier, a precision oscillator, a pulse-steering flip-flop, a current-limit protection circuit, and an under-voltage lockout (UVLO) circuit. Additionally, the output stage of the KA3525A incorporates two alternating totem-pole output drivers capable of sourcing or sinking up to 500mA of peak current each. This makes the KA3525A ideal for driving the gates of external MOSFETs or IGBTs in push-pull converter topologies. Features: 500mA Output suitable for a wide range of power supply designs. High-performance PWM control for precise voltage and current regulation. SMD Package for space-saving and high-density PCB layouts. Specifications: Parameter Value Component Type PWM Controller Supply Voltage (V <sub> CC </sub> ) 8 V to 35 V Collector Supply Voltage (V <sub> C </sub> ) 40 V Output Current (Sink / Source) 500 mA Reference Voltage 5.1 V Oscillator Frequency Range 100 Hz to 500 kHz Maximum Duty Cycle 49 % Operating Temperature 0 °C to 70 °C Storage Temperature -65 °C to 150 °C Power Dissipation 1000 mW Standby Current 12 mA Rise Time 600 ns Fall Time 300 ns Package Type SOP-16 Applications: Switching mode power supplies (SMPS). DC-DC converters like buck, boost, and flyback. Pure sine wave inverters for consumer electronics. Battery chargers and power management systems. Motor speed control circuits. LED drivers and lighting systems. Package Include: 1x KA3525A PWM Controller 500mA SMD IC Datasheet: KA3525A
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