KA3525A Regulating Pulse Width Modulator 20V IC DIP-16

Description

KA3525A Regulating Pulse Width Modulator 20V IC DIP-16 The KA3525A is a high-performance regulating pulse-width modulator IC designed for power conversion and control applications. It integrates all essential functions required for implementing fixed-frequency PWM control systems, including a precision voltage reference, oscillator, error amplifier, PWM comparator, soft-start circuitry, shutdown control, undervoltage lockout, and dual totem-pole output drivers. This high level of integration simplifies the design of efficient power management systems. The device is capable of driving switching transistors, MOSFETs, and power stages directly through its complementary output drivers. Its push-pull output architecture makes it particularly suitable for half-bridge, full-bridge, push-pull, and forward converter topologies. It’s widely used in industrial equipment, power supplies, inverters, motor speed controllers, and battery-powered systems requiring precise voltage regulation and reliable PWM control. Features High-Precision Voltage Reference Adjustable Oscillator Integrated Soft-Start Deadtime Control Under-Voltage Lockout Wide Operating Voltage Shutdown Protection Specifications Parameter Value Package 16-DIP Supply Voltage (Vcc) 40V (Max) Collector Supply Voltage (Vc) 40V (Max) Output Current (Sink or Source) 500mA (Max) Reference Output Current 50mA (Max) Oscillator Charging Current 5mA (Max) Operating Temperature 0°C to +70°C Maximum Frequency 400 kHz Minimum Frequency 60 Hz Power Dissipation 1000mW Pinout: Pin Name 1 INV Input 2 NI Input 3 SYNC 4 OSC Output 5 CT C T ​ 6 RT R T ​ 7 Discharge 8 Soft Start 9 Compensation 10 Shutdown 11 Output A 12 Ground 13 VC V C ​ 14 Output B 15 + VIN V I N ​ 16 VREF V REF ​ Applications Switch-Mode Power Supplies (SMPS) DC-DC Converters AC-DC Converters Inverters Motor Control LED Lighting Battery Chargers General Power Management Package Included 1x KA3525A Regulating Pulse Width Modulator 20V IC DIP-16. Datasheet KA3525A

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