ONSEMI SG3525A Pulse Width Modulator Control IC (SMD Package)

SKU: SN48

The SG3525A pulse width modulator control circuit offers improved performance and lower external parts count when implemented for controlling all types of switching power supplies. The onˆ‚¬„¢chip +5.1 V reference is trimmed to ± 1% and the error amplifier has an input commonˆ‚¬„¢mode voltage range that includes the reference voltage, thus eliminating the need for external divider resistors. A sync input to the oscillator enables multiple units to be slaved or a single unit to be synchronized to an external system clock. A wide range of deadtime can be programmed by a single resistor connected between the CT and Discharge pins. Features 8.0 V to 35 V Operation 5.1 V± 1.0% Trimmed Reference 100 Hz to 400 kHz Oscillator Range Separate Oscillator Sync Pin Adjustable Deadtime Control Input Undervoltage Lockout Latching PWM to Prevent Multiple Pulses Pulseˆ‚¬„¢byˆ‚¬„¢Pulse Shutdown Dual Source/Sink Outputs: ±400 mA Peak Specification Model SG3525A Brand ONSEMI Type Pulse Width Modulator Control IC Package Style SMD Supply Voltage 40V Output Current ±500mA Power Dissipation 1000mW Operating Junction Temperature 150°C Storage Temperature Range ˆ‚¬„¢55 °C to +125 °C

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