SG3524N Regulating Pulse Width Modulator IC DIP-16

Description

SG3524N Regulating Pulse Width Modulator IC DIP-16 The SG2524 and SG3524 devices incorporate all the functions required in the construction of a regulating power supply, inverter, or switching regulator on a single chip. They also can be used as the control element for high-power-output applications. The SG2524 and SG3524 were designed for switching regulators of either polarity, transformer-coupled dc-to-dc converters, transformer less voltage doublers, and polarity-converter applications employing fixed-frequency, pulse-width modulation (PWM) techniques. The complementary output allows either single-ended or push-pull applications. Each device includes an on-chip regulator, error amplifier, programmable oscillator, pulse-steering flip-flop, two uncommitted pass transistors, a high-gain comparator, and current limiting and shutdown circuitry. Features Complete Pulse-Width Modulation (PWM) power control circuitry Uncommitted outputs for single-ended or push-pull applications 8-mA (TYP) standby current Pin Configuration Specifications Parameter Value Manufacturer Part No SG3524N Product Type Switching Controllers Datasheet SG2524N Topology Boost, Buck, Flyback, Forward, Push-Pull Operating Supply Voltage 8V to 40V Rise Time 200 ns Number of Outputs 2 Output Switching Frequency 450 kHz Duty Cycle – Max 45 % Input Voltage 40 V Output Voltage 4.6 V to 5.4 V Output Current 50 mA Operating Temperature Range 0°C ~ +70°C Mounting Style Through Hole Package/Case PDIP-16 Applications Transformer-coupled DC/DC converters Switching regulators of any polarity Datasheet SG2524N

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