The SG IC incorporates all the functions required in the construction of a regulating power supply , inverter , or switching regulator on a single chip. SG also can be used as the control element for high-power-output applications. The SG were designed for switching regulators of either polarity, transformer-coupled dc-to-dc converters, transformerless voltage doublers, and polarity-converter applications employing fixed-frequency, pulse-width modulation PWM techniques. So if you are looking for an IC to produce PWM signals for controlling a power switch based on the current flowing through the circuit, then this IC might be the right choice for you. Although the IC performs a sophisticated job, using it in a circuit is fairly simple and can be done with a minimum number of external components.
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This monolithic integrated circuit contains all the control circuitry for a. Included in a This device can be. DC converters, transformerless voltage doublers and polarity converters,. The SG is specified for operation. Collector Voltage Logic Inputs Current Limit Sense Inputs Output Current each transistor Reference Load Current Note 1.
Values beyond which damage may occur. J Package:. N Package:. D Package:. L Package:. Oscillator Charging Current Operating Junction Temperature. Hermetic J, L Packages Plastic N, D Packages Storage Temperature Range Lead Temperature Soldering, 10 seconds Note A.
Junction Temperature Calculation:. Note B. All of the above assume no ambient. Error Amp Common Mode Range Oscillator Frequency Range Oscillator Timing Resistor R T Operating Ambient Temperature Range.
Note 2: Range over which the device is functional and parameter limits are guaranteed. Low duty cycle pulse testing techniques are used which maintains junction and. Test Conditions. Reference Section Note 3. Output Voltage. Line Regulation. Load Regulation. Temperature Stability Note 7. Over Operating Temperature Range.
Short Circuit Current. Note 3. Download SG Datasheet. Included in a pin dual-in-line package is the voltage reference, error amplifier, oscillator, pulse width modulator, pulse steering flip-flop, dual alternating output switches and current limiting and shut-down circuitry. This device can be used for switching regulators of either polarity, transformer coupled DC to DC converters, transformerless voltage doublers and polarity converters, as well as other power applications.
All of the above assume no ambient airflow. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.
SG3524 MODULATOR. Datasheet pdf. Equivalent