SG3524

ACTIVE

40V, Dual 0.05A 450KHz PWM controller with 0C to 70C

Product details

Vin (max) (V) 40 Operating temperature range (°C) 0 to 70 Control mode Voltage Topology Full bridge Rating Catalog Features Adjustable switching frequency, Error amplifier, Multi-topology Duty cycle (max) (%) 45
Vin (max) (V) 40 Operating temperature range (°C) 0 to 70 Control mode Voltage Topology Full bridge Rating Catalog Features Adjustable switching frequency, Error amplifier, Multi-topology Duty cycle (max) (%) 45
PDIP (N) 16 181.42 mm² 19.3 x 9.4 SOIC (D) 16 59.4 mm² 9.9 x 6 SOP (NS) 16 79.56 mm² 10.2 x 7.8
  • Complete Pulse-Width Modulation (PWM) power-control circuitry
  • Uncommitted outputs for single-ended or push-pull applications
  • 8-mA (TYP) standby current
  • Complete Pulse-Width Modulation (PWM) power-control circuitry
  • Uncommitted outputs for single-ended or push-pull applications
  • 8-mA (TYP) standby current

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, transformerless voltage doublers, and polarity-converter applications employing fixed-frequency, pulse-width modulation (PWM) techniques. The complementary output allows either single-ended or push-pull application. 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.

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, transformerless voltage doublers, and polarity-converter applications employing fixed-frequency, pulse-width modulation (PWM) techniques. The complementary output allows either single-ended or push-pull application. 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.

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Technical documentation

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* Data sheet SGx524 Regulating Pulse-Width Modulators datasheet (Rev. F) PDF | HTML 02 Feb 2021
Application note Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B) 12 Mar 2019

Design & development

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Package Pins CAD symbols, footprints & 3D models
PDIP (N) 16 Ultra Librarian
SOIC (D) 16 Ultra Librarian
SOP (NS) 16 Ultra Librarian

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