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SGM46000 - 3W Primary-Side Transformer H-Bridge Driver

General Description

The SGM46000 is an integrated primary-side controller and H-bridge driver for isolated power-supply circuits.

The device contains an on-board oscillator, protection circuitry and internal FET drivers to provide up to 3W of power to the primary winding of a transformer from +5V power supply.

Key Features

  • Provides Up to 3W to the Transformer in Isolated Power Supplies.
  • Single Supply 2.5V to 5.5V Wide Operation Range.
  • Internal Resistor-Programmable Oscillator Mode.
  • External Clock Mode with Watchdog.
  • Disable Mode.
  • Under-Voltage Lockout Function.
  • Thermal Shutdown.
  • -40℃ to +125℃ Operating Temperature Range.
  • Available in Green SOIC-8 (Exposed Pad) Package The SGM46000 operates from a single-supply voltage of 2.5V to 5.5V, and includes under-voltage lockou.

📥 Download Datasheet

Datasheet Details

Part number SGM46000
Manufacturer SG Micro
File Size 364.74 KB
Description 3W Primary-Side Transformer H-Bridge Driver
Datasheet download datasheet SGM46000 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SGM46000 3W Primary-Side Transformer H-Bridge Driver for Isolated Supplies GENERAL DESCRIPTION The SGM46000 is an integrated primary-side controller and H-bridge driver for isolated power-supply circuits. The device contains an on-board oscillator, protection circuitry and internal FET drivers to provide up to 3W of power to the primary winding of a transformer from +5V power supply. The SGM46000 can be operated using the internal programmable oscillator or can be driven by an external clock for improved EMI performance. Regardless of the clock source being used, an internal flip-flop stage guarantees a fixed 50% duty cycle to prevent DC current flow in the transformer. FEATURES  Provides Up to 3W to the Transformer in Isolated Power Supplies  Single Supply 2.5V to 5.