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SGM41285 - Step-Up Converter and Current Monitor

General Description

SGM41285 constant frequency pulse width modulating (PWM) step-up DC/DC converter

Key Features

  • an internal switch and a high-side current monitor with high speed adjustable current limiting. This device is capable of generating output voltages up to 70V and providing current monitoring up to 4mA. The SGM41285 operates from 2.8V to 5.5V. The constant frequency (850kHz) current mode PWM architecture provides low noise output voltage that is easy to filter. A high voltage internal power MOSFET allows this device to boost output voltages up to 70V. Internal soft-start circuitry limits the inp.

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Datasheet Details

Part number SGM41285
Manufacturer SG Micro
File Size 947.70 KB
Description Step-Up Converter and Current Monitor
Datasheet download datasheet SGM41285 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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SGM41285 70V, 300mW Step-Up Converter and Current Monitor for APD Bias Applications GENERAL DESCRIPTION SGM41285 constant frequency pulse width modulating (PWM) step-up DC/DC converter features an internal switch and a high-side current monitor with high speed adjustable current limiting. This device is capable of generating output voltages up to 70V and providing current monitoring up to 4mA. The SGM41285 operates from 2.8V to 5.5V. The constant frequency (850kHz) current mode PWM architecture provides low noise output voltage that is easy to filter. A high voltage internal power MOSFET allows this device to boost output voltages up to 70V. Internal soft-start circuitry limits the input current when the boost converter starts. The SGM41285 features a shutdown mode to save power.