G1555 Datasheet PDF (ANALOG PWM) | Download Global Semiconductor G1555

G1555 - ANALOG PWM

Description

The G1555 is a high performance AC/DC power supply Switch for battery charger and adapter applications requirements up to 28W in an open frame design.It can meet less than 80 mW standby power.

G1555 is a current mode PWM Switch with a high voltage power MOSFET.

Features

Built-in Soft Start.
Random Frequency Adjustment to Reduce System EMI.
Audio Noise Free Operation.
Internal Cable Compensation.
Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.
Internal Synchronized Slope Compensation.
Low VDD Startup Current and Low Operating Current.
Leading Edge Blanking on Current Sense Input.
Over Load Protection(OLP) and Cycle-by-Cycle Current Limiting Protection(OCP).
Over Voltage Prot.

Datasheet Details

Part number	G1555
Manufacturer	Global Semiconductor
File Size	3.64 MB
Description	ANALOG PWM
Datasheet	G1555 Datasheet
Additional preview pages of the G1555 datasheet.

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Full PDF Text Transcription

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G1555 High Performance Current Mode PWM Switch ANALOG PWM IC 1.0 General Description The G1555 is a high performance AC/DC power supply Switch for battery charger and adapter applications requirements up to 28W in an open frame design.It can meet less than 80 mW standby power. G1555 is a current mode PWM Switch with a high voltage power MOSFET. It operates in fixed frequency which is precisely set internally. It could operate in Extended Burst Mode at no load or light load, in which mode switching loss is minimized and the frequency is adjusted internally. To ensure that power supplies work quietly, the frequency is set beyond 20 KHz. Small current is needed when G1555 starts up and works, thus a large value resistor could be used in the startup circuit to minimize the standby power.

Published: Apr 14, 2019 |