PT1109 - 380KHz Step-Down Converter

Product Overview

PowTech

Part number	PT1109
Manufacturer	PowTech
File Size	239.87 KB
Description	380KHz Step-Down Converter
Datasheet	PT1109 Datasheet
Additional preview pages of the PT1109 datasheet.

The PT1109 is a monolithic step-down switch mode regulator with a built in internal power MOSFET.

It achieves 1.5A continuous output current over a wide input supply range with excellent load and line regulation.

Current mode operation provides fast transient response and eases loop stabilization.

z 1.5A Output Current z 0.5Ω Internal Power MOSFET Switch z Stable with Low ESR Output Ceramic Capacitors z Up to 95% Efficiency z 23µA Shutdown Mode z Fixed 380KHz Frequency z Thermal Shutdown z Cycle-by-Cycle Over Current Protection z Wide 4.75V to 24V Operating Input Range z Output Adjustable from 1.13V to 18V z Programmable Under Voltage Lockout z Available in 8-Pin SOP8 Packages z Battery Charger z Pre-Regulator for Linear Regulators.

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Published: May 11, 2024 |