National Semiconductor LM3310 Datasheet

LM3310 is a step-up DC/DC converter integrated with an Operational Amplifier and a gate pulse modulation switch from National Semiconductor. It features a low RDSON internal switch for maximum efficiency, adjustable output voltage, operating frequency between 660kHz and 1.28MHz, and soft-start function. It is suitable for TFT bias supplies and portable applications.

Brand: National Semiconductor
Category: Power Management
Document type: Datasheet
Language: English
Pages: 25
File format: PDF
File size: 1.6 MB
Published: 06 June, 2012
Updated: 30 September, 2023
MD5 checksum: 315E711F77B1EC552CD3D9F6911A3FE9
PDF: National Semiconductor LM3310 Datasheet PDF

About this manual

The LM3310 is a step-up PWM DC/DC converter featuring an internal 2A, 0.18Ω NMOS switch designed for maximum efficiency. It includes an operational amplifier capable of sourcing/sinking 135mA and a gate pulse modulation (GPM) switch operating with VGH voltages between 5V and 30V.

What's inside

General Description
Features
Applications
Ordering Information
Pin Descriptions
Block Diagrams
Absolute Maximum Ratings
Operating Conditions
Electrical Characteristics

Specifications

Operating Voltage Range	2.5V to 7V
Switching Frequency	660kHz or 1.28MHz
Feedback Voltage (Typ)	1.263 V
Op-Amp Output Current Source	90 to 195 mA

Frequently asked questions

What is the operating frequency of the LM3310?

The switching frequency is selectable between 660kHz and 1.28MHz.

What package does the LM3310 come in?

The device is available in a low profile 24-lead LLP package.

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