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LM2700

ACTIVE

600kHz/1.25MHz, 2.5A, step-up PWM DC/DC converter

Product details

Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 2.2 Vin (max) (V) 12 Vout (min) (V) 1.26 Vout (max) (V) 17.5 Switch current limit (typ) (A) 3.6 Type Converter Regulated outputs (#) 1 Switching frequency (min) (kHz) 600 Switching frequency (max) (kHz) 1250 Iq (typ) (mA) 1.3 Features Enable, Nonsynchronous rectification Duty cycle (max) (%) 85 Operating temperature range (°C) -40 to 125 Rating Catalog Thermal resistance θJA (°C/W) 150
Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 2.2 Vin (max) (V) 12 Vout (min) (V) 1.26 Vout (max) (V) 17.5 Switch current limit (typ) (A) 3.6 Type Converter Regulated outputs (#) 1 Switching frequency (min) (kHz) 600 Switching frequency (max) (kHz) 1250 Iq (typ) (mA) 1.3 Features Enable, Nonsynchronous rectification Duty cycle (max) (%) 85 Operating temperature range (°C) -40 to 125 Rating Catalog Thermal resistance θJA (°C/W) 150
TSSOP (PW) 14 32 mm² 5 x 6.4 WSON (NHE) 14 16 mm² 4 x 4
  • 3.6A, 0.08Ω, Internal Switch
  • Operating Input Voltage Range of 2.2V to 12V
  • Input Undervoltage Protection
  • Adjustable Output Voltage up to 17.5V
  • 600kHz/1.25MHz Pin Selectable Frequency Operation
  • Over Temperature Protection
  • Small 14-Lead TSSOP or WSON Package

All trademarks are the property of their respective owners.

  • 3.6A, 0.08Ω, Internal Switch
  • Operating Input Voltage Range of 2.2V to 12V
  • Input Undervoltage Protection
  • Adjustable Output Voltage up to 17.5V
  • 600kHz/1.25MHz Pin Selectable Frequency Operation
  • Over Temperature Protection
  • Small 14-Lead TSSOP or WSON Package

All trademarks are the property of their respective owners.

The LM2700 is a step-up DC/DC converter with a 3.6A, 80mΩ internal switch and pin selectable operating frequency. With the ability to produce 500mA at 8V from a single Lithium Ion battery, the LM2700 is an ideal part for biasing LCD displays. The LM2700 can be operated at switching frequencies of 600kHz and 1.25MHz allowing for easy filtering and low noise. An external compensation pin gives the user flexibility in setting frequency compensation, which makes possible the use of small, low ESR ceramic capacitors at the output. The LM2700 features continuous switching at light loads and operates with a switching quiescent current of 2.0mA at 600kHz and 3.0mA at 1.25MHz. The LM2700 is available in a low profile 14-lead TSSOP package or a 14-lead WSON package.

The LM2700 is a step-up DC/DC converter with a 3.6A, 80mΩ internal switch and pin selectable operating frequency. With the ability to produce 500mA at 8V from a single Lithium Ion battery, the LM2700 is an ideal part for biasing LCD displays. The LM2700 can be operated at switching frequencies of 600kHz and 1.25MHz allowing for easy filtering and low noise. An external compensation pin gives the user flexibility in setting frequency compensation, which makes possible the use of small, low ESR ceramic capacitors at the output. The LM2700 features continuous switching at light loads and operates with a switching quiescent current of 2.0mA at 600kHz and 3.0mA at 1.25MHz. The LM2700 is available in a low profile 14-lead TSSOP package or a 14-lead WSON package.

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Technical documentation

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Type Title Date
* Data sheet LM2700 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter datasheet (Rev. C) 07 Mar 2013
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note How to Select a Proper Inductor for Low Power Boost Converter 03 Jun 2016
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 03 May 2016
Application note Working With Boost Converters 15 Jun 2015
EVM User's guide AN-1308 LM2700 Evaluation Board (Rev. A) 30 Apr 2013

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LM2700MT-ADJEV — 600kHz 1.25MHz, 2.5A, Step-up PWM DC DC Converter Evaluation Module

A high current step-up DC/DC converter which can be used for TFT-LCD applications.

User guide: PDF
Not available on TI.com
Simulation model

LM2700 Unencrypted PSpice Transient Model

SNVMAO4.ZIP (3 KB) - PSpice Model
Simulation model

LM2700 Unencrypted PSpice Transient Model Package (Rev. A)

SNVMAO5A.ZIP (83 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

PMP10696 — Boost Converter with LM2700 Reference Design

PMP10696 is designed for portable application of single cell Li-iron power of 3V-4.2Vin, with output of 5V, 1A.
Test report: PDF
Schematic: PDF
Reference designs

PMP10695 — Boost Converter with LM2700 Reference Design

PMP10565 is designed for automotive application of tuner antenna power of 4.5Vin, with output of 10.5V, 100mA.
Test report: PDF
Schematic: PDF
Package Pins Download
TSSOP (PW) 14 View options
WSON (NHE) 14 View options

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Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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