LM3211MTX-ADJ Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Texas Instruments LM3211MTX-ADJ is a step-up PWM DC/DC converter with 4 integrated buffers, accepting 2.2 V to 7.5 V input. It uses current-mode PWM control and comes in a 20-pin SOIC package. Available from stock with worldwide shipping.

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
LM3211MTX-ADJSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
20
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of LM3211MTX-ADJ?

  • Step-up current-mode PWM DC/DC converter with 4 integrated output buffers simplifying LCD bias and display supply designs
  • Wide input voltage range of 2.2 V to 7.5 V supporting single-cell Li-ion battery and 5 V system inputs
  • Adjustable output voltage configuration allowing flexible output rail setting to suit various display module requirements

What is LM3211MTX-ADJ used for?

The LM3211MTX-ADJ is designed for LCD and display bias supply circuits in mobile phones, PDAs, and portable consumer electronics where a boost converter with integrated gate or op-amp buffers is needed. Its 2.2 V to 7.5 V input range supports Li-ion battery operation through the full discharge curve. The adjustable output and current-mode control provide stable regulation for display panel voltage rails in compact handheld devices.

What are the specifications of LM3211MTX-ADJ?

Pbfree CodeNo
YTEOL0
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max7.5V
Input Voltage-Min2.2V
Input Voltage-Nom2.5V
JESD-30 CodeR-PDSO-G20
JESD-609 Codee0
Number of Functions1
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP20,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Surface MountYES
Switcher ConfigurationBOOST
Switching Frequency-Max1500kHz
Temperature GradeAUTOMOTIVE
Terminal FinishTIN LEAD
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
## LM3211MTX-ADJ Alternates Showing resultsImage
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60

Where can I find the LM3211MTX-ADJ datasheet?

LM3211MTX-ADJ Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM3211MTX-ADJ?

Compatible alternatives and drop-in replacements for LM3211MTX-ADJ:

Frequently Asked Questions

What is the input voltage range of the LM3211MTX-ADJ and how does it benefit battery-powered designs?

The LM3211MTX-ADJ accepts a 2.2 V to 7.5 V input, allowing it to operate directly from a single-cell Li-ion battery that discharges from 4.2 V to 3.0 V. This wide range ensures the step-up converter can maintain a stable boosted output voltage across the full battery discharge cycle without requiring additional power management components.

Why does LM3211MTX-ADJ integrate 4 buffers alongside the boost converter?

The 4 integrated buffers in LM3211MTX-ADJ are intended to drive LCD panel bias voltages such as VGH, VGL, VCOM, and AVDD from the boosted output rail, eliminating the need for external op-amp ICs in display power supply circuits. Combining a boost converter and 4 buffers in a single 20-pin SOIC device reduces BOM count and PCB area in TFT LCD driver power circuits.

How does current-mode PWM control in LM3211MTX-ADJ improve converter performance?

Current-mode PWM control in the LM3211MTX-ADJ provides inherent cycle-by-cycle overcurrent limiting and faster transient response compared to voltage-mode converters. This improves output stability when display loads change abruptly, such as during LCD backlight dimming transitions, and allows smaller external inductors at the 2.2 V to 7.5 V input range for compact portable designs.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
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Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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