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.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- OBSOLETE
- Datasheet
- LM3211MTX-ADJ Datasheet PDF
- 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 Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 7.5V |
| Input Voltage-Min | 2.2V |
| Input Voltage-Nom | 2.5V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP20,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 1500kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| ## LM3211MTX-ADJ Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM3211MTX-ADJ datasheet?
LM3211MTX-ADJ Datasheet DownloadOfficial 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.
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