LM1771TMM/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

The LM1771TMM/NOPB is a low-voltage synchronous buck controller from Texas Instruments with constant on-time voltage-mode control, precision enable, and no external compensation required, operating from 2.8V to 5.5V input in an SO-8 package. Output voltage is adjustable down to 0.8V for tight point-of-load regulation. Available from stock worldwide with competitive pricing and fast shipping.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
LM1771TMM/NOPBSmall Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
8
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $0.8804(MOQ 1000)
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 LM1771TMM/NOPB?

  • Constant on-time control with no external compensation simplifies design and reduces BOM cost
  • 2.8V to 5.5V input range with adjustable output as low as 0.8V supports modern low-voltage SoC rails
  • Precision enable input allows accurate power sequencing and system power management
  • Pb-free SO-8 package with 15-year YTEOL ensures long-term supply availability for production designs

What is LM1771TMM/NOPB used for?

The LM1771TMM/NOPB is ideal for point-of-load DC-DC conversion in portable electronics, notebook computers, and communication equipment powered from 3.3V or 5V rails. Its adjustable output as low as 0.8V makes it well-suited for powering low-voltage processors, FPGAs, and DDR memory in space-constrained designs. The precision enable input and simple compensation-free design also make it popular in multi-rail power sequencing systems and industrial embedded boards.

What are the specifications of LM1771TMM/NOPB?

Pbfree CodeYes
YTEOL15
Additional FeatureALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V
Analog IC - Other TypeSWITCHING CONTROLLER
Control ModeVOLTAGE-MODE
Control TechniqueCONSTANT ON TIME
Input Voltage-Max5.5V
Input Voltage-Min2.8V
Input Voltage-Nom3.3V
JESD-30 CodeS-PDSO-G8
JESD-609 Codee3
Number of Functions1
Number of Outputs1
Output Current-Max6A
Output Voltage-Max4.5V
Output Voltage-Min0.8V
Package Body MaterialPLASTIC/EPOXY
Package ShapeSQUARE
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260
Surface MountYES
Switcher ConfigurationPUSH-PULL
Switching Frequency-Max2000kHz
TechnologyCMOS
Temperature GradeAUTOMOTIVE
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.90

Where can I find the LM1771TMM/NOPB datasheet?

LM1771TMM/NOPB Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for LM1771TMM/NOPB?

Compatible alternatives and drop-in replacements for LM1771TMM/NOPB:

LM1771TMMNational Semiconductor Corporation

Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max

View Part →

Frequently Asked Questions

What is the input voltage range of the LM1771TMM/NOPB?

The LM1771TMM/NOPB accepts an input voltage from 2.8V to 5.5V, with a nominal operating point at 3.3V, covering the most common low-voltage power rails in portable and embedded electronics.

What is the minimum output voltage of the LM1771TMM/NOPB?

The LM1771TMM/NOPB can regulate output voltage as low as 0.8V, making it suitable for powering modern low-voltage processors, FPGAs, and core logic that require sub-1V supply rails.

Does the LM1771TMM/NOPB require external compensation?

No, the LM1771TMM/NOPB uses a constant on-time control architecture that eliminates the need for external compensation components, simplifying design and reducing the overall component count.

What control mode does the LM1771TMM/NOPB use?

The LM1771TMM/NOPB uses voltage-mode control with a constant on-time technique, providing fast transient response and stable operation across a wide range of output capacitor types.

What package does the LM1771TMM/NOPB come in?

The LM1771TMM/NOPB is available in an SO-8 (S-PDSO-G8) surface-mount package, a compact and widely used format that supports standard reflow soldering and is compatible with most PCB design tools.

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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
Reference Price (USD)
From $0.8804
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1000+$1.1800$1180.00
10000+$1.0500$10500.00
100000+$0.8804$88040.00
pcs
Unit price: $1.1800 · Total: $1180.00

In Stock · 24h Response · Worldwide Shipping

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

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