LM3151MH-3.3/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LM3151MH-3.3/NOPB is a 42V synchronous step-down switching controller with a fixed 3.3V output and adjustable switching frequency, housed in a compact SOIC-14 package. Operating from 6V to 42V input using constant on-time voltage-mode control, it enables efficient, low-noise power conversion for industrial, telecom, and automotive power supply applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 15
- Lifecycle
- ACTIVE
- Datasheet
- LM3151MH-3.3/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8900(MOQ 94)
- 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 LM3151MH-3.3/NOPB?
- Wide 6V to 42V input range for industrial and automotive power supplies
- Fixed 3.3V output voltage simplifying design and BOM
- Constant on-time voltage-mode control for fast transient response
- Adjustable switching frequency for EMI optimization
- Synchronous rectification topology for high conversion efficiency
- SOIC-14 package with compact footprint for board-space savings
What is LM3151MH-3.3/NOPB used for?
The LM3151MH-3.3/NOPB is designed for industrial process controllers, telecom base stations, and automotive ECU power supply applications where a regulated 3.3V rail must be derived from wide-range bus voltages up to 42V. It is also used in distributed power architectures and point-of-load converters where efficiency, transient performance, and input voltage tolerance are key requirements.
What are the specifications of LM3151MH-3.3/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | SEATED HGT-NOM |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | CONSTANT ON TIME |
| Input Voltage-Max | 42V |
| Input Voltage-Min | 6V |
| Input Voltage-Nom | 18V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 12A |
| Output Voltage-Max | 3.3V |
| Output Voltage-Min | 3.3V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 250kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM3151MH-3.3/NOPB datasheet?
LM3151MH-3.3/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3151MH-3.3/NOPB?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LM3151MH-3.3/NOPB?
The LM3151MH-3.3/NOPB accepts input voltages from 6V to 42V with a nominal 18V design center, making it suitable for 12V and 24V industrial bus systems as well as automotive 12V battery systems that can experience transient voltages well above the nominal rail.
What control method does the LM3151MH-3.3/NOPB use and why does it matter?
The LM3151MH-3.3/NOPB uses constant on-time (COT) voltage-mode control, which provides inherently fast load transient response without requiring a complex error amplifier compensation network. This simplifies design while achieving excellent output voltage regulation under dynamic load conditions.
What is the output voltage of the LM3151MH-3.3/NOPB?
The LM3151MH-3.3/NOPB produces a fixed 3.3V regulated output voltage, which is one of the most common logic supply rails in embedded systems. This fixed output eliminates the need for external resistor divider network configuration while ensuring accurate and stable 3.3V delivery.
What package does the LM3151MH-3.3/NOPB use?
The LM3151MH-3.3/NOPB is housed in a 14-lead SOIC package, a widely used surface-mount format that balances board space efficiency with good thermal performance and compatibility with standard PCB assembly equipment.
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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.
More from Texas Instruments
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| 94+ | $2.6500 | $249.10 |
| 282+ | $2.4700 | $696.54 |
| 500+ | $2.1200 | $1060.00 |
| 1000+ | $2.0100 | $2010.00 |
| 10000+ | $1.8900 | $18900.00 |
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