LM20154MH Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LM20154MH is a current-mode synchronous buck controller from Texas Instruments operating from 2.95 V to 5.5 V input using pulse-width modulation control. It drives external FETs for flexible power stage design and is housed in a 16-pin SOIC package. Suitable for programmable step-down DC-DC conversion in embedded computing and industrial applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- LM20154MH 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 LM20154MH?
- Current-mode PWM synchronous buck controller driving external FETs for flexible power design
- Wide input range: 2.95 V to 5.5 V covering 3.3 V and 5 V system supply rails
- Adjustable output voltage enabling multiple voltage rail configurations
- 16-pin SOIC package providing good thermal performance and easy layout
- Inherent cycle-by-cycle current limiting for robust overcurrent protection
What is LM20154MH used for?
The LM20154MH is used in industrial point-of-load power conversion, FPGA supply rails, and embedded processor core supplies where external FET-based power stages allow optimization for specific efficiency and current requirements. It is common in telecom equipment, server blade power modules, and embedded computing designs requiring programmable step-down conversion from a 5 V bus.
What are the specifications of LM20154MH?
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.95V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-G16 |
| Number of Functions | 1 |
| Output Current-Max | 6.6A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1150kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| 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 LM20154MH datasheet?
LM20154MH Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM20154MH?
Compatible alternatives and drop-in replacements for LM20154MH:
Rochester Electronics LLC 6.6A SWITCHING REGULATOR, 1150kHz SWITCHING FREQ-MAX, PDSO16, LEAD FREE, TSSOP-16
Frequently Asked Questions
What is the difference between the LM20154MH and the LM20134MH?
Both the LM20154MH and LM20134MH are synchronous buck converters from Texas Instruments sharing the same current-mode PWM topology and input voltage range of 2.95 V to 5.5 V, and both are in 16-pin SOIC packages. The LM20154MH designation may indicate a different output current rating or feature set variant; refer to the respective Texas Instruments datasheets for precise electrical specifications and differences.
What control topology does the LM20154MH use?
The LM20154MH uses current-mode pulse width modulation (PWM) control, which provides inherent cycle-by-cycle peak current limiting, improving short-circuit protection and simplifying the compensation design. Current-mode control also improves line transient response compared to voltage-mode control, which is important for loads with widely varying current demands.
What input voltage range does the LM20154MH support?
It accepts input voltages from 2.95 V to 5.5 V with a nominal operating point of 5 V. This range is compatible with standard 3.3 V logic supply rails, single-cell regulated outputs, and 5 V system power buses common in industrial controllers, embedded computing modules, and telecom line cards.
Is the LM20154MH a lead-free RoHS compliant device?
No — the Pbfree Code for the LM20154MH is listed as No in the component database, indicating this part number variant uses tin-lead solder finish. Designers requiring a lead-free RoHS compliant version should check with Texas Instruments for a Pb-free alternate version or successor part with the appropriate JESD-609 e4 designation.
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Why Buy from FindMyChip
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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