LM5015MH Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments LM5015MH is a single-channel flyback isolated DC-DC controller with current-mode PWM control, supporting input voltages from 4.25 V to 75 V, with adjustable output and 1 A gate drive, in a 14-pin TSSOP package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- LM5015MH 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 LM5015MH?
- Wide input voltage range of 4.25 V to 75 V, supporting 24 V and 48 V industrial and telecom bus inputs
- Current-mode PWM control for fast transient response and inherent cycle-by-cycle current limiting
- Isolated flyback topology enabling galvanic isolation between input and output in safety-critical designs
- Compact 14-pin TSSOP package with adjustable output voltage to suit diverse power conversion requirements
What is LM5015MH used for?
The LM5015MH is designed for isolated power supply designs in industrial automation, telecom equipment, and smart metering systems requiring galvanic isolation from high-voltage bus rails up to 75 V. Its current-mode flyback controller architecture simplifies transformer-based converter design with minimal external components. The device is ideal for generating auxiliary regulated voltages in PLC modules, gate driver supplies, and distributed power architectures.
What are the specifications of LM5015MH?
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 75V |
| Input Voltage-Min | 4.25V |
| Input Voltage-Nom | 48V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1.4A |
| Package Body Material | PLASTIC/EPOXY |
| 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 | 445kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| 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 LM5015MH datasheet?
LM5015MH Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM5015MH?
Compatible alternatives and drop-in replacements for LM5015MH:
Switching Regulator, Current-mode, 3A, 750kHz Switching Freq-Max, BICMOS, PDSO14
Frequently Asked Questions
What input voltage range does the LM5015MH support in flyback converter designs?
The LM5015MH supports input voltages from 4.25 V to 75 V, with a nominal design target of 48 V. This wide range makes it compatible with 24 V and 48 V industrial bus rails, telecom power systems, and wide-input offline power supplies requiring isolated output regulation.
How does the LM5015MH achieve output isolation in a power supply design?
The LM5015MH implements an isolated flyback converter topology where the transformer provides galvanic isolation between primary and secondary sides. This allows the output voltage to be referenced independently from the input bus, meeting safety isolation requirements in medical, industrial, and telecom equipment designs.
What is the gate drive current capability of the LM5015MH and why does it matter?
The LM5015MH provides 1 A peak gate drive current for switching the external MOSFET in the flyback converter. Higher gate drive capability enables faster MOSFET switching transitions at up to 75 V, reducing switching losses and improving efficiency across load conditions.
For which system architectures is the LM5015MH a suitable isolated power supply controller?
The LM5015MH is suitable for PLC auxiliary supply rails, isolated gate driver power supplies, smart meter modules, and distributed power architectures where 4.25 V to 75 V input rails must be converted to isolated low-voltage outputs. Its compact 14-pin TSSOP package minimizes board area in dense power distribution cards.
What control technique does the LM5015MH use and how does it protect against overcurrent?
The LM5015MH uses current-mode pulse width modulation (PWM) control, which monitors the primary switch current each cycle. This provides cycle-by-cycle current limiting, preventing transformer saturation and protecting the converter under overload or short-circuit conditions without additional external protection circuitry.
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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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