LM1572MTC-5.0 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments LM1572MTC-5.0 is a current-mode step-down switching voltage regulator with a fixed 5.0 V output and input voltage range of 8.5 V to 16 V. It is packaged in a 16-pin SOIC (R-PDSO-G16) for efficient DC/DC conversion in industrial and consumer designs. Available in stock worldwide for applications demanding reliable 5 V power conversion from higher supply voltages.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- LM1572MTC-5.0 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Non-compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM1572MTC-5.0?
- Fixed 5.0 V output current-mode step-down regulator for stable DC/DC conversion
- Wide input voltage range of 8.5 V to 16 V supporting diverse supply rails
- Current-mode control topology for fast transient response and cycle-by-cycle current limiting
- 16-pin SOIC (R-PDSO-G16) package for easy surface-mount assembly
- REACH compliant design suitable for global regulatory requirements
What is LM1572MTC-5.0 used for?
The LM1572MTC-5.0 is deployed in industrial control systems and embedded computing boards requiring a regulated 5 V rail derived from 12 V or 15 V bus voltages. It powers digital logic, microcontrollers, and peripheral interfaces in point-of-load power designs where efficient step-down conversion reduces heat dissipation. The device also serves automotive and test-equipment applications that require reliable 5 V output from variable or unregulated input supplies up to 16 V.
What are the specifications of LM1572MTC-5.0?
| Pbfree Code | No |
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 8.5V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 3.2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 570kHz |
| Technology | BCDMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn85Pb15) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Non-compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM1572MTC-5.0 datasheet?
LM1572MTC-5.0 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM1572MTC-5.0?
Compatible alternatives and drop-in replacements for LM1572MTC-5.0:
Switching Regulator, Current-mode, 3.2A, 570kHz Switching Freq-Max, BCDMOS, PDSO16
Frequently Asked Questions
What input voltage range does LM1572MTC-5.0 support, and what is the fixed output voltage?
LM1572MTC-5.0 accepts input voltages from 8.5 V to 16 V with a nominal input of 15 V and provides a fixed 5.0 V regulated output. This makes it well suited for converting a 12 V or 15 V supply rail down to the 5 V logic supply used by microcontrollers and digital peripherals.
How does current-mode control in LM1572MTC-5.0 benefit designs with rapidly changing load currents?
Current-mode control in LM1572MTC-5.0 senses inductor current on a cycle-by-cycle basis, enabling fast transient response to sudden load changes and inherent cycle-by-cycle current limiting. This reduces output voltage deviation during load steps compared to voltage-mode regulators, protecting downstream 5 V circuits.
Which package does LM1572MTC-5.0 use and how does it influence PCB footprint planning?
LM1572MTC-5.0 is housed in a 16-pin SOIC (R-PDSO-G16) package. SOIC-16 allows straightforward pick-and-place assembly on 1.27 mm pitch pads, and the exposed body can be thermally managed with a small copper pour to maintain junction temperature below the rated maximum during continuous switching operation.
When would LM1572MTC-5.0 be selected over a linear regulator for 5 V generation from a 12 V input?
A linear regulator converting 12 V to 5 V dissipates (12 - 5) V x load current as heat, which at 500 mA yields 3.5 W of waste power. LM1572MTC-5.0 operates as a switching regulator with significantly higher efficiency, reducing heat generation and enabling smaller or no heatsink for the same 5 V output current in space-limited 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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