LM27342MY Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM27342MY is a current-mode PWM step-down DC/DC switching regulator from Texas Instruments. It accepts a 3V to 20V input and supports fixed or adjustable output from 1V to 18V. Ideal for powering point-of-load rails in industrial, automotive, and consumer electronics applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- OBSOLETE
- Datasheet
- LM27342MY 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 LM27342MY?
- Current-mode PWM control for fast transient response and inherent cycle-by-cycle current limiting
- Wide input voltage range of 3V to 20V supports diverse power supply designs
- Adjustable output voltage from 1V to 18V enables flexible regulation across multiple load requirements
- Compact SOT-23-5 / MSOP-10 package minimizes PCB footprint for space-constrained designs
- Pulse-width modulation control technique ensures high efficiency across the full load range
What is LM27342MY used for?
The LM27342MY is widely used in point-of-load DC/DC conversion for industrial control systems, telecommunications equipment, and portable consumer electronics. Its wide input range and adjustable output make it suitable for battery-powered devices, set-top boxes, and embedded computing platforms where efficient voltage regulation is critical.
What are the specifications of LM27342MY?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 1V TO 18V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 4A |
| Output Voltage-Max | 18V |
| Output Voltage-Min | 1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2300kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM27342MY datasheet?
LM27342MY Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM27342MY?
Compatible alternatives and drop-in replacements for LM27342MY:
Switching Regulator, Current-mode, 2A, 2300kHz Switching Freq-Max, PDSO10
Switching Regulator, Current-mode, 4A, 2300kHz Switching Freq-Max, PDSO10
Frequently Asked Questions
What is the input voltage range of the LM27342MY?
The LM27342MY accepts an input voltage range of 3V to 20V, with a nominal operating voltage of 12V. This wide range allows it to operate directly from common power rails such as 5V, 12V, and unregulated adapter outputs in industrial and consumer applications.
Can the LM27342MY operate in adjustable output mode?
Yes. The LM27342MY also operates in adjustable output mode, allowing the output voltage to be set anywhere from 1V to 18V using an external resistor divider. This makes it highly flexible for powering various loads from a single regulator design.
What control method does the LM27342MY use?
The LM27342MY uses current-mode pulse-width modulation (PWM) control. This technique provides inherent cycle-by-cycle current limiting, improved transient response, and easier loop compensation compared to voltage-mode control, making it well-suited for demanding power supply applications.
What package is the LM27342MY available in?
The LM27342MY is offered in a small outline package (SOT/MSOP-style 10-pin configuration), which helps minimize PCB area. The compact package is compatible with standard surface-mount assembly processes used in consumer, industrial, and automotive electronics manufacturing.
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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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