LM2738YMYIn StockTexas Instruments
LM2738YMY is a current-mode PWM step-down DC-DC switching regulator with adjustable output from 0.8V to 18V, input range 3V to 20V, and up to 1A output current. From $2.49, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM2738YMY Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4853(MOQ 70)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control for fast transient response and improved loop stability
- Wide input voltage range: 3V to 20V, suitable for diverse power supply designs
- Adjustable output voltage from 0.8V to 18V via external resistor divider
- Compact SOT-23-5 / small outline package ideal for space-constrained applications
- Integrated N-channel MOSFET switch for high efficiency conversion
Applications
The LM2738YMY is widely used in portable and battery-powered devices where efficient DC-DC voltage conversion is critical. It suits applications such as embedded systems, industrial controllers, and communication equipment requiring stable regulated supply rails. Its wide input range and adjustable output make it a versatile choice for point-of-load power conversion in consumer electronics and IoT devices.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | OUTPUT VOLTAGE IS ADJUSTABLE FROM 0.8 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-G8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 2.9A |
| Output Voltage-Max | 18V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| 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 | 676kHz |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2738YMY:
Switching Regulator, Current-mode, 1.5A, 1600kHz Switching Freq-Max, BICMOS, PDSO8
Frequently Asked Questions
What is the input voltage range of the LM2738YMY?
The LM2738YMY operates with an input voltage range of 3V to 20V, making it suitable for a wide variety of power supply applications from low-voltage battery systems to higher-voltage industrial inputs.
What output voltage range can the LM2738YMY support?
The LM2738YMY features an adjustable output voltage range from 0.8V to 18V, allowing designers to set the exact output voltage required for their application using external resistors.
What is the maximum output current of the LM2738YMY?
The LM2738YMY can deliver up to 1A of continuous output current, making it well suited for powering microcontrollers, FPGAs, DSPs, and other moderate-load digital or analog circuits.
What control method does the LM2738YMY use?
The LM2738YMY uses current-mode pulse width modulation (PWM) control, which provides fast transient response, inherent cycle-by-cycle current limiting, and simplified loop compensation compared to voltage-mode controllers.
Related Guides
Is Buying Electronic Components from Chinese Suppliers Safe? A 2025–2026 Buyer's Guide
A 2025–2026 buyer's guide to sourcing electronic components from Chinese suppliers: real risks, authorized vs. broker channels, and a 5-point safety framework.
Apr 22, 2026
BOM Optimization: How to Reduce Electronic Component Costs Without Sacrificing Quality
Practical strategies for reducing BOM costs by 15-30% through smart component selection, supplier diversification, and procurement optimization.
Apr 9, 2026
Top 10 Microcontrollers in 2025: A Comprehensive Comparison Guide
Detailed comparison of the most popular MCUs in 2025 — STM32, ESP32, RP2040, nRF52, and more. Specs, pricing, ecosystem, and use-case recommendations.
Apr 9, 2026
How to Read an IC Datasheet: A Practical Guide for Engineers
Master the art of reading IC datasheets. Learn what every section means, which specs matter most, and how to extract the information you need for your design.
Apr 9, 2026
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 70+ | $2.8677 | $200.74 |
| 91+ | $2.7721 | $252.26 |
| 121+ | $2.4853 | $300.72 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”