LM27341SD Texas Instruments Integrated Circuit (Other) In Stock
LM27341SD is a current-mode PWM step-down DC/DC switching regulator from Texas Instruments in a 10-pin MSOP package. It operates from 3V to 20V input and supports fixed or adjustable output from 1V to 18V. From $2.50, available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 10
- Lifecycle
- OBSOLETE
- Datasheet
- LM27341SD 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
Key Features
- Current-mode PWM control with 3V to 20V input range for flexible step-down power conversion
- Adjustable output voltage from 1V to 18V enables single IC solution for multiple rail requirements
- Compact 10-pin MSOP package minimizes PCB footprint in space-sensitive portable and embedded designs
Applications
The LM27341SD is suited for portable electronics, industrial equipment, and embedded systems requiring efficient step-down voltage conversion from unregulated or battery supplies. Its adjustable output mode covering 1V to 18V allows a single part to power microcontrollers, FPGAs, memory, and analog circuits with different voltage requirements. Current-mode PWM control provides fast transient response and inherent cycle-by-cycle current limiting for robust protection in demanding load environments.
Specifications
| 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-N10 |
| Number of Functions | 1 |
| Output Current-Max | 3.7A |
| Output Voltage-Max | 18V |
| Output Voltage-Min | 1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2300kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LM27341SD support?
The LM27341SD accepts input voltages from 3V to 20V, with a nominal input of 12V. This range covers a wide variety of power sources including single-cell lithium batteries, 5V USB supplies, 12V adapters, and industrial power buses, making it highly versatile for diverse application scenarios.
What output voltage range can the LM27341SD produce?
The LM27341SD can generate adjustable output voltages from 1V to 18V, according to the datasheet specifications. This flexibility allows a single regulator to supply different load voltages by adjusting the external resistor divider, reducing component count and simplifying multi-rail power supply designs.
What control method does the LM27341SD use and what are its advantages?
The LM27341SD uses current-mode pulse width modulation (PWM) control. Current-mode control offers inherent cycle-by-cycle current limiting, faster load transient response compared to voltage-mode control, and simpler compensation design, all of which improve stability and protection in dynamic load applications.
What package does the LM27341SD use?
The LM27341SD is available in a 10-pin MSOP (Mini Small Outline Package) with JESD-30 code S-PDSO-N10. This compact surface-mount package is suitable for space-constrained PCB designs and is compatible with standard reflow soldering processes used in modern 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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