LM27313XMF/NOPB

Switching Voltage Regulators 1.6 MHZ BOOST CONVER TER A 926-LM27313XMFX/NOPB

LM27313XMF/NOPB – 1.6MHz Step-Up Switching Regulator – Texas Instruments

The Texas Instruments LM27313XMF/NOPB is a high-efficiency boost (step-up) DC-DC switching regulator engineered for compact power solutions requiring stable voltage conversion. Operating at 1.6MHz, this IC minimizes external component size while delivering up to 800mA output current. Ideal for space-constrained designs, it offers adjustable output voltage and wide input flexibility. PCX ensures genuine Texas Instruments components with rapid shipping and dedicated technical support.

Key Features

• Topology: Boost (Step-Up) Converter
• Input Voltage Range: 2.7V to 14V
• Adjustable Output Voltage: Up to 28V
• Switching Frequency: 1.6MHz (High efficiency)
• Output Current: 800mA (Switch Current Limit)
• Operating Temperature: -40°C to +125°C (Industrial Grade)
• Package: SOT-23-5 (Surface Mount)

Technical Specifications

This monolithic switching regulator features a positive output configuration with a single adjustable output channel. Its non-synchronous rectification design balances cost and performance. The device supports surface mounting (SMT) via the compact SOT-23-5 package (SC-74A), making it suitable for high-density PCB layouts. With a junction temperature rating of 125°C, it performs reliably in harsh environments.

Typical Applications

• Portable Battery-Powered Devices
• LCD/OLED Display Bias Supplies
• Industrial Sensor Modules
• USB Power Delivery Systems
• Embedded Computing & IoT Solutions

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader renowned for innovative analog and embedded processing technologies. With over 90 years of industry expertise, TI sets standards in power management ICs through rigorous quality control and cutting-edge R&D. Their components are trusted in mission-critical applications across aerospace, automotive, and industrial sectors.

TI’s commitment to sustainability and long-term product lifecycle support ensures designers receive reliable, future-proof solutions. The LM27313 series exemplifies their focus on efficiency and miniaturization, backed by comprehensive documentation and global technical resources.

About DC-DC Switching Regulators

DC-DC switching regulators efficiently convert one voltage level to another using high-frequency switching techniques, minimizing power loss compared to linear regulators. They are essential in modern electronics for managing battery voltage, noise-sensitive circuits, and power-hungry components. Boost regulators specifically increase input voltage, enabling flexible power architecture in space-constrained systems.

These ICs enable energy-efficient designs by dynamically adjusting output under load variations. Their compact footprint and thermal resilience make them ideal for portable devices, renewable energy systems, and industrial automation where stable voltage is non-negotiable.

Packaging Options

Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly compatibility. Specify your preference when ordering.

FAQs

Question: What is the minimum input voltage for startup?
Answer: The regulator starts operation at 2.7V, making it suitable for 3V battery applications.

Question: Can this IC synchronize with an external clock?
Answer: No, the LM27313XMF/NOPB operates at a fixed internal frequency of 1.6MHz.

Question: Is an external Schottky diode required?
Answer: Yes, a standard boost configuration diode is necessary. Refer to the datasheet for specifications.

Question: What protection features are included?
Answer: It incorporates thermal shutdown, current limiting, and under-voltage lockout (UVLO).

Question: How does a boost regulator differ from a buck converter?
Answer: Boost regulators increase voltage (e.g., 3V to 5V), while buck converters decrease voltage (e.g., 12V to 5V).

Question: Can I parallel multiple LM27313 ICs for higher current?
Answer: Not recommended. Use a single regulator with higher current capacity for optimal performance.

⚠️ Image shown is representational only; refer to datasheet for exact dimensions.
📄 Datasheet: Download Full Specifications

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