LM2734XMKIn StockTexas Instruments
LM2734XMK is a 1A, 42V step-down DC-DC switching regulator by Texas Instruments. Key specs: 42V input voltage, 1A output current, 1.6MHz switching frequency. From $1.47, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $1.4711(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 42V maximum input voltage supports wide input range applications
- 1A continuous output current with internal power MOSFET
- 1.6MHz fixed switching frequency enables small external components
- Adjustable output voltage down to 1.28V reference
- Integrated overcurrent and thermal shutdown protection
Applications
LM2734XMK is well suited for industrial power supplies, battery-powered systems, and point-of-load regulation in telecom and networking equipment. Its wide input voltage range makes it ideal for automotive pre-regulated rails and distributed power architectures. The high switching frequency allows use of compact inductors and capacitors in space-constrained designs such as embedded systems and handheld instruments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LM2734XMK?
The LM2734XMK supports an input voltage range of 3V to 42V, making it suitable for a wide variety of power supply applications including industrial, automotive, and battery-powered systems where the input can vary significantly.
What output current can the LM2734XMK deliver?
The LM2734XMK can deliver up to 1A of continuous output current. It integrates an internal N-channel power MOSFET, eliminating the need for an external switching transistor and simplifying the overall circuit design.
What switching frequency does the LM2734XMK operate at?
The LM2734XMK operates at a fixed 1.6MHz switching frequency. This high frequency allows designers to use smaller inductors and capacitors, reducing PCB area and overall solution size in compact applications.
What package is the LM2734XMK available in?
The LM2734XMK is available in a small SOT-23-6 (6-pin SOT-23) package, which is ideal for space-constrained designs. The compact footprint makes it easy to integrate into dense PCB layouts without sacrificing thermal performance.
What protections does the LM2734XMK include?
The LM2734XMK includes built-in overcurrent protection and thermal shutdown. These features help safeguard both the device and the end application against fault conditions such as short circuits or excessive operating temperatures.
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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 |
|---|---|---|
| 1+ | $3.3000 | $3.30 |
| 3+ | $2.4640 | $7.39 |
| 4+ | $2.2000 | $8.80 |
| 12+ | $1.6016 | $19.22 |
| 131+ | $1.5285 | $200.23 |
| 170+ | $1.4711 | $250.09 |
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