LM2734ZQSDIn StockTexas Instruments
LM2734ZQSD is a 1A step-down DC-DC switching regulator from Texas Instruments. Supports 3V to 20V input with current-mode PWM control. Ideal for portable devices, industrial power supplies, and point-of-load regulation.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 6
- Lifecycle
- OBSOLETE
- Datasheet
- LM2734ZQSD 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
- 1A continuous output current with up to 2.5A peak, enabling efficient power delivery in compact designs
- Wide 3V to 20V input voltage range supports diverse power architectures from battery to industrial rails
- Current-mode PWM control for fast transient response and inherent cycle-by-cycle current limiting
- Ultra-compact SOT-23-6 (TSOT-6) package minimizes board space for space-constrained applications
- Adjustable output voltage allows flexible regulation across a broad range of system requirements
Applications
LM2734ZQSD is widely used in portable consumer electronics such as smartphones, tablets, and wearables where efficient battery power conversion is critical. It is also suited for industrial equipment, embedded systems, and IoT nodes requiring a reliable point-of-load regulator with a small footprint. Its wide input range makes it a versatile choice for automotive accessories and multi-rail power supply designs.
Specifications
| YTEOL | 0 |
| 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 | 5V |
| JESD-30 Code | S-PDSO-N6 |
| Number of Functions | 1 |
| Output Current-Max | 2.5A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 3600kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.95mm |
| 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 is the input voltage range of the LM2734ZQSD?
The LM2734ZQSD operates from a 3V minimum to 20V maximum input voltage, with a nominal input of 5V, making it compatible with a wide range of power sources including single-cell Li-ion batteries and 12V/18V rails.
What is the maximum output current of the LM2734ZQSD?
The LM2734ZQSD supports a continuous output current of 1A with a peak capability of up to 2.5A, providing sufficient headroom for transient loads in portable and embedded power applications.
What package does the LM2734ZQSD come in?
The LM2734ZQSD is housed in a 6-pin SOT-23 (S-PDSO-N6) package, a compact surface-mount form factor that minimizes PCB footprint while maintaining good thermal performance for 1A load operation.
What control method does the LM2734ZQSD use?
The LM2734ZQSD 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 designs.
What are typical applications for the LM2734ZQSD?
Typical applications include point-of-load regulation in portable electronics, IoT sensor nodes, industrial control boards, and embedded computing systems where a compact, efficient step-down regulator with a wide input range is required.
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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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