TPS54531DDAR Texas Instruments Power Supply (Small Outline Packages) In Stock
TPS54531DDAR is a current-mode PWM step-down switching regulator with 3.5V–28V input range and up to 5A output current. It features adjustable output voltage, high efficiency, and integrated high-side MOSFET. From $1.15, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- TPS54531DDAR Datasheet PDF
- Category
- Power Supply
- Price
- From $1.1475(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control for fast transient response and simplified loop compensation
- Wide input voltage range of 3.5V to 28V supports diverse power supply designs
- Up to 5A continuous output current with integrated high-side MOSFET reduces BOM cost
- Adjustable switching frequency minimizes EMI and optimizes efficiency
- Available in compact SO-8 package for space-constrained applications
Applications
The TPS54531DDAR is widely used in industrial power supplies, telecommunications equipment, and embedded systems requiring efficient DC-DC step-down conversion. It suits point-of-load regulation in server boards, factory automation controllers, and motor drive systems where a stable 3.5V–28V input must be converted to lower voltages. Its high efficiency and current-mode control also make it ideal for battery-powered devices and IoT gateway modules.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 28V |
| Input Voltage-Min | 3.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 5A |
| Output Voltage-Max | 25V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 570kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS54531DDAR:
Frequently Asked Questions
What is the input voltage range of the TPS54531DDAR?
The TPS54531DDAR accepts an input voltage from 3.5V to 28V, with a nominal operating point of 12V. This wide range makes it suitable for 5V, 12V, and 24V rail applications in industrial and telecom designs.
What output current can the TPS54531DDAR deliver?
The TPS54531DDAR is rated for up to 5A continuous output current. It integrates a high-side MOSFET and uses current-mode PWM control to maintain tight regulation across the full load range, minimizing the need for external components.
What package does the TPS54531DDAR use?
The TPS54531DDAR is housed in an 8-pin SO-8 (SOIC-8) small outline package, corresponding to JESD-30 code R-PDSO-G8. This surface-mount package provides good thermal performance and is compatible with standard PCB assembly processes.
What are typical applications for the TPS54531DDAR?
Typical applications include point-of-load DC-DC conversion in industrial controllers, embedded computing boards, telecom equipment, and motor drive systems. Its 3.5V–28V input range and 5A output make it well-suited wherever a compact, high-efficiency buck regulator 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.7720 | $1.77 |
| 4+ | $1.6302 | $6.52 |
| 25+ | $1.3700 | $34.25 |
| 100+ | $1.2300 | $123.00 |
| 250+ | $1.1600 | $290.00 |
| 500+ | $1.1475 | $573.75 |
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