TPS54319RTET Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
TPS54319RTET is a 3-A synchronous step-down DC/DC converter with integrated FETs, supporting 2.95-V to 6-V input, 2-MHz switching frequency, and current-mode PWM control. Ideal for point-of-load regulation in consumer and industrial electronics. From $0.59 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- TPS54319RTET Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5915(MOQ 10)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3-A output current with integrated high-side and low-side MOSFETs for compact design
- 2-MHz switching frequency reduces external component size and minimizes noise
- 2.95-V to 6-V wide input voltage range suits 3.3-V and 5-V power rails
- Current-mode PWM control enables fast transient response and easy loop compensation
- Available in compact 16-pin QFN package for space-constrained applications
Applications
The TPS54319RTET is widely used in point-of-load power conversion for portable consumer electronics, IoT devices, and industrial control systems. Its high switching frequency and integrated FETs make it ideal for compact power modules, set-top boxes, and solid-state drive power supplies. It also suits battery-powered equipment and embedded computing boards requiring efficient 5-V rail step-down regulation.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 2.95V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | S-PQCC-N16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 4.5V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC16,.12SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2000kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
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 | Malaysia, Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS54319RTET:
Switching Regulator, Current-mode, 3A, 2000kHz Switching Freq-Max, PQCC16
Switching Regulator, Current-mode, 3A, 2000kHz Switching Freq-Max, PQCC16
Frequently Asked Questions
What is the input voltage range of the TPS54319RTET?
The TPS54319RTET operates with an input voltage range of 2.95 V to 6 V, making it suitable for 3.3 V and 5 V power rails commonly found in consumer and industrial electronics.
What is the maximum output current of the TPS54319RTET?
The TPS54319RTET is rated for a maximum continuous output current of 3 A, delivered through its integrated high-side and low-side MOSFETs without requiring external switching transistors.
What switching frequency does the TPS54319RTET use?
The TPS54319RTET operates at a fixed 2 MHz switching frequency, which allows the use of smaller external inductors and capacitors, reducing overall solution size on the PCB.
What control method does the TPS54319RTET use?
The TPS54319RTET uses current-mode pulse width modulation (PWM) control, which provides inherent cycle-by-cycle current limiting, improved transient response, and simplified loop compensation.
What package does the TPS54319RTET come in?
The TPS54319RTET is available in a 16-pin Quad Flat No-Lead (QFN) package (WQFN-16), which offers a compact footprint and good thermal performance suitable for space-constrained designs.
Related Guides
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
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 |
|---|---|---|
| 10+ | $1.7720 | $17.72 |
| 25+ | $1.6172 | $40.43 |
| 100+ | $1.4475 | $144.75 |
| 315+ | $0.6395 | $201.44 |
| 410+ | $0.6155 | $252.36 |
| 510+ | $0.5915 | $301.67 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”