TPS54354PWPRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TPS54354PWPRG4 is a high-efficiency DC-DC step-down (buck) switching regulator from Texas Instruments, delivering 3A of output current at 1.8V from an input voltage range of 4.5V to 20V. Housed in a 16-pin HTSSOP package with an exposed thermal pad, it offers voltage-mode PWM control for precise regulation in industrial and communications power supply designs. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- TPS54354PWPRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3A continuous output current at 1.8V with input range 4.5V to 20V for versatile power delivery
- Voltage-mode PWM control with internal compensation simplifying loop design and improving regulation accuracy
- 16-pin HTSSOP exposed pad package enhancing thermal dissipation in high-current step-down applications
- Wide input range from 4.5V to 20V compatible with 5V, 12V, and 19V industrial and computing supply rails
Applications
The TPS54354PWPRG4 is used as a point-of-load DC-DC buck regulator in industrial control systems, network switches, embedded computing boards, and telecommunications equipment requiring a regulated 1.8V rail at up to 3A. Its 4.5V to 20V input range makes it well suited for 12V or 19V bus architectures common in servers and rack-mounted equipment. The exposed thermal pad of the HTSSOP package ensures adequate heat dissipation when delivering full 3A output current in dense PCB designs.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 6.5A |
| Output Voltage-Max | 1.836V |
| Output Voltage-Min | 1.764V |
| Output Voltage-Nom | 1.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 600kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS54354PWPRG4:
Switching Regulator, Voltage-mode, 3A, 700kHz Switching Freq-Max, PDSO16
Switching Regulator, Voltage-mode, 3A, 700kHz Switching Freq-Max, PDSO16
Switching Regulator, Voltage-mode, 6.5A, 600kHz Switching Freq-Max, BICMOS, PDSO16
Frequently Asked Questions
What is the output voltage and current of the TPS54354PWPRG4?
The TPS54354PWPRG4 provides a regulated 1.8V output voltage with a maximum continuous output current of 3A, making it suitable for powering DSPs, FPGAs, microprocessors, and DDR memory interfaces in industrial and communications systems.
What is the input voltage range of the TPS54354PWPRG4?
The TPS54354PWPRG4 accepts input voltages from 4.5V minimum to 20V maximum, with a nominal input of 12V, providing flexibility for use with 5V USB, 12V ATX, and 19V laptop adapters as well as industrial 12V and 24V power distribution systems.
What control mode does the TPS54354PWPRG4 use?
The TPS54354PWPRG4 uses voltage-mode PWM control, which monitors the output voltage to adjust duty cycle via a sawtooth ramp comparator, offering predictable loop dynamics and straightforward external compensation network design for stable regulation.
What package does the TPS54354PWPRG4 use?
The TPS54354PWPRG4 is housed in a 16-pin HTSSOP (Thermally-Enhanced Small Outline Package) with an exposed thermal pad on the underside, which significantly improves heat dissipation when operating at the full 3A output current rating compared to standard SOIC packages.
Is the TPS54354PWPRG4 RoHS compliant?
Yes, the TPS54354PWPRG4 has a JESD-609 code of e4, confirming it is a lead-free and RoHS-compliant component, making it suitable for use in products requiring compliance with European RoHS directives and similar environmental regulations worldwide.
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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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