TPS563208DDCR

Texas Instruments TPS563208DDCR | 3-A Synchronous Buck Regulator in SOT‑23‑6 (DDC)

The Texas Instruments TPS563208DDCR is a compact, high-efficiency, synchronous step‑down (buck) regulator designed to deliver up to 3 A of continuous output current from a small 6‑pin SOT‑23 (DDC) package. With an adjustable output and an enable/shutdown pin, the TPS563208DDCR gives designers a flexible, board‑area‑efficient solution for point‑of‑load conversion in space‑constrained systems.

This article summarizes the key attributes and sourcing considerations for the Texas Instruments TPS563208DDCR to help engineers, buyers, and sourcing managers quickly assess fit, plan for procurement, and move from evaluation to production with fewer unknowns.

Highlights and Value Proposition

• 3 A synchronous buck topology for compact point‑of‑load power stages
• Adjustable output voltage to support a wide range of digital and analog rails
• Tiny SOT‑23‑6 (TI package code DDC) for dense layouts and small form factors
• Enable/shutdown control for power sequencing and low‑power modes
• Surface‑mount package and Tape & Reel (TR) packing to streamline automated assembly
• Backed by Texas Instruments documentation and long-standing power management expertise

These attributes make the Texas Instruments TPS563208DDCR an attractive choice when you need a small, cost‑effective DC‑DC regulator that still supports meaningful output current for processors, memory, sensors, and mixed‑signal loads.

Key Specifications

• Brand/Manufacturer: Texas Instruments
• MPN: TPS563208DDCR
• Category: PMIC – DC‑DC Regulators (Buck)
• Topology: Buck (Step‑Down), Synchronous
• Output Type: Adjustable
• Maximum Output Current: 3 A
• Enable/Shutdown: Yes
• Package: SOT‑23‑6 (TI DDC)
• Package/Case: SOT‑23‑6 (DDC)
• Pin Count: 6
• Mounting Type: Surface Mount
• Packaging: Tape & Reel (TR)

Note: Exact input voltage range, switching frequency, soft start, UVLO, operating temperature range, and efficiency curves are Not specified in datasheet in the provided data. Consult the official TI datasheet for design‑critical values and design equations.

Where the TPS563208DDCR Fits Best

The TPS563208DDCR is particularly well‑suited for:

• Point‑of‑load (POL) regulation on digital boards: powering MCUs, SoCs, FPGAs, DSPs, and memory rails
• Industrial and factory automation modules needing compact, efficient step‑down rails
• Communications and networking equipment with dense PCBs and distributed power architectures
• Embedded/consumer designs where small size and straightforward implementation are priorities
• General step‑down conversion from intermediate bus voltages to local logic rails

Because the output is adjustable, you can target a wide variety of common rails (for example, 1.2 V, 1.8 V, 2.5 V, 3.3 V, and 5 V), provided they meet the regulator’s operating conditions as defined in the datasheet.

Package, Mounting, and Handling

• Package format: SOT‑23‑6 (TI DDC) with 6 leads
• Mounting: Surface‑mount (SMT) compatible, optimized for high‑volume pick‑and‑place
• Shipment: Tape & Reel (TR), simplifying automated assembly and replenishment

The SOT‑23‑6 footprint supports tight component placement and short power loops when laid out thoughtfully, helping to minimize EMI and improve transient response. When placing the Texas Instruments TPS563208DDCR, keep input bypass capacitors and the inductor close to the device to reduce loop inductance. Follow TI’s recommended land pattern in the datasheet to ensure solder joint reliability.

Thermal performance and power dissipation depend on copper area, layer stack‑up, and airflow. Because detailed thermal characteristics are Not specified in datasheet in the provided data, consult the TI documentation for thermal metrics (e.g., RθJA) and layout guidance to meet your thermal budget at 3 A load.

Design Considerations

Setting the Output Voltage (Adjustable Output)

The TPS563208DDCR features an adjustable output, typically set with a resistor divider from the output to the feedback (FB) pin. Use the datasheet’s equation and recommended resistor ranges to set your target VOUT and to balance accuracy, noise immunity, and quiescent consumption. Always verify loop stability for your chosen inductor, capacitor, and output voltage combination.

Enable/Shutdown and Power Sequencing

An enable pin allows controlled startup and shutdown. This supports power sequencing requirements for sensitive loads and reduces input quiescent draw when rails are not needed. Tie EN to system logic or upstream supervisor/PMIC as appropriate. Check the datasheet for enable threshold levels and recommended sequencing practices.

Inductor and Capacitor Selection

• Inductor: Choose an inductor that meets the regulator’s ripple current and saturation current requirements at the maximum load. Verify temperature rise and DCR loss against your efficiency goals.
• Input capacitors: Place low‑ESR ceramic capacitors close to VIN and GND pins to reduce input ripple current. Additional bulk capacitance may be needed depending on source impedance.
• Output capacitors: Select according to datasheet guidance to satisfy transient response and ripple targets. Verify stability across operating conditions and component tolerances.

Because specific switching frequency, compensation approach, and recommended component values are Not specified in datasheet in the provided data, use TI’s datasheet design examples and stability criteria to finalize the bill of materials.

Layout Guidance (EMI, Transients, and Thermal)

• Keep the high‑di/dt loop (switching node, inductor, input capacitors) as small as possible.
• Provide a solid ground reference with short, low‑impedance returns for input and output capacitors.
• Separate noisy switching nodes from sensitive analog traces (FB, control signals) and consider a quiet analog ground reference.
• Use generous copper where allowable for heat spreading, especially on ground and VIN nets.
• Follow TI’s recommended layout examples and any EMI notes in the datasheet or application notes.

Validation and Bring‑Up

• Probe startup waveforms and load transients to confirm stability and verify sequencing.
• Measure steady‑state ripple with proper probing technique (short ground spring) to avoid measurement artifacts.
• Validate thermal performance at worst‑case ambient and load conditions.

Lifecycle, Availability, and Replacements

• Lifecycle status: Not specified in datasheet
• OCM source: Texas Instruments
• Official product page: https://www.ti.com/product/TPS563208
• Datasheet: https://www.ti.com/lit/ds/symlink/tps563208.pdf

No direct drop‑in replacements are listed in the provided data. If you need alternates, use TI’s parametric search to compare similar 3‑A synchronous buck regulators and consult the datasheet pinouts and electrical limits for compatibility. Always re‑validate layout and compensation when substituting regulators.

For procurement, prioritize authorized distributors and TI store channels to ensure genuine parts and traceable date codes. Tape & Reel (TR) supply is standard for SMT lines; confirm carrier details and reel sizes per your assembly requirements.

Compliance and Environmental

• RoHS/Environmental Compliance: Not specified in datasheet
• Additional certifications or material declarations: Not specified in datasheet

If you require specific environmental declarations (e.g., RoHS, REACH, halogen‑free, China RoHS), obtain the latest compliance documents from TI’s product page or request them through your authorized distributor.

Procurement and Sourcing Tips

• Confirm design‑critical parameters directly from the TI datasheet before committing to layout or volume purchases.
• Lock your target output voltage early and verify margin with worst‑case component tolerances.
• For volume production, align your internal PN with “TPS563208DDCR” and document the package code (DDC), packing (TR), and any alternates for second sourcing policy.
• Reserve PCB area for potential component value adjustments (inductor/caps) identified during validation.
• Consider a second qualified regulator in your AVL as a contingency, but only after verifying pinout and control characteristics; regulators are rarely pin‑for‑pin interchangeable across vendors without design review.

Frequently Asked Questions (FAQs)

• Q: What package is the TPS563208DDCR supplied in?
  A: It is supplied in Texas Instruments’ 6‑pin SOT‑23 package (package code DDC).

• Q: What is the continuous output current rating?
  A: 3 A continuous (synchronous buck regulator).

• Q: Is the output voltage adjustable?
  A: Yes, the TPS563208 supports an adjustable output voltage.

• Q: What is the input voltage range?
  A: Not specified in datasheet. Refer to the official TI datasheet for the acceptable VIN range.

• Q: What is the switching frequency?
  A: Not specified in datasheet. See the datasheet for frequency, timing diagrams, and any synchronization options.

• Q: What is the operating temperature range?
  A: Not specified in datasheet. Check the datasheet for ambient and junction temperature limits.

• Q: Does the device provide a Power Good (PG) signal or soft‑start control?
  A: Not specified in datasheet. Consult the feature list and pin descriptions in the TI datasheet.

• Q: Is the TPS563208DDCR RoHS compliant?
  A: Not specified in datasheet. Verify current environmental status on TI’s product page.

• Q: Is the regulator synchronous?
  A: Yes. The topology is a synchronous buck.

• Q: What mounting and packing options are available?
  A: Surface‑mount SOT‑23‑6 (DDC) in Tape & Reel (TR).

Resources

• Product page (Texas Instruments): https://www.ti.com/product/TPS563208
• Datasheet (Texas Instruments): https://www.ti.com/lit/ds/symlink/tps563208.pdf

Summary

The Texas Instruments TPS563208DDCR is a versatile, 3‑A synchronous step‑down regulator that balances board space and performance by combining an adjustable output with a very small SOT‑23‑6 (DDC) package. Its enable/shutdown pin aids power sequencing and power‑saving modes, while the synchronous architecture supports efficient conversion in tightly constrained designs.

For engineers, the device accelerates point‑of‑load design on modern digital and mixed‑signal boards. For buyers and sourcing managers, the clear identity (TPS563208DDCR), package code (DDC), and packing (TR) simplify qualification and procurement. Consult TI’s datasheet for full electrical specifications, thermal data, and application guidance to finalize your design with confidence.