TLV62085RLTR

Texas Instruments TLV62085RLTR | 3‑A Synchronous Buck Converter for 2.5–6 V Inputs (DCS‑Control, 2 MHz, VQFN‑7 2×2 mm)

The Texas Instruments TLV62085RLTR is a compact, high‑efficiency synchronous step‑down (buck) converter designed to deliver up to 3 A from a wide 2.5 V to 6 V input range. Built on TI’s DCS‑Control architecture and integrating both high‑ and low‑side MOSFETs, this converter combines fast transient response, low output ripple, and excellent light‑load performance in a tiny 2 × 2 mm VQFN‑7 (RLT) package. The TLV62085RLTR variant ships in tape‑and‑reel for automated assembly and high‑volume manufacturing.

Engineers selecting point‑of‑load regulators for FPGAs, processors, and ASIC rails benefit from the device’s adjustable 0.8 V to VIN output range, 2 MHz switching frequency for small passive components, and robust protection suite. For sourcing managers, the TLV62085RLTR’s active lifecycle status, RoHS compliance, and compact footprint help standardize designs across multiple platforms while controlling BOM size and cost.

Why choose the TLV62085RLTR for your design?

• 3 A continuous output capability supports modern digital loads and peripheral rails.
• Wide 2.5 V–6 V input range fits 5 V, 3.3 V, and single‑cell Li‑ion powered systems.
• Adjustable output from 0.8 V to VIN covers low‑core rails and general system voltages.
• DCS‑Control topology delivers fast load‑transient response and low ripple.
• Synchronous rectification improves efficiency, contributing to longer battery life and lower heat.
• 2 MHz typical switching frequency enables compact inductors and capacitors for dense layouts.
• Power‑save mode boosts light‑load efficiency; 100% duty‑cycle operation supports low dropout.
• Integrated protections: overcurrent, thermal shutdown, and undervoltage lockout (UVLO).
• Tiny 2 × 2 mm VQFN‑7 with exposed pad simplifies thermal management in space‑constrained designs.

Technical specifications at a glance

Electrical and control

• Topology: Buck (step‑down), non‑isolated
• Number of outputs: 1
• Input voltage range: 2.5 V to 6 V
• Output voltage range: 0.8 V to VIN (adjustable)
• Maximum output current: 3 A (with appropriate thermal design)
• Switching frequency (typical): 2 MHz
• Control scheme: DCS‑Control
• Synchronous rectification: Yes
• Duty cycle: 100% (supports low‑dropout operation)
• Enable pin: Yes
• Soft‑start: Internal

Efficiency and power behavior

• Efficiency: Up to ~95% (typical, application‑dependent)
• Quiescent current: ~22 µA (typical, no load)
• Light‑load mode: Power‑save (PFM) operation

Protection and reliability

• Protection features: Overcurrent protection, thermal shutdown, undervoltage lockout (UVLO)
• Operating temperature range (ambient): −40°C to +85°C

Package and assembly

• Package: VQFN‑7 (RLT), 2 × 2 mm
• Pin count: 7
• Mounting type: Surface‑mount
• Thermal pad: Exposed pad (connect to ground for thermal and electrical performance)
• Packaging: Tape & Reel (RLTR suffix)

Resources

• Datasheet: https://www.ti.com/lit/ds/symlink/tlv62085.pdf
• Product page: https://www.ti.com/product/TLV62085

How DCS‑Control benefits your power rail

TI’s DCS‑Control architecture blends the fast transient response of hysteretic control with the predictability of fixed‑frequency PWM. For the Texas Instruments TLV62085RLTR, this means:

• Rapid response to load steps from digital ICs (CPUs, FPGAs, ASICs), helping maintain tight regulation on low‑voltage rails.
• Low steady‑state ripple to meet noise‑sensitive analog and RF sub‑systems when paired with appropriate filtering.
• Smooth transition between light‑load PFM and heavy‑load PWM operation, improving overall efficiency across the load profile.
• Consistent switching behavior to simplify EMI planning and filter design.

The 2 MHz typical switching frequency allows the use of small inductors and ceramic capacitors, which reduces total solution size and helps meet density goals on crowded boards. When the input voltage approaches the desired output voltage (such as in battery‑powered systems nearing depletion), 100% duty‑cycle operation helps minimize dropout, keeping rails alive longer.

Applications

The Texas Instruments TLV62085RLTR supports a wide range of applications:

• Point‑of‑load regulation for processors, FPGAs, and ASICs
• Battery‑powered and portable equipment
• Industrial and test equipment
• Set‑top boxes, gateways, and networking gear
• General‑purpose step‑down conversion from 5 V or 3.3 V rails

Where low output voltages (down to 0.8 V) and tight regulation under dynamic loads are required, the TLV62085RLTR’s combination of DCS‑Control, synchronous rectification, and protection features make it a dependable building block.

Design considerations and practical tips

While the TLV62085RLTR integrates control and power switches, layout and component selection remain critical to achieving the advertised performance. The following guidance can help streamline your design reviews and reduce iteration:

• Input and output capacitors: Place ceramic capacitors as close as possible to the IC pins to minimize ESL/ESR and shrink high di/dt current loops. Use the datasheet’s recommendations for capacitance and voltage ratings.
• Inductor selection: Choose an inductor rated for the peak current and with suitable saturation characteristics at your 3 A load target. The 2 MHz frequency favors small‑value inductors; verify ripple current and efficiency tradeoffs.
• Thermal performance: Solder the exposed pad to a solid ground plane and include vias for heat spreading. This is essential to supporting 3 A loads within the ambient range.
• Feedback and routing: Keep the feedback divider close to the FB pin, route as a short, quiet trace, and avoid coupling to the switch node to minimize ripple injection.
• Start‑up and sequencing: Internal soft‑start eases inrush and downstream rail sequencing. If multiple rails require coordination, use the enable pin and any system‑level sequencing logic accordingly.
• EMI/EMC: The fixed 2 MHz operation simplifies filter planning. Maintain tight switch‑node layout and consider a small RC snubber only if necessary per EMI validation.

Because efficiency, temperature rise, and ripple are application‑dependent, validate your design over load, line, and ambient extremes using the latest TI datasheet guidance.

Sourcing notes and part numbering

• Full part number: TLV62085RLTR
• Brand/manufacturer: Texas Instruments
• Series: TLV6208x
• Package code: RLT (VQFN‑7, 2 × 2 mm)
• Packaging suffix: RLTR indicates Tape & Reel format

This exact ordering code, TLV62085RLTR, is optimized for automated assembly lines requiring tape‑and‑reel packaging. Always confirm the suffix when placing orders to ensure the correct package and packing format for your production flow.

Lifecycle and replacements

• Lifecycle status: Active (per Texas Instruments product page at the time of this writing)
• Manufacturer‑listed direct replacements: None specified in the provided data

If you need footprint or electrical alternatives, review the TLV6208x family on TI’s product page to identify close relatives. Before substitution, confirm compatibility of pinout, control behavior, current rating, and thermal performance in the datasheet.

Compliance and environmental information

• RoHS: Compliant; lead‑free/Green device (per manufacturer declarations)
• REACH: SVHC‑free per TI compliance documentation (refer to TI resources)

For formal compliance records and region‑specific declarations, consult TI’s compliance documentation linked through the product page.

Detailed feature set and value to your design

• Adjustable output reference: 0.8 V minimum enables low‑core rails without external references.
• Integrated MOSFETs: Reduces BOM count and simplifies layout compared with controller + external FET solutions.
• Light‑load efficiency: Power‑save (PFM) mode lowers switching losses during standby, extending battery life in portable devices.
• Robust protections: Overcurrent and thermal shutdown provide safety margins during fault conditions and simplify system‑level protection strategies.
• UVLO: Prevents undefined operation at low input voltages and supports cleaner system start‑up behavior.
• Small footprint: The 2 × 2 mm VQFN‑7 minimizes PCB area for dense, multi‑rail designs.

For sourcing managers, these consolidated capabilities can reduce supplier count, accelerate qualification, and minimize rework when designs move from prototype to production.

Specifications summary

• Category: Power Management ICs – DC‑DC Converters (Buck)
• Regulator type: Step‑Down, Non‑Isolated
• Input voltage: 2.5 V to 6 V
• Output voltage: 0.8 V to VIN (adjustable)
• Output current: Up to 3 A
• Switching frequency: 2 MHz (typical)
• Control: DCS‑Control
• Efficiency: Up to ~95% (typical, application‑dependent)
• Quiescent current: ~22 µA (typ., no load)
• Protections: Overcurrent, Thermal Shutdown, UVLO
• Duty cycle: 100% (low‑dropout operation)
• Enable: Yes
• Soft‑start: Internal
• Operating temperature: −40°C to +85°C (ambient)
• Package: VQFN‑7 (RLT), 2 × 2 mm, exposed pad
• Mounting: Surface‑mount
• Pin count: 7

Where additional parameters are not specified above, refer to the TI datasheet for limits, test conditions, and characterization details.

Frequently asked questions (FAQs)

• What is the input voltage range of the Texas Instruments TLV62085RLTR?

• 2.5 V to 6 V.

• What is the maximum continuous output current?

• Up to 3 A with appropriate thermal design and layout.

• What is the switching frequency?

• Typically 2 MHz.

• What package does the TLV62085RLTR use?

• A 2 × 2 mm VQFN‑7 (RLT) package supplied in tape‑and‑reel (RLTR).

• Does the TLV62085RLTR support 100% duty‑cycle operation?

• Yes. This enables low‑dropout behavior when VIN approaches VOUT.

• Is the device synchronous?

• Yes. It integrates both high‑side and low‑side MOSFETs for synchronous rectification.

• Is there an enable pin and internal soft‑start?

• Yes to both; the device features an enable pin and internal soft‑start.

• What is the operating temperature range?

• −40°C to +85°C (ambient).

• Is the device RoHS compliant?

• Yes, per manufacturer declarations. REACH SVHC‑free status is also indicated; consult TI compliance docs for formal statements.

Getting started and resources

• Product page (overview, tools, compliance): https://www.ti.com/product/TLV62085
• Datasheet (electrical characteristics, application guidance): https://www.ti.com/lit/ds/symlink/tlv62085.pdf

Note: Efficiency, ripple, and thermal behavior depend on component choices and board layout. Always validate final performance against the latest Texas Instruments TLV62085 datasheet and your application conditions.