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Texas Instruments TPS72725DSET
- Part No.:
- TPS72725DSET
- Manufacturer:
- Texas Instruments
- Package:
- 6-WFDFN
- Datasheet:
-
TPS72725DSET.pdf
- Description:
- IC REG LINEAR 2.5V 250MA 6WSON
- Quantity:
- Payment:
- Shipping:
Inventory:423
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Product details
Overview
TPS72725DSET from Texas Instruments is a 2.5-V fixed-output, 250-mA ultralow-quiescent-current LDO linear regulator in a 1.5-mm × 1.5-mm WSON-6 package. It delivers 2% output accuracy over load, line, and temperature (–40°C to +125°C), features 65-mV typical dropout at 100 mA, 7.9-μA quiescent current, and stable operation with only a 1.0-μF ceramic output capacitor - ideal for battery-powered RF and portable consumer electronics.
For engineers reviewing the TPS72725DSET datasheet, TPS72725DSET pinout, TPS72725DSET application, or TPS72725DSET equivalent, key selection criteria include its ultralow IQ, fast load transient response (±50 mV for 200-mA step), high PSRR (70 dB @ 1 kHz), factory-programmed fixed output, and thermal/overcurrent protection - all in a space-constrained 6-pin SON package.
Technical Context
The TPS72725DSET employs a PMOS pass transistor enabling low dropout and inherent reverse-voltage blocking via its body diode. Its precision band-gap reference and error amplifier ensure 2% DC accuracy across –40°C to +125°C, while internal EEPROM sets the 2.5-V output voltage during manufacturing - eliminating external feedback components.
Functional modes are controlled by an active-high EN pin (0.9 V threshold), enabling shutdown with 120-nA ground current. The device integrates soft-start (0.07 V/μs ramp rate), undervoltage lockout (1.90 V nominal), thermal shutdown (+160°C trip), and current limiting (typ. 400 mA) - all operating without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.5 V ±2% over load, line, and temperature - eliminates need for external resistor divider and ensures stable rail for RF analog circuits. |
| Max Output Current | 250 mA continuous - supports moderate-power microcontrollers, sensors, and RF front-end ICs in handheld devices. |
| Quiescent Current | 7.9 μA typical - enables multi-year battery life in always-on IoT sensors and remote controls. |
| Dropout Voltage | 65 mV at 100 mA - allows operation from single-cell Li-ion (3.0 V min) or two-cell alkaline (2.4 V min) with margin. |
| PSRR | 70 dB at 1 kHz - suppresses switching noise from upstream DC/DC converters feeding sensitive RF receivers. |
| Stability | Guaranteed with ≥1.0-μF X5R/X7R ceramic capacitor - reduces BOM count and PCB area vs. tantalum or electrolytic solutions. |
| Operating Temp | –40°C to +125°C junction - qualified for automotive infotainment modules and industrial handheld terminals. |
Pinout & Package
TPS72725DSET is housed in a thermally enhanced 1.5-mm × 1.5-mm WSON-6 (DSE) package with exposed thermal pad (not electrically connected). Pin 1 is OUT; pin 3 is GND; pin 4 is EN; pin 6 is IN. NC pins (2 and 5) may be grounded to improve thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT (Pin 1) | Regulated output | Delivers stable 2.5-V supply; requires 1.0-μF ceramic capacitor to GND for stability and transient response. |
| NC (Pin 2) | No connection | Internally unconnected; may be tied to GND to enhance thermal conduction from die to PCB. |
| GND (Pin 3) | Ground reference | Primary return path for load, ground pin current (110 μA @ 200 mA), and thermal dissipation. |
| EN (Pin 4) | Enable control | Active-high logic input; >0.9 V enables regulator, <0.4 V disables it (120 nA shutdown current). |
| NC (Pin 5) | No connection | Internally unconnected; grounding improves thermal performance without electrical impact. |
| IN (Pin 6) | Input supply | Accepts 2.0–5.5 V input; requires low-ESR bypass capacitor to suppress source impedance effects. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow IQ | 7.9 μA quiescent current enables >10-year battery life in coin-cell–powered remote sensors. |
| Fast Load Transient | ±50 mV deviation for 200-mA load step - maintains clean supply for RF transceivers during TX bursts. |
| Factory-Programmed Output | 2.5-V output set via EEPROM - eliminates external resistors, saves board space, and guarantees accuracy. |
| Thermal & Current Protection | Auto-cycling thermal shutdown (+160°C trip) and 400-mA current limit prevent damage during overload or poor heatsinking. |
| RF-Optimized PSRR | 70 dB @ 1 kHz and >40 dB up to 1 MHz - critical for powering PLLs, ADCs, and low-noise amplifiers in wireless systems. |
Applications
| Wireless Handset Power Rail | Bluetooth® Audio Module Supply |
|---|---|
Use Scenario: Powers baseband processor I/O and RF synthesizer in compact smartphone designs where board space and battery life are constrained. IC Role / Device Role / Timing Role: Primary 2.5-V LDO supplying noise-sensitive analog blocks; replaces higher-IQ regulators to extend standby time. Use Value: 7.9-μA IQ and 70-dB PSRR reduce system-level power consumption and improve receiver sensitivity by suppressing DC/DC ripple. |
Use Scenario: Supplies 2.5-V bias to Bluetooth audio codec and Class-D amplifier in true wireless stereo earbuds. IC Role / Device Role / Timing Role: Low-noise, fast-transient LDO delivering clean power during dynamic audio playback and call handling. Use Value: ±50-mV load transient response prevents audible pop/click artifacts; 1.0-μF ceramic compatibility simplifies layout in ultra-thin form factors. |
| Industrial Remote Sensor Node | Smart Home Zigbee® Hub |
Use Scenario: Powers ultra-low-power MCU and sub-GHz RF transceiver in battery-operated environmental sensor nodes deployed for 5+ years. IC Role / Device Role / Timing Role: Always-on 2.5-V regulator maintaining real-time clock and wake-up circuitry during deep-sleep cycles. Use Value: 120-nA shutdown current during EN-inactive state extends battery lifetime; –40°C to +125°C rating ensures outdoor reliability. |
Use Scenario: Provides regulated 2.5-V supply to Zigbee® SoC and memory in smart home gateway hubs requiring continuous connectivity. IC Role / Device Role / Timing Role: Main system LDO supporting burst-mode communication and firmware updates without rail collapse. Use Value: 250-mA output capability handles peak SoC current demands; thermal protection prevents field failures under sustained high ambient temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS72725YFF | Same 2.5-V output and specs, but in 4-ball 1.2-mm × 0.8-mm DSBGA package - 30% smaller footprint, no exposed thermal pad. | Better suited for ultra-thin wearables where height (<0.6 mm) and minimal PCB area are critical; lower thermal resistance to board (76°C/W vs. 149.3°C/W). | Select TPS72725YFF when board thickness or area is more constrained than thermal performance; verify soldering process for wafer-level CSP. |
| MCP1700T-2502E/MB | 2.5-V fixed LDO with 1.6-μA IQ, but only 250-mA max output at 2% accuracy over narrower temp range (–40°C to +85°C); no EN pin or thermal shutdown. | Suitable for cost-sensitive, non-automotive consumer products with less stringent reliability or thermal requirements. | Choose MCP1700T-2502E/MB only for low-risk commercial applications where extended temperature operation and fault protection are not required. |
Compared with TPS72725YFF, the TPS72725DSET offers superior thermal dissipation via its WSON thermal pad and simplified assembly, while the MCP1700T-2502E/MB trades protection features and temperature range for lower IQ and cost - making TPS72725DSET optimal for robust, space-constrained industrial and wireless designs.
Availability
TPS72725DSET is available at Aetrix Electronics and suitable for wireless handsets, Bluetooth® audio modules, and industrial remote sensor nodes requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for TPS72725DSET includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company designing analog ICs, embedded processors, and digital signal processors for industrial, automotive, and consumer markets.
The TPS727 family was engineered specifically for ultralow-power, space-constrained portable electronics - delivering RF-grade PSRR, factory-programmed outputs, and sub-10-μA quiescent current in wafer-level and SON packages.
FAQ
What is the maximum input voltage rating for the TPS72725DSET?
The TPS72725DSET has an absolute maximum input voltage of +6.0 V, but its recommended operating range is 2.0 V to 5.5 V. Exceeding 5.5 V risks violating safe operating area limits and may trigger undervoltage lockout or thermal shutdown. For reliable 2.5-V output regulation, maintain VIN ≥ VOUT + dropout (≥2.565 V at 100 mA).
Does the TPS72725DSET require an input capacitor for stability?
The TPS72725DSET does not require an input capacitor for basic stability, but Texas Instruments recommends a 0.1-μF to 1.0-μF low-ESR ceramic capacitor between IN and GND. This improves transient response, reduces input ripple coupling, and mitigates noise from upstream DC/DC converters - especially critical in RF-sensitive applications using the TPS72725DSET.
How does the enable (EN) pin function on the TPS72725DSET?
The EN pin on the TPS72725DSET is active-high with a 0.9-V turn-on threshold and 0.4-V turn-off threshold. When pulled above 0.9 V, the regulator powers up with 100-μs startup time; when pulled below 0.4 V, it enters shutdown mode drawing only 120 nA. If enable functionality is unused, EN may be tied directly to IN for always-on operation.
Can the TPS72725DSET be used with a 0.47-μF output capacitor?
No - the TPS72725DSET is specified and tested for stability only with output capacitance ≥1.0 μF (ceramic, X5R/X7R). Using 0.47 μF violates the minimum requirement and may cause oscillation, excessive overshoot during load transients, or failure to regulate under varying conditions. Always use ≥1.0 μF per the TPS72725DSET datasheet.
What thermal protection behavior does the TPS72725DSET exhibit under overload?
Under sustained overload, the TPS72725DSET activates thermal shutdown at approximately +160°C junction temperature, disabling the output. Once the die cools to ~+140°C, it automatically recovers. This cycling prevents permanent damage but indicates inadequate PCB copper or excessive power dissipation - design must ensure TJ ≤ +125°C under worst-case load and ambient conditions for reliable TPS72725DSET operation.
TPS72725DSET Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-WFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.2V @ 200mA
- Current - Output:
- 250mA
- Current - Quiescent (Iq):
- 110 µA
- Current - Supply (Max):
- 130 µA
- PSRR:
- 85dB ~ 45dB (10Hz ~ 1MHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Under Voltage Lockout (UVLO)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WSON (1.5x1.5)
TPS72725DSET FAQ
1.How can I place an order for TPS72725DSET through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS72725DSET on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS72725DSET reliable?
The price and inventory of TPS72725DSET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS72725DSET is usually 5 days.
3.What payment methods are accepted for TPS72725DSET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS72725DSET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS72725DSET?
TPS72725DSET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS72725DSET order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS72725DSET?
For technical support, including TPS72725DSET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS72725DSET requirements.
6.How does Aetrix verify that TPS72725DSET is sourced from the original manufacturer or authorized distributors?
All TPS72725DSET products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS72725DSET meets industry standards.
7.What is the process for return or replacement of TPS72725DSET?
All TPS72725DSET units undergo pre-shipment inspection (PSI). If there is an issue with TPS72725DSET, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS72725DSET part is unused and in its original packaging.
Return procedure for TPS72725DSET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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