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Skyworks Solutions Inc. AAT2114AIVN-0.6-T1
- Part No.:
- AAT2114AIVN-0.6-T1
- Manufacturer:
- Skyworks Solutions Inc.
- Package:
- 16-VFQFN Exposed Pad
- Datasheet:
-
AAT2114AIVN-0.6-T1.pdf
- Description:
- IC REG BUCK ADJ 2.5A 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,965
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Product details
Overview
AAT2114AIVN-0.6-T1 from Skyworks Solutions is a 2.5A monolithic step-down DC/DC regulator with 3MHz switching frequency, 0.6V internal feedback reference, and integrated high-side P-channel and low-side N-channel MOSFETs. It delivers adjustable 1.0V to VIN output from 2.7V–5.5V input, achieves up to 95% efficiency, maintains 70μA no-load quiescent current, and supports fast transient response in Li-ion-powered portable devices such as MP3 players and digital cameras.
For engineers reviewing the AAT2114AIVN-0.6-T1 datasheet, AAT2114AIVN-0.6-T1 pinout, AAT2114AIVN-0.6-T1 application, or AAT2114AIVN-0.6-T1 equivalent, key selection criteria include its 3MHz fixed-frequency current-mode control, 0.6V FB threshold enabling precise 1.2V output with 59kΩ/59kΩ resistor divider, thermal shutdown at 140°C, and QFN33-16 (3mm × 3mm) package with exposed thermal pad.
Technical Context
The AAT2114AIVN-0.6-T1 implements peak current-mode control with fixed slope compensation to ensure stability at duty cycles >50%, using internal 0.6V reference and voltage error amplifier to program switch current. Its control loop integrates compensation, eliminating external components while supporting bandwidth sufficient for sub-50µs load transients (250mA→2.5A).
It combines high-side P-MOSFET (RDS(ON) = 120mΩ) and low-side N-MOSFET (RDS(ON) = 100mΩ) with gate drivers optimized for minimal dead-time loss. Under light load, it reduces switching frequency to maintain efficiency, and includes UVLO (2.7V threshold, 0.1V hysteresis), over-temperature shutdown (140°C, 15°C hysteresis), and cycle-by-cycle current limiting (3A typical).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 2.5A maximum continuous - supports core logic rails in portable SoC applications. |
| Switching Frequency | 3MHz nominal - enables use of sub-1µH inductors and <22µF ceramic output capacitance. |
| Input Voltage Range | 2.7V to 5.5V - compatible with single-cell Li-ion/polymer (2.7–4.2V) and USB-powered systems. |
| Feedback Reference | 0.6V ±9mV (591–609mV) - sets output via resistor divider; enables 1.2V output with matched 59kΩ/59kΩ network. |
| Quiescent Current | 70µA typical at no load - extends battery runtime in always-on subsystems. |
| Efficiency | Up to 95% at full load - achieved via integrated MOSFETs, low RDS(ON), and adaptive light-load frequency scaling. |
| Thermal Shutdown | 140°C junction temperature with 15°C hysteresis - protects IC and system during sustained overload or poor PCB thermal design. |
Pinout & Package
Package: 16-pin QFN33-16 (3mm × 3mm, 0.5mm pitch) with exposed thermal pad (EP/GND) for low-impedance thermal path to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1,2,3 PGND | Power Ground | Internal source connection of low-side N-MOSFET; must be tied to input/output capacitor return and thermal pad. |
| 4 FB | Feedback Input | Senses output voltage via resistive divider; regulated to 0.6V - determines VOUT = 0.6V × (1 + R3/R4). |
| 5 SGND | Signal Ground | Analog ground for control circuitry; separate from PGND to avoid noise coupling into feedback path. |
| 6,8,16 N/C | No Connect | Not internally bonded; may be left floating or tied to adjacent ground for mechanical stability. |
| 7 EN | Enable Input | Active-high logic control; <0.4V disables regulator (ISHDN <1µA), >1.4V enables operation. |
| 9 VCC | Bias Supply | Powers internal analog/logic circuits; must be bypassed to SGND with ≥0.1µF capacitor. |
| 10,11,12 VP | Input Power | Main power input (2.7–5.5V); connects internally to high-side P-MOSFET source and drivers. |
| 13,14,15 LX | Switch Node | Connection point between high-side drain and low-side source; drives external inductor. |
| EP (GND) | Thermal Pad | Substrate ground and primary thermal path; must be soldered to large PCB copper area for θJA = 43°C/W. |
Key Features
| Feature | Design Value |
|---|---|
| Internally compensated current-mode control | Eliminates external compensation components while delivering <50µs load transient recovery (250mA→2.5A). |
| Low-noise light-load architecture | Reduces spectral noise and maintains <10mVPP output ripple at 10mA load without pulse-skipping artifacts. |
| Integrated high- and low-side MOSFETs | 120mΩ P-MOSFET + 100mΩ N-MOSFET enable >90% efficiency at 1A/1.2V with minimal conduction loss. |
| Internal soft-start | 60µs controlled ramp prevents inrush current and output overshoot during enable or VIN application. |
| Stable with 20µF output capacitance | Enables use of compact, low-ESR ceramic capacitors (e.g., 2×10µF X5R) instead of larger tantalum or polymer types. |
Applications
| Mobile Baseband Processor Core Rail | Digital Camera Image Sensor Bias |
|---|---|
|
Use Scenario: Powering ARM Cortex-A series CPU cores requiring tightly regulated 1.2V @ 2.5A with fast dynamic voltage scaling. IC Role / Device Role / Timing Role: Primary step-down regulator delivering dynamically adjusted core voltage under PMIC command or direct enable control. Use Value: 3MHz switching enables <0.5µH inductor and 2×10µF output caps, reducing solution footprint by >40% vs. 500kHz alternatives. |
Use Scenario: Supplying clean, low-noise bias to CMOS image sensors in smartphone rear cameras during burst capture mode. IC Role / Device Role / Timing Role: Dedicated low-ripple LDO-replacement supply with fast transient response to sensor pixel readout current spikes. Use Value: 70µA quiescent current and <10mVPP ripple at light load preserve image SNR and extend standby time. |
| Wireless Card RF Front-End Bias | Portable Media Player Audio Codec Rail |
|
Use Scenario: Providing stable 1.8V rail to Wi-Fi/BT combo chip RF synthesizers and PA drivers in M.2/Nano-SIM form factor modules. IC Role / Device Role / Timing Role: High-Power Efficiency Buck Converter supplying RF section with minimal conducted EMI due to 3MHz fundamental frequency. Use Value: Fixed 3MHz operation places switching harmonics above 2.4GHz ISM band, easing RF filtering and EMC certification. |
Use Scenario: Generating 2.5V analog supply for stereo audio DAC/ADC in battery-powered MP3 players with <10-hour playback requirement. IC Role / Device Role / Timing Role: High-efficiency, low-quiescent-current buck converter operating across full Li-ion voltage range (4.2V→2.7V). Use Value: Adaptive light-load frequency scaling maintains >85% efficiency down to 10mA, extending battery life without sacrificing audio performance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Texas Instruments TPS62130ARGTR | 2.5A, 3MHz, 0.6V FB, but uses synchronous buck with external compensation; requires 100nF feed-forward cap for optimal transient response. | Higher BOM count due to external RC compensation network; slightly lower light-load efficiency (<85% at 10mA vs. AAT2114AIVN-0.6-T1's >88%). | Select when design requires programmable soft-start delay or I2C margining not supported by AAT2114AIVN-0.6-T1. |
| Analog Devices ADP2302ACPZ-R7 | 2A max output, 600kHz switching, 0.8V FB, requires external compensation; higher RDS(ON) (180mΩ/150mΩ) limits full-load efficiency to ~92%. | Lower switching frequency necessitates ≥2.2µH inductor and ≥47µF output capacitance - increases solution size by ~2.5×. | Select only if cost sensitivity outweighs size/efficiency requirements and 2A output suffices. |
Compared with TPS62130ARGTR and ADP2302ACPZ-R7, the AAT2114AIVN-0.6-T1 offers superior integration (no external compensation), smaller total solution size, and better light-load efficiency - making it optimal for space-constrained, battery-sensitive portable designs where 2.5A capability and 3MHz operation are critical.
Availability
AAT2114AIVN-0.6-T1 is available at Aetrix Electronics and suitable for cellular phones, digital cameras, and wireless cards requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for AAT2114AIVN-0.6-T1 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
Skyworks Solutions is a global leader in high-performance analog semiconductors, specializing in RF, mobile, and power management solutions for wireless infrastructure and consumer electronics.
The AAT2114AIVN-0.6-T1 belongs to Skyworks' SwitchReg™ family of monolithic DC/DC converters, engineered specifically for ultra-compact, high-efficiency power delivery in battery-powered portable devices with stringent EMI and transient response requirements.
FAQ
What is the exact feedback reference voltage of the AAT2114AIVN-0.6-T1, and how does it affect output accuracy?
The AAT2114AIVN-0.6-T1 features a precision internal feedback reference of 0.6V, specified from 591mV to 609mV (±9mV) over temperature and line. This tight tolerance directly determines output voltage accuracy when using external resistors - for example, a 1.2V output set with 59kΩ/59kΩ resistors yields ±1.5% total error including resistor tolerance and FB drift. The AAT2114AIVN-0.6-T1 maintains this reference stability across –40°C to +85°C ambient.
Can the AAT2114AIVN-0.6-T1 operate with a 2.5V input to deliver 1.2V output, and what efficiency can be expected?
Yes, the AAT2114AIVN-0.6-T1 supports input voltages as low as 2.7V per absolute ratings, so 2.5V is below minimum operating voltage and not supported. At VIN = 2.7V and VOUT = 1.2V, efficiency reaches ~87% at 1A load (per Figure 6), dropping to ~82% at 2.5A due to increased conduction losses. Operation at 2.7V is validated and stable, but 2.5V violates UVLO threshold and will prevent startup.
Does the AAT2114AIVN-0.6-T1 require external compensation components, and why is that beneficial?
No, the AAT2114AIVN-0.6-T1 uses fully internal compensation for its current-mode control loop, eliminating the need for external Type-II or Type-III compensation networks. This reduces BOM count, PCB area, and design validation effort while ensuring consistent loop stability across all operating conditions - a key advantage over competitors like TPS62130ARGTR that require careful external RC tuning.
How does the AAT2114AIVN-0.6-T1 handle over-temperature conditions, and what happens after fault clearance?
The AAT2114AIVN-0.6-T1 incorporates thermal shutdown with a 140°C junction threshold and 15°C hysteresis. When TJ exceeds 140°C, switching halts immediately and the output enters high-impedance state. Once junction temperature falls below 125°C, the AAT2114AIVN-0.6-T1 automatically resumes normal regulation without requiring an enable toggle or power cycle - ensuring robust, self-recovering protection in thermally constrained layouts.
What is the recommended output capacitor configuration for a 1.2V/2.5A application using the AAT2114AIVN-0.6-T1?
Skyworks specifies a minimum 20µF output capacitance for stable operation, and the AAT2114AIVN-0.6-T1 evaluation board uses two 10µF X5R ceramic capacitors (2×10µF) in parallel. This configuration ensures adequate bulk capacitance for load transients while maintaining low ESR/ESL - critical for achieving <190mV droop during 250mA→2.5A steps and <10mVPP ripple at light loads. A single 22µF X5R capacitor is also acceptable if footprint allows.
AAT2114AIVN-0.6-T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- SwitchReg™
- Package/Case:
- 16-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 2.5A
- Frequency - Switching:
- 3MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (3x3)
AAT2114AIVN-0.6-T1 FAQ
1.How can I place an order for AAT2114AIVN-0.6-T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AAT2114AIVN-0.6-T1 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 AAT2114AIVN-0.6-T1 reliable?
The price and inventory of AAT2114AIVN-0.6-T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AAT2114AIVN-0.6-T1 is usually 5 days.
3.What payment methods are accepted for AAT2114AIVN-0.6-T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AAT2114AIVN-0.6-T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AAT2114AIVN-0.6-T1?
AAT2114AIVN-0.6-T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AAT2114AIVN-0.6-T1 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 AAT2114AIVN-0.6-T1?
For technical support, including AAT2114AIVN-0.6-T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AAT2114AIVN-0.6-T1 requirements.
6.How does Aetrix verify that AAT2114AIVN-0.6-T1 is sourced from the original manufacturer or authorized distributors?
All AAT2114AIVN-0.6-T1 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 AAT2114AIVN-0.6-T1 meets industry standards.
7.What is the process for return or replacement of AAT2114AIVN-0.6-T1?
All AAT2114AIVN-0.6-T1 units undergo pre-shipment inspection (PSI). If there is an issue with AAT2114AIVN-0.6-T1, 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 AAT2114AIVN-0.6-T1 part is unused and in its original packaging.
Return procedure for AAT2114AIVN-0.6-T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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