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Diodes Incorporated AP2114HA-2.5TRG1
- Part No.:
- AP2114HA-2.5TRG1
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
AP2114HA-2.5TRG1.pdf
- Description:
- IC REG LINEAR 2.5V 1A SOT223
- Quantity:
- Payment:
- Shipping:
Inventory:644
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Product details
Overview
AP2114HA-2.5TRG1 from BCD Semiconductor Manufacturing Limited is a fixed-output 2.5V, 1A CMOS low-dropout linear regulator with enable control, designed for stable local power regulation in noise-sensitive analog and mixed-signal circuits. It delivers ±1.5% output accuracy, 450mV typical dropout at 1A, 30μVRMS output noise, and operates across –40°C to +85°C ambient temperature. Used in LCD monitor power rails where low noise and tight voltage tolerance are critical.
For engineers reviewing the AP2114HA-2.5TRG1 datasheet, AP2114HA-2.5TRG1 pinout, AP2114HA-2.5TRG1 application, or AP2114HA-2.5TRG1 equivalent, key selection criteria include dropout voltage at full load, PSRR at 1kHz, thermal shutdown threshold, EN logic compatibility, and stability with 4.7μF ceramic output capacitors.
Technical Context
The AP2114HA-2.5TRG1 implements a CMOS-based LDO architecture with internal bandgap reference, error amplifier, and PMOS pass transistor. Its enable input (EN) provides active-high logic control with 1.5V VIH threshold and 0.4V VIL, supporting system-level power sequencing.
It integrates foldback short-circuit protection (50mA limit), thermal shutdown at 160°C with 25°C hysteresis, and a 60Ω VOUT discharge path when disabled. The regulator maintains stability with 4.7μF ceramic, tantalum, or aluminum electrolytic output capacitors without requiring ESR tuning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.5V ±1.5% - ensures consistent biasing for ADC references and analog front-ends. |
| Max Output Current | 1A continuous - supports single-rail powering of SoC cores or display driver ICs. |
| Dropout Voltage | 450mV typ @ 1A - enables operation from 3.0V input while maintaining regulation. |
| PSRR | 65dB @ 1kHz - suppresses switching noise from upstream DC/DC converters feeding the LDO. |
| Output Noise | 30μVRMS (10Hz–100kHz) - minimizes jitter in clock buffers and SNR degradation in audio paths. |
| Quiescent Current | 60μA - enables ultra-low standby power in always-on system monitoring functions. |
| Enable Threshold | VIH = 1.5V, VIL = 0.4V - compatible with 1.8V/3.3V GPIOs without level-shifting. |
Pinout & Package
SOT-223-3 (HA package) with exposed thermal pad; pin 1 = GND, pin 2 = VIN, pin 3 = VOUT. Thermal resistance θJA = 128°C/W (no heatsink), θJC = 50.9°C/W.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power ground reference and thermal conduction path via exposed pad. |
| 2 | VIN | Main input supply (2.5V–6.0V); requires ≥4.7μF ceramic input capacitor. |
| 3 | VOUT | Regulated 2.5V output; stable with 4.7μF ceramic output capacitor (ESR-independent). |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise regulation | 30μVRMS output noise enables clean power for precision ADCs and RF synthesizers. |
| Fast enable response | 20μs startup time allows rapid power-up in wake-from-sleep applications. |
| Robust fault protection | Foldback current limit (50mA) and thermal shutdown (160°C) prevent damage during overload or PCB overheating. |
| Flexible capacitor support | Stable with 4.7μF ceramic, tantalum, or aluminum electrolytic - eliminates ESR dependency. |
| Low-quiescent operation | 60μA IQ enables >10-year battery life in always-on sensor nodes with 200mAh coin cells. |
Applications
| LCD Monitor Power Rail | Set-Top Box Audio DAC Supply |
|---|---|
|
Use Scenario: Supplies 2.5V reference rail to column driver ICs and gamma correction circuitry in 24-inch LCD panels. IC Role / Device Role / Timing Role: Local LDO providing low-noise, tightly regulated voltage independent of main 12V DC/DC converter ripple. Use Value: Prevents visible vertical banding by limiting output voltage drift to ±37.5mV over temperature and line variation. |
Use Scenario: Powers stereo audio DAC (e.g., AK4490) in cable STB with HDMI audio output. IC Role / Device Role / Timing Role: Clean analog supply domain isolator between noisy digital SoC and sensitive audio conversion stage. Use Value: 65dB PSRR at 1kHz reduces switching noise coupling into DAC analog outputs, preserving >110dB SNR. |
| Industrial PLC I/O Module | Medical Patient Monitor Sensor Interface |
|
Use Scenario: Regulates 2.5V for isolated analog input channel amplifiers and 24-bit sigma-delta ADCs. IC Role / Device Role / Timing Role: Precision voltage source for ratiometric sensor measurements requiring <±0.5% total error budget. Use Value: ±1.5% initial accuracy plus ±30ppm/°C tempco ensures <±0.3% drift over –40°C to +70°C operating range. |
Use Scenario: Supplies 2.5V to ECG front-end instrumentation amplifiers and lead-off detection circuitry. IC Role / Device Role / Timing Role: Ultra-low-noise analog supply ensuring minimal baseline wander and motion artifact amplification. Use Value: 30μVRMS broadband noise avoids masking microvolt-level cardiac signals during differential amplification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS7A4700RGWR | 20V max VIN, 1A, 4μVRMS noise, higher cost, SO-8 package | Better for high-PSRR, ultra-low-noise medical imaging sensors | Select if <10μVRMS noise required and input voltage exceeds 6V. |
| MCP1703T-2502E/MB | 250mA max IOUT, SOT-23-5, 125mV dropout @ 250mA, lower quiescent current (2μA) | Suitable for low-power MCU peripherals, not full 1A loads | Choose only for space-constrained, sub-300mA applications where ultra-low IQ dominates. |
Compared with TPS7A4700RGWR and MCP1703T-2502E/MB, the AP2114HA-2.5TRG1 uniquely balances 1A capability, 450mV dropout, 30μVRMS noise, and SOT-223 thermal performance at cost-sensitive industrial price points.
Availability
AP2114HA-2.5TRG1 is available at Aetrix Electronics and suitable for LCD monitor power rails, set-top box audio subsystems, and industrial PLC analog I/O modules requiring stable component supply, RoHS-compliant green packaging, and long-term lifecycle assurance.
Supply support for AP2114HA-2.5TRG1 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
BCD Semiconductor Manufacturing Limited is a China-based fabless analog IC supplier specializing in power management, LED drivers, and interface solutions for consumer, industrial, and automotive markets.
The AP2114 product line targets cost-optimized, high-reliability LDO applications in displays, STBs, and industrial controls-emphasizing low noise, wide input range, and robust thermal protection without premium pricing.
FAQ
What is the minimum input voltage required for AP2114HA-2.5TRG1 to maintain regulation at 1A load?
The minimum input voltage is 2.95V, calculated as VOUT + VDROP = 2.5V + 450mV (typical dropout). At worst-case 750mV dropout (max spec), VIN must be ≥3.25V to sustain 1A output. Input below 2.5V is prohibited per absolute maximum ratings.
Can AP2114HA-2.5TRG1 operate with a 2.2μF ceramic output capacitor?
No. The datasheet specifies stability with ≥4.7μF ceramic, tantalum, or aluminum electrolytic capacitors. Using 2.2μF risks oscillation due to insufficient phase margin; 4.7μF is the validated minimum for all load conditions and temperatures.
Does the EN pin require an external pull-up resistor?
No. The EN pin has an internal 3.0MΩ pull-down resistor, so it defaults to OFF (shutdown) when left floating. A logic-high signal ≥1.5V is required to enable regulation; no external pull-up is needed unless driving from open-drain sources.
Is AP2114HA-2.5TRG1 qualified for automotive applications?
No. It is rated for –40°C to +85°C ambient operation and lacks AEC-Q100 qualification, automotive-grade screening, or extended temperature range (–40°C to +125°C). It is intended for industrial and consumer equipment only.
AP2114HA-2.5TRG1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.75V @ 1A
- Current - Output:
- 1A
- Current - Quiescent (Iq):
- 80 µA
- Current - Supply (Max):
- -
- PSRR:
- 65dB (100Hz ~ 1kHz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223-3
AP2114HA-2.5TRG1 FAQ
1.How can I place an order for AP2114HA-2.5TRG1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP2114HA-2.5TRG1 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 AP2114HA-2.5TRG1 reliable?
The price and inventory of AP2114HA-2.5TRG1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP2114HA-2.5TRG1 is usually 5 days.
3.What payment methods are accepted for AP2114HA-2.5TRG1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP2114HA-2.5TRG1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP2114HA-2.5TRG1?
AP2114HA-2.5TRG1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP2114HA-2.5TRG1 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 AP2114HA-2.5TRG1?
For technical support, including AP2114HA-2.5TRG1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP2114HA-2.5TRG1 requirements.
6.How does Aetrix verify that AP2114HA-2.5TRG1 is sourced from the original manufacturer or authorized distributors?
All AP2114HA-2.5TRG1 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 AP2114HA-2.5TRG1 meets industry standards.
7.What is the process for return or replacement of AP2114HA-2.5TRG1?
All AP2114HA-2.5TRG1 units undergo pre-shipment inspection (PSI). If there is an issue with AP2114HA-2.5TRG1, 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 AP2114HA-2.5TRG1 part is unused and in its original packaging.
Return procedure for AP2114HA-2.5TRG1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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