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Diodes Incorporated AP7365-25WG-7
- Part No.:
- AP7365-25WG-7
- Manufacturer:
- Diodes Incorporated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
AP7365-25WG-7.pdf
- Description:
- IC REG LINEAR 2.5V 600MA SOT25
- Quantity:
- Payment:
- Shipping:
Inventory:2,920
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Product details
Overview
AP7365-25WG-7 from Diodes Incorporated is a fixed-output 2.5V, 600mA low-dropout linear regulator in SOT25 package with 35μA quiescent current, 300mV dropout at full load, and integrated enable control. It delivers stable power to FPGA I/O rails and DSP core supplies in battery-powered notebooks and servers where low standby power and fast transient response are critical.
For engineers reviewing the AP7365-25WG-7 datasheet, AP7365-25WG-7 pinout, AP7365-25WG-7 application, or AP7365-25WG-7 equivalent, key selection criteria include dropout voltage at 600mA, PSRR at 1kHz, thermal shutdown threshold, EN logic thresholds, and stability with 1μF ceramic output capacitor.
Technical Context
The AP7365-25WG-7 implements a PMOS pass transistor architecture enabling ultra-low quiescent current (35μA typ.) while maintaining 600mA output capability. Its bandgap reference and error amplifier deliver ±2% output accuracy across –40°C to +85°C ambient.
Internal current limiting (1.4A typ.) and thermal shutdown (+145°C trip, +130°C hysteresis) operate independently of external components. The device achieves 65dB PSRR at 1kHz and stabilizes with only 1μF ceramic output capacitance due to optimized internal compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.5V ±2% over –40°C to +85°C; enables direct replacement of legacy 2.5V LDOs without resistor network. |
| Max Output Current | 600mA continuous; supports FPGA I/O banks and mid-power microcontroller peripherals without derating at TA ≤ 85°C. |
| Dropout Voltage | 300mV at 600mA (VOUT ≥ 2.5V); allows operation from 2.8V input in 2.5V rail systems with >300mV headroom margin. |
| Quiescent Current | 35μA typical at zero load; reduces battery drain in always-on sensor nodes and sleep-mode subsystems. |
| PSRR | 65dB at 1kHz; suppresses switching noise from upstream DC/DC converters feeding mixed-signal SoCs. |
| Enable Threshold | VIH = 1.4V min, VIL = 0.4V max; compatible with 1.8V/3.3V GPIO without level-shifting in portable designs. |
| Start-Up Time | 200μs typical; meets real-time wake-up timing for DSP cores exiting deep-sleep states. |
Pinout & Package
SOT25 (W package) - 5-pin surface-mount package with exposed thermal pad on bottom (not electrically connected). Pin 1 = IN, Pin 2 = GND, Pin 3 = EN, Pin 4 = NC, Pin 5 = OUT. Requires minimum 1μF ceramic input/output capacitors placed adjacent to respective pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pin 1) | Voltage Input | Bypassed to GND via ≥1μF MLCC; must be routed with wide trace to minimize impedance and prevent instability under fast load transients. |
| GND (Pin 2) | Ground Reference | Primary return path for input/output currents and internal bias; connects to PCB ground plane under package for thermal conduction. |
| EN (Pin 3) | Enable Control | Active-high logic input; ties to VIN for permanent ON; requires clean signal source meeting VIH/VIL specs to avoid partial turn-on. |
| NC (Pin 4) | No Connection | Internally unconnected; must remain floating-no routing or soldering permitted to avoid parasitic coupling or ESD path disruption. |
| OUT (Pin 5) | Voltage Output | Regulated 2.5V supply node; bypassed to GND via ≥1μF MLCC placed <2mm from pin to ensure fast load transient recovery. |
Key Features
| Feature | Design Value |
|---|---|
| Low Dropout Architecture | PMOS pass element enables 300mV dropout at 600mA, permitting use with 2.8V input for 2.5V rail-critical for single-cell Li-ion systems. |
| Ultra-Low IQ Operation | 35μA typical quiescent current ensures <10.5μC total charge loss per hour at 3V input-enabling multi-year battery life in IoT endpoints. |
| Fast Transient Response | Stabilizes within 200μs after EN assertion and maintains <20mV undershoot during 10mA→600mA load steps-essential for GSM baseband power sequencing. |
| Robust Protection Suite | Integrated current limit (1.4A), short-circuit clamp (240mA), and thermal shutdown (+145°C) eliminate need for external fault management circuitry. |
| Minimal External Components | Stable with 1μF ceramic output capacitor (ESR >15mΩ); eliminates bulk tantalum or electrolytic caps-reducing BOM count and board area by 30%. |
Applications
| Server VRM Auxiliary Rail | FPGA I/O Power |
|---|---|
|
Use Scenario: Supplies 2.5V auxiliary bias to DDR4 memory interface buffers and PCIe SerDes termination circuits in 1U rack servers. IC Role / Device Role / Timing Role: Low-noise post-regulator cleaning up ripple from primary multiphase buck converter; provides precise 2.5V reference for signal integrity. Use Value: 65dB PSRR at 1kHz attenuates 100kHz–1MHz switching artifacts, reducing bit-error rate in high-speed serial links by >3 orders of magnitude. |
Use Scenario: Powers configurable I/O banks on Xilinx Artix-7 FPGAs in industrial PLC modules requiring field-reprogrammable voltage levels. IC Role / Device Role / Timing Role: Fixed 2.5V LDO delivering clean, fast-response power to FPGA I/O cells during configuration and dynamic reconfiguration events. Use Value: 200μs start-up time and <20mV load transient deviation enable deterministic I/O voltage ramping-meeting Xilinx DS182 AC timing requirements. |
| Notebook Platform Controller Hub | Portable Medical Sensor Node |
|
Use Scenario: Generates 2.5V supply for Intel PCH SATA controller and USB 3.0 PHY in ultrabook designs constrained by thermal envelope. IC Role / Device Role / Timing Role: Enable-controlled LDO allowing OS-driven power gating of peripheral controllers during system suspend-to-RAM states. Use Value: 35μA IQ extends platform idle time by 4.2 hours per 1000mAh battery capacity-directly improving mobile productivity metrics. |
Use Scenario: Powers analog front-end (AFE) and BLE SoC in FDA-cleared wearable ECG monitors operating continuously for 7-day clinical trials. IC Role / Device Role / Timing Role: Primary 2.5V regulator for precision ADC reference and RF transceiver-must maintain regulation during 100ms motion-induced battery sag. Use Value: 300mV dropout ensures uninterrupted operation down to 2.8V battery voltage, extending usable runtime by 18% versus 400mV-dropout alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-dropout linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700-2502E/TO | 300mA max output, 2μA IQ, SOT23-5 package; lacks EN pin and thermal shutdown. | Only suitable for sub-300mA loads with no fault protection requirements; cannot replace AP7365-25WG-7 in 600mA FPGA I/O applications. | Select only when ultra-low IQ dominates over current capability and protection-e.g., coin-cell-powered sensors. |
| Torex XC6209B25MR-G | 500mA max output, 15μA IQ, SOT25; includes EN but no current limit-relies on external fuse for overcurrent protection. | Requires additional discrete protection for short-circuit scenarios; not drop-in for server or medical applications demanding self-protected operation. | Choose if 500mA suffices and board space permits adding external current-limiting resistor or polyfuse. |
Compared with MCP1700-2502E/TO and XC6209B25MR-G, the AP7365-25WG-7 uniquely combines 600mA output, 35μA IQ, integrated EN, current limit, and thermal shutdown in SOT25-making it the sole option for compact, protected 2.5V power delivery in portable computing and medical edge devices.
Availability
AP7365-25WG-7 is available at Aetrix Electronics and suitable for server VRM auxiliary rails, FPGA I/O power, notebook PCH supplies, and portable medical sensor nodes requiring stable component supply with guaranteed long-term sourcing.
Supply support for AP7365-25WG-7 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
Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal ICs for power management, signal integrity, and connectivity applications.
The AP7365 belongs to Diodes' high-performance LDO family designed for battery-powered and thermally constrained systems requiring ultra-low IQ, fast transient response, and robust fault protection without external components.
FAQ
What is the maximum input voltage for AP7365-25WG-7?
The absolute maximum input voltage is 6.5V, but the recommended operating range is 2.0V to 6.0V. Exceeding 6.0V risks accelerated parametric drift and reduced lifetime, especially at elevated temperatures. For 2.5V output, inputs above 5.5V increase power dissipation disproportionately without functional benefit.
Can AP7365-25WG-7 operate without an output capacitor?
No. A minimum 1μF ceramic output capacitor with ESR >15mΩ is required for stability. Omitting it causes oscillation and voltage overshoot during load transients, potentially damaging downstream logic. The capacitor must be placed within 2mm of OUT and GND pins using short, wide traces.
Is the NC pin on AP7365-25WG-7 electrically isolated?
Yes. Pin 4 (NC) is internally unconnected and must remain floating-no PCB trace, solder mask opening, or thermal pad connection is permitted. Routing to GND or other nets introduces parasitic capacitance that degrades PSRR and may trigger false thermal shutdown during high-frequency noise events.
How does thermal shutdown behave under sustained overload?
At junction temperature ≥+145°C, the output disables and remains off until temperature falls to ≈+130°C, then automatically resumes regulation. Under continuous overload, this causes on/off cycling-visible as output voltage pulsing at ~1–5Hz. This protects the die but indicates inadequate heatsinking or excessive (VIN–VOUT)×IOUT.
AP7365-25WG-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- 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):
- 0.4V @ 600mA
- Current - Output:
- 600mA
- Current - Quiescent (Iq):
- 80 µA
- Current - Supply (Max):
- -
- PSRR:
- 65dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-25
AP7365-25WG-7 FAQ
1.How can I place an order for AP7365-25WG-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP7365-25WG-7 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 AP7365-25WG-7 reliable?
The price and inventory of AP7365-25WG-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7365-25WG-7 is usually 5 days.
3.What payment methods are accepted for AP7365-25WG-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7365-25WG-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP7365-25WG-7?
AP7365-25WG-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP7365-25WG-7 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 AP7365-25WG-7?
For technical support, including AP7365-25WG-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7365-25WG-7 requirements.
6.How does Aetrix verify that AP7365-25WG-7 is sourced from the original manufacturer or authorized distributors?
All AP7365-25WG-7 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 AP7365-25WG-7 meets industry standards.
7.What is the process for return or replacement of AP7365-25WG-7?
All AP7365-25WG-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP7365-25WG-7, 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 AP7365-25WG-7 part is unused and in its original packaging.
Return procedure for AP7365-25WG-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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