Diodes Incorporated AP130-25WL-7
- Part No.:
- AP130-25WL-7
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
AP130-25WL-7.pdf
- Description:
- IC REG LINEAR 2.5V 300MA SC59-3
- Quantity:
- Payment:

- Shipping:

Inventory:1,753
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Product details
Overview
AP130-25WL-7 from Diodes Incorporated is a 300mA fixed-output 2.5V low-dropout linear regulator in SC59 package, featuring 400mV dropout at full load, ±2% output accuracy, and 50µA quiescent current. It integrates PMOS pass element with no base current draw, thermal shutdown, and current-limit protection-designed for battery-powered peripherals requiring stable low-noise voltage regulation.
For engineers reviewing the AP130-25WL-7 datasheet, AP130-25WL-7 pinout, AP130-25WL-7 application, or AP130-25WL-7 equivalent, key selection criteria include dropout performance at 300mA, SC59 footprint compatibility, 2.5V output tolerance, thermal resistance (250°C/W), and integrated short-circuit fold-back protection.
Technical Context
The AP130-25WL-7 employs a PMOS pass transistor architecture enabling zero gate-drive current and inherently low quiescent consumption. Its error amplifier uses a bandgap reference to regulate output against line and load variations, with internal compensation ensuring stability with ≥10µF output capacitance.
Protection circuitry includes thermal shutdown triggered at ~125°C junction temperature and current limit set at 350–450mA with fold-back behavior under short-circuit conditions. PSRR reaches 58dB at 100Hz, supporting noise-sensitive analog and RF subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.5V ±2% - ensures precise rail generation for 2.5V logic or analog circuitry without external feedback. |
| Max Output Current | 300mA - supports moderate-power peripherals like USB transceivers or sensor interfaces. |
| Dropout Voltage | 400mV typ. at 300mA - enables operation down to VIN = 2.9V while maintaining regulation. |
| Quiescent Current | 50µA typ. - minimizes standby power loss in battery-backed systems. |
| PSRR | 58dB at 100Hz - suppresses input ripple from switching supplies feeding the LDO. |
| Thermal Resistance θJA | 250°C/W (SC59) - defines maximum power dissipation (125°C–25°C)/250 = 400mW before thermal shutdown). |
| Load Regulation | ±40mV (1–300mA) - maintains tight output stability across dynamic load steps. |
Pinout & Package
AP130-25WL-7 is housed in the SC59 surface-mount package (2.90 × 1.30 × 1.00 mm), optimized for space-constrained PCB layouts with standard SMT reflow compatibility.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN | Input supply connection; requires ≥1µF ceramic bypass capacitor near pin for stability. |
| 2 | OUT | Regulated 2.5V output; must be decoupled with ≥10µF low-ESR capacitor to ground. |
| 3 | GND | Power ground reference; shared return path for IN and OUT capacitors to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| PMOS Pass Element | Zero gate drive current eliminates base/charge-pump losses, enabling ultra-low IQ operation. |
| Current Limit with Fold-Back | Reduces short-circuit power dissipation by lowering output current as VOUT collapses below 1.05V. |
| Thermal Shutdown | Activates at ~125°C junction temperature and releases only after cooldown, preventing latch-up. |
| Green Molding Compound | Halogen-free (no Br/Sb) epoxy meets environmental compliance requirements for consumer electronics. |
| RoHS Compliant Finish | Lead-free termination compatible with Pb-free soldering processes per EU Directive 2002/95/EC. |
Applications
| Battery-Powered Peripherals | PC Card Power Management |
|---|---|
Use Scenario: Powering SD card readers or USB-to-serial adapters in portable notebooks. IC Role / Device Role / Timing Role: Primary 2.5V rail regulator supplying interface ICs and level shifters. Use Value: 50µA quiescent current extends battery runtime during idle states without sacrificing transient response. |
Use Scenario: Regulating 2.5V supply for PCI Express Mini Card modules in industrial PCs. IC Role / Device Role / Timing Role: Local point-of-load regulator decoupling high-speed digital I/O from noisy motherboard rails. Use Value: 58dB PSRR at 100Hz attenuates switching noise from adjacent DC-DC converters. |
| Optical Drive Logic Supply | Wireless Baseband Subsystem |
Use Scenario: Providing clean 2.5V power to servo control ASICs and laser diode drivers in DVD-ROM drives. IC Role / Device Role / Timing Role: Low-noise analog supply regulator isolated from motor driver noise. Use Value: 400mV dropout allows operation from partially discharged Li-ion cells (≥2.9V) throughout discharge cycle. |
Use Scenario: Supplying 2.5V to Bluetooth baseband processors and RF front-end bias circuits in handheld devices. IC Role / Device Role / Timing Role: Stable core voltage source enabling consistent RF modulation accuracy. Use Value: ±2% output accuracy ensures reliable ADC reference and PLL lock range across temperature. |
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 |
|---|---|---|---|
| AP2202K-2.5TRG1 | Higher IQ (80µA), same SC59 package, but lacks short-circuit fold-back. | Less robust under sustained overload; suitable only where fault duration is brief. | Select when lower cost is prioritized over fault resilience in non-critical loads. |
| MCP1700T-2502E/TT | SOT23-3 package, 250mA rating, 1.6µA IQ - ultra-low power but lower current capability. | Insufficient for 300mA peak loads; limited to always-on sensor nodes or RTC backup rails. | Choose only if system load never exceeds 250mA and standby current is the dominant design constraint. |
Compared with AP2202K-2.5TRG1 and MCP1700T-2502E/TT, the AP130-25WL-7 uniquely balances 300mA delivery, 50µA IQ, fold-back protection, and SC59 footprint-making it optimal for mid-power portable peripherals where reliability and board space are both critical.
Availability
AP130-25WL-7 is available at Aetrix Electronics and suitable for battery-powered peripherals, PC card power management, optical drive logic supplies, and wireless baseband subsystems requiring stable component supply with lead-free compliance and green packaging.
Supply support for AP130-25WL-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 manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The AP130 series belongs to Diodes' precision LDO portfolio, engineered specifically for space- and power-constrained portable electronics needing accurate, low-noise, and fault-tolerant voltage regulation.
FAQ
What is the minimum output capacitance required for stability?
The AP130-25WL-7 requires a minimum 10µF low-ESR ceramic or tantalum capacitor from OUT to GND to ensure phase margin and prevent oscillation. This value is validated across temperature and load conditions per DS31027 Rev. 8–2, Section "Functional Descriptions".
Does AP130-25WL-7 support reverse polarity protection?
No. The AP130-25WL-7 lacks integrated reverse-voltage protection; applying negative voltage to IN or OUT relative to GND may damage the PMOS pass device. External protection diodes are required in systems prone to polarity reversal.
Can AP130-25WL-7 operate with input voltage below 2.7V?
No. Absolute minimum input voltage is 2.7V per Recommended Operating Conditions. Operation below this risks regulation failure and is outside guaranteed specification; dropout testing is explicitly skipped below 3V per Note 2 in Electrical Characteristics.
Is thermal shutdown latching or auto-recovering?
Thermal shutdown is non-latching and auto-recovering. Once junction temperature falls below the hysteresis threshold (~115°C), regulation resumes without external reset. This behavior is confirmed in the Functional Block Diagram and Absolute Maximum Ratings section of DS31027.
AP130-25WL-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Cut Tape (CT)
- 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):
- 0.5V @ 300mA
- Current - Output:
- 300mA
- Current - Quiescent (Iq):
- 100 µA
- Current - Supply (Max):
- -
- PSRR:
- 58dB (100Hz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature, Short Circuit
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-59-3
AP130-25WL-7 FAQ
1.How can I place an order for AP130-25WL-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP130-25WL-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 AP130-25WL-7 reliable?
The price and inventory of AP130-25WL-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP130-25WL-7 is usually 5 days.
3.What payment methods are accepted for AP130-25WL-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP130-25WL-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP130-25WL-7?
AP130-25WL-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP130-25WL-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 AP130-25WL-7?
For technical support, including AP130-25WL-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP130-25WL-7 requirements.
6.How does Aetrix verify that AP130-25WL-7 is sourced from the original manufacturer or authorized distributors?
All AP130-25WL-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 AP130-25WL-7 meets industry standards.
7.What is the process for return or replacement of AP130-25WL-7?
All AP130-25WL-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP130-25WL-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 AP130-25WL-7 part is unused and in its original packaging.
Return procedure for AP130-25WL-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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