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Diodes Incorporated AP130-35WL-7
- Part No.:
- AP130-35WL-7
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
AP130-35WL-7.pdf
- Description:
- IC REG LINEAR 3.5V 300MA SC59-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,043
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Product details
Overview
AP130-35WL-7 from Diodes Incorporated is a 300mA fixed-output 3.5V low-dropout linear regulator in SC59 package, featuring 400mV dropout at full load, ±2% output accuracy, 50µA quiescent current, and integrated thermal shutdown and current-limit protection. It serves as a primary voltage rail regulator in space-constrained, battery-powered systems requiring stable low-noise DC supply.
For engineers reviewing the AP130-35WL-7 datasheet, AP130-35WL-7 pinout, AP130-35WL-7 application, or AP130-35WL-7 equivalent, key selection criteria include dropout performance at 300mA, SC59 footprint compatibility, 3.5V output tolerance, thermal resistance (θJA = 250°C/W), and RoHS-compliant lead-free construction.
Technical Context
The AP130-35WL-7 uses a PMOS pass element with 1.5Ω RON, eliminating base drive current and enabling ultra-low quiescent current (50µA typical). Its bandgap-referenced error amplifier delivers fast transient response and tight load regulation (±40mV over 1–300mA).
Internal protection includes fold-back short-circuit current limiting (150–300mA) and thermal shutdown triggered at TJ ≥ 125°C. The device requires a minimum 10µF output capacitor for stability and operates across –40°C to +85°C ambient temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.5V ±2% - ensures compatible logic-level supply for 3.3V/3.5V I/O domains without external feedback. |
| Max Output Current | 300mA - supports moderate-power peripherals like USB PHYs, SD card interfaces, or sensor hubs. |
| Dropout Voltage | 400mV at 300mA - enables operation down to 3.9V input, critical for single-cell Li-ion (3.0–4.2V) or 4.0V system rails. |
| Quiescent Current | 50µA typical - minimizes standby power loss in always-on battery applications such as remote sensors or BLE modules. |
| PSRR | 58dB at 100Hz - suppresses low-frequency ripple from switching pre-regulators or noisy DC-DC outputs. |
| Thermal Resistance θJA | 250°C/W (SC59) - defines maximum power dissipation (≈360mW at ΔT=90°C) before thermal shutdown activates. |
| Protection Features | Current limit + thermal shutdown + short-circuit fold-back - prevents latch-up or permanent damage during overload or PCB fault conditions. |
Pinout & Package
AP130-35WL-7 is housed in the SC59 surface-mount package (2.90 × 1.30 × 0.95 mm), optimized for high-density PCB layouts and reflow-compatible assembly. Pin configuration follows standard top-view orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input Power Supply | Accepts 2.7–5.5V DC input; requires local 1µF ceramic decoupling to reduce high-frequency noise injection. |
| 2 (OUT) | Regulated Output | Delivers stable 3.5V ±2%; must be bypassed with ≥10µF low-ESR capacitor to ensure loop stability and transient response. |
| 3 (GND) | Analog/Digital Ground Reference | Single ground terminal shared by error amplifier, bandgap, and pass transistor; requires low-impedance connection to PCB ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| PMOS Pass Element | RON = 1.5Ω eliminates base current draw, enabling true 50µA IQ independent of load - essential for battery runtime extension. |
| Fast Transient Response | Stabilizes within <10µs after 100mA load step - maintains voltage integrity for burst-mode digital loads (e.g., MCU wake-up events). |
| Load Regulation | ±40mV over 1–300mA - ensures consistent 3.5V rail under dynamic current demand without external compensation. |
| Green Molding Compound | Halogen-free (no Br/Sb) - meets IPC-1752A material declaration requirements for environmentally regulated industrial and telecom equipment. |
| RoHS Compliance | Lead-free finish per EU Directive 2002/95/EC - supports global manufacturing compliance without solderability trade-offs. |
Applications
| Wireless Sensor Node | USB Peripheral Controller |
|---|---|
Use Scenario: Sub-1W IoT node powered by CR2032 or single-cell Li-ion, operating in sleep/active cycles with RF transceiver bursts. IC Role / Device Role / Timing Role: Primary 3.5V LDO supplying RF SoC core and analog front-end; replaces inefficient resistive or switching solutions where EMI sensitivity exists. Use Value: 50µA quiescent current extends shelf life >5 years on coin cell; 400mV dropout allows full utilization of Li-ion discharge curve down to 3.9V. |
Use Scenario: External USB 2.0 hub or HID device (keyboard/mouse) drawing up to 250mA peak from host VBUS. IC Role / Device Role / Timing Role: Local 3.5V rail generator for USB PHY and microcontroller I/O banks; decouples digital noise from upstream 5V supply. Use Value: 58dB PSRR at 100Hz attenuates VBUS ripple from host switcher; ±2% accuracy guarantees USB signaling margin compliance. |
| Industrial Data Logger | Optical Drive Power Management |
Use Scenario: Battery-backed data acquisition module logging temperature/humidity via SPI sensors in unattended field deployments. IC Role / Device Role / Timing Role: Stable 3.5V reference for precision ADC and sensor biasing; co-located with low-noise analog circuitry. Use Value: Low output noise and tight load regulation (±40mV) prevent measurement drift during sensor sampling bursts. |
Use Scenario: CD-ROM or DVD-ROM drive requiring clean 3.5V for laser diode driver and spindle motor control logic. IC Role / Device Role / Timing Role: Secondary LDO post-regulator downstream of main 5V DC-DC converter; isolates sensitive analog timing circuits. Use Value: Thermal shutdown prevents latch-up during mechanical stall events; SC59 footprint fits tight optical sled layout constraints. |
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 |
|---|---|---|---|
| MCP1700-3502E/TO (Microchip) | 250mA max output, 175mV dropout at 250mA, SOT23-3 package, 3µA IQ | Limited to lower current; better for ultra-low-IQ designs but insufficient for 300mA peak loads | Select when IQ <10µA is mandatory and load never exceeds 250mA |
| TPS73035DBVR (TI) | 200mA max output, 120mV dropout at 200mA, SOT23-5 package, 220µA IQ, enable pin | Lower dropout but reduced current rating and higher IQ; includes active-high enable for sequencing | Choose when system-level power sequencing is required and 200mA suffices |
Compared with MCP1700-3502E/TO and TPS73035DBVR, AP130-35WL-7 uniquely balances 300mA capability, 400mV dropout, and 50µA IQ in a compact SC59 package-making it optimal for cost-sensitive, medium-current battery-powered applications where thermal headroom and footprint size are constrained.
Availability
AP130-35WL-7 is available at Aetrix Electronics and suitable for wireless sensor nodes, USB peripheral controllers, and industrial data loggers requiring stable component supply, long-lifecycle availability, and RoHS-compliant sourcing.
Supply support for AP130-35WL-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' LDO voltage regulator product line, engineered specifically for space-constrained, battery-operated devices demanding low dropout, ultra-low quiescent current, and robust fault protection without external components.
FAQ
What is the minimum input voltage required for AP130-35WL-7 to maintain regulation at 300mA?
The AP130-35WL-7 requires VIN ≥ VOUT + VDROP = 3.5V + 0.4V = 3.9V to sustain 300mA output while maintaining ±2% regulation. Below 3.9V, output voltage drops linearly with input; operation below 2.7V is outside absolute maximum ratings and not functional.
Can AP130-35WL-7 be used without an output capacitor?
No. A minimum 10µF low-ESR output capacitor is mandatory for stability, as confirmed in the datasheet's Functional Descriptions section. Omitting it causes oscillation and potential damage due to phase margin loss in the internal control loop.
Does AP130-35WL-7 support reverse polarity or reverse current protection?
No. The AP130-35WL-7 lacks built-in reverse-voltage or reverse-current blocking. If input can be reversed or back-driven, an external Schottky diode (anode to IN, cathode to OUT) or PMOS FET must be added per Diodes' application guidance in AN117.
Is the SC59 package of AP130-35WL-7 compatible with standard SOT23-3 footprints?
No. SC59 has 2.90mm × 1.30mm body dimensions and 0.95mm height, differing from SOT23-3 (2.92mm × 1.30mm × 1.15mm); pad layout and thermal pad requirements are distinct. Use Diodes' recommended land pattern AP02001 to avoid solder joint reliability issues.
AP130-35WL-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 3.5V
- 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
AP130-35WL-7 FAQ
1.How can I place an order for AP130-35WL-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP130-35WL-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 AP130-35WL-7 reliable?
The price and inventory of AP130-35WL-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP130-35WL-7 is usually 5 days.
3.What payment methods are accepted for AP130-35WL-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP130-35WL-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP130-35WL-7?
AP130-35WL-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP130-35WL-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 AP130-35WL-7?
For technical support, including AP130-35WL-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP130-35WL-7 requirements.
6.How does Aetrix verify that AP130-35WL-7 is sourced from the original manufacturer or authorized distributors?
All AP130-35WL-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 AP130-35WL-7 meets industry standards.
7.What is the process for return or replacement of AP130-35WL-7?
All AP130-35WL-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP130-35WL-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 AP130-35WL-7 part is unused and in its original packaging.
Return procedure for AP130-35WL-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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