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Diodes Incorporated AP130-33RL-7
- Part No.:
- AP130-33RL-7
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
AP130-33RL-7.pdf
- Description:
- IC REG LINEAR 3.3V 300MA SC59
- Quantity:
- Payment:
- Shipping:
Inventory:3,454
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Product details
Overview
AP130-33RL-7 from Diodes Incorporated is a 300mA fixed-output 3.3V low-dropout linear regulator in SC59R 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 AP130-33RL-7 datasheet, AP130-33RL-7 pinout, AP130-33RL-7 application, or AP130-33RL-7 equivalent, key selection criteria include dropout performance under 300mA load, SC59R footprint compatibility, thermal resistance (250°C/W), fast transient response, and RoHS-compliant green packaging.
Technical Context
The AP130-33RL-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 (0.1–0.3%/V) and load (30–40mV) variations.
Protection circuitry includes fold-back current limiting (150–300mA short-circuit current) and thermal shutdown triggered above +125°C junction temperature. Input voltage range is strictly 2.7V to 5.5V, with absolute maximum rating of +6V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3V ±2% - ensures stable logic-level supply for 3.3V microcontrollers and I/O interfaces |
| Max Output Current | 300mA continuous - supports moderate-power peripherals like USB transceivers or sensor modules |
| Dropout Voltage | 400mV typ. at 300mA - enables operation down to 3.7V input, suitable for single-cell Li-ion or dual-cell alkaline systems |
| Quiescent Current | 50µA typ. at zero load - minimizes standby power loss in always-on battery applications |
| PSRR | 58dB at 100Hz - suppresses ripple from noisy switchers or shared DC rails feeding sensitive analog circuits |
| Thermal Resistance θJA | 250°C/W (SC59R) - requires minimal PCB copper area for thermal management in space-constrained layouts |
| Line Regulation | 0.1–0.3%/V - maintains tight output stability across input voltage sag during battery discharge |
Pinout & Package
AP130-33RL-7 is housed in SC59R package: 3-pin SOT-23 variant with reversed pinout (GND–OUT–IN, top view). This layout simplifies PCB routing in high-density designs where ground plane access is prioritized.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Ground reference for error amplifier and thermal shutdown comparator; must connect to low-impedance system ground plane |
| 2 | OUT | Regulated 3.3V output; requires ≥10µF ceramic capacitor to ground for loop stability and transient response |
| 3 | IN | Input supply (2.7–5.5V); needs local 1µF bypass capacitor to reduce high-frequency noise coupling into regulation loop |
Key Features
| Feature | Design Value |
|---|---|
| PMOS Pass Element | Zero gate drive current eliminates base-current dependency, enabling ultra-low IQ independent of load |
| Fold-Back Current Limit | Reduces short-circuit power dissipation by lowering output current as VOUT collapses, protecting die during fault conditions |
| Thermal Shutdown | Activates at TJ > +125°C and holds until junction cools by ≥15°C, preventing permanent damage during sustained overload |
| Green Molding Compound | Halogen-free, Br/Sb-free epoxy meets environmental compliance without sacrificing thermal or mechanical reliability |
| Fast Transient Response | Maintains <±20mV output deviation during 100mA step load changes due to optimized internal compensation |
Applications
| Wireless Communication Module | PC Peripheral Card |
|---|---|
Use Scenario: Powering 3.3V RF transceiver ICs (e.g., Bluetooth LE SoCs) in compact IoT edge nodes with coin-cell or Li-ion input. IC Role / Device Role / Timing Role: Primary voltage regulator delivering clean, low-noise 3.3V rail with fast load-step recovery to maintain RF signal integrity. Use Value: 50µA quiescent current extends battery life beyond 5 years in sleep-dominated duty cycles; 400mV dropout enables full-load operation down to 3.7V. |
Use Scenario: Supplying 3.3V logic and interface circuitry on PCIe add-in cards such as USB 3.0 hubs or SATA controllers. IC Role / Device Role / Timing Role: Local point-of-load regulator decoupling main 5V rail, rejecting switching noise from upstream DC/DC converters. Use Value: 58dB PSRR at 100Hz attenuates ripple from 5V buck converter, preventing data corruption in high-speed serial links. |
| Battery-Powered Diagnostic Tool | Optical Drive Controller Board |
Use Scenario: Regulating 3.3V for microcontroller, display driver, and sensor interface in handheld medical or industrial test equipment. IC Role / Device Role / Timing Role: Main system regulator ensuring stable supply during intermittent high-current actuation (e.g., buzzer, LED flash). Use Value: Fold-back current limit prevents thermal runaway during accidental short-circuit on sensor cables; ±2% accuracy guarantees ADC reference stability. |
Use Scenario: Providing 3.3V bias to servo motor drivers and laser diode control ICs in CD-ROM/DVD optical pickup assemblies. IC Role / Device Role / Timing Role: Low-noise analog supply regulator isolating precision analog stages from digital switching noise. Use Value: 30–40mV load regulation ensures consistent laser bias current across varying disc rotation speeds and motor loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-3302E/TT (Microchip) | 250mA max output, 175mV dropout at 250mA, 1.6µA IQ - lower current, much lower IQ, but higher dropout sensitivity | Suitable only for sub-250mA loads; insufficient for 300mA peak demands in USB or motor drivers | Select when ultra-low standby power dominates over output current capability |
| TPS73033DBVR (TI) | 200mA max output, 110mV dropout at 200mA, 330µA IQ - lower dropout but higher quiescent current and reduced current rating | Not viable for sustained 300mA loads; thermal derating begins below 200mA in SC59R footprint | Prefer only if input voltage is tightly regulated >3.4V and 330µA IQ is acceptable |
Compared with MCP1700T-3302E/TT and TPS73033DBVR, AP130-33RL-7 uniquely balances 300mA delivery, 400mV dropout, and 50µA IQ in a legacy-compatible SC59R package-making it optimal for cost-sensitive, battery-operated peripherals where full-rated current and low standby loss are both mandatory.
Availability
AP130-33RL-7 is available at Aetrix Electronics and suitable for wireless communication modules, PC peripheral cards, and battery-powered diagnostic tools requiring stable component supply with long-term lifecycle assurance.
Supply support for AP130-33RL-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' general-purpose LDO portfolio, engineered for cost-effective, robust voltage regulation in battery-powered and space-constrained applications where low IQ and fault resilience are critical.
FAQ
What is the minimum input voltage required for AP130-33RL-7 to maintain regulation at 300mA?
The minimum input voltage is calculated as VOUT + VDROP = 3.3V + 0.4V = 3.7V. At 300mA load and 25°C ambient, the device sustains regulation down to 3.7V input. Below this, output voltage drops linearly with input; operation below 2.7V is prohibited per absolute maximum ratings.
Can AP130-33RL-7 be used without an output capacitor?
No. A minimum 10µF ceramic capacitor is mandatory between OUT and GND to ensure loop stability and prevent oscillation. Omitting it causes severe overshoot/undershoot during load transients and may trigger thermal shutdown under dynamic conditions.
Does AP130-33RL-7 support reverse-voltage protection?
No. The device lacks intrinsic reverse-battery or reverse-polarity protection. Applying negative voltage to IN or OUT relative to GND exceeds absolute maximum ratings and risks permanent damage. External protection diodes are required in systems prone to polarity reversal.
How does thermal shutdown behave during continuous overload?
When junction temperature exceeds +125°C, thermal shutdown disables the pass element, dropping output to near-zero. The device remains latched off until TJ falls by ≥15°C (typically ~10–30 seconds depending on PCB thermal mass), then automatically resumes regulation without external reset.
AP130-33RL-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):
- 3.3V
- 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-59R
AP130-33RL-7 FAQ
1.How can I place an order for AP130-33RL-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP130-33RL-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 AP130-33RL-7 reliable?
The price and inventory of AP130-33RL-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP130-33RL-7 is usually 5 days.
3.What payment methods are accepted for AP130-33RL-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP130-33RL-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP130-33RL-7?
AP130-33RL-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP130-33RL-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 AP130-33RL-7?
For technical support, including AP130-33RL-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP130-33RL-7 requirements.
6.How does Aetrix verify that AP130-33RL-7 is sourced from the original manufacturer or authorized distributors?
All AP130-33RL-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 AP130-33RL-7 meets industry standards.
7.What is the process for return or replacement of AP130-33RL-7?
All AP130-33RL-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP130-33RL-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 AP130-33RL-7 part is unused and in its original packaging.
Return procedure for AP130-33RL-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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