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Diodes Incorporated AP130-28RL-7
- Part No.:
- AP130-28RL-7
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
AP130-28RL-7.pdf
- Description:
- IC REG LINEAR 2.8V 300MA SC59
- Quantity:
- Payment:
- Shipping:
Inventory:1,290
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Product details
Overview
AP130-28RL-7 from Diodes Incorporated is a fixed 2.8V, 300mA low-dropout linear regulator in SC59R package with 400mV dropout at full load, 50µA quiescent current, and ±2% output voltage accuracy. It integrates PMOS pass element, thermal shutdown, and current-limit protection for battery-powered portable electronics requiring stable low-noise supply under light-to-full load.
For engineers reviewing the AP130-28RL-7 datasheet, AP130-28RL-7 pinout, AP130-28RL-7 application, or AP130-28RL-7 equivalent, key selection criteria include dropout performance at 300mA, SC59R footprint compatibility, thermal resistance (θJA = 250°C/W), load regulation (±40mV), and RoHS-compliant green molding compound.
Technical Context
The AP130-28RL-7 uses an internal PMOS pass transistor with 1.5Ω RON, eliminating base drive current and enabling ultra-low quiescent current (50µA typical). Its error amplifier and bandgap reference deliver fast transient response and tight line regulation (0.3%/V max).
Protection circuitry 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 2.8V ±2% - ensures precise rail generation for 2.8V logic or analog subsystems without external feedback. |
| Max Output Current | 300mA - supports moderate-power microcontrollers, sensors, or RF modules in space-constrained designs. |
| Dropout Voltage | 400mV at 300mA - enables operation down to VIN = 3.2V, critical for single-cell Li-ion or 3.3V system backup rails. |
| Quiescent Current | 50µA typical - minimizes standby power loss in always-on battery applications like remote controls or IoT endpoints. |
| PSRR | 58dB at 100Hz - suppresses low-frequency ripple from switching pre-regulators or noisy DC/DC outputs. |
| Load Regulation | ±40mV (1–300mA) - maintains output stability across dynamic load steps common in digital ICs with burst-mode operation. |
| Thermal Resistance θJA | 250°C/W (SC59R) - defines maximum power dissipation (125mW at ΔT = 31.25°C rise) on standard FR-4 PCB with minimal copper. |
Pinout & Package
AP130-28RL-7 is housed in SC59R package: 3-pin, lead-free, green molding compound, 2.90 × 1.30 × 0.95 mm body, 0.95 mm pitch, top-view marking "H1" per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (GND) | Ground Reference | Return path for internal bias, error amp, and thermal sensor; must connect to low-impedance ground plane. |
| 2 (OUT) | Regulated Output | Delivers stable 2.8V; requires ≥10µF ceramic capacitor to ground for loop stability and transient response. |
| 3 (IN) | Input Supply | Accepts 2.7–5.5V; needs local 1µF bypass capacitor near pin to suppress high-frequency noise and input sag. |
Key Features
| Feature | Design Value |
|---|---|
| PMOS Pass Element | RON = 1.5Ω eliminates base current draw, enabling 50µA IQ independent of load - ideal for battery longevity. |
| Fold-Back Short-Circuit Protection | Limits output current to 150–300mA during fault, reducing power dissipation and preventing thermal runaway. |
| Thermal Shutdown | Activates at TJ ≥ 125°C and auto-recovers after cooldown - protects against sustained overload or poor heatsinking. |
| Green Molding Compound | Halogen-free (no Br/Sb), RoHS-compliant - meets environmental compliance requirements for consumer and industrial end equipment. |
Applications
| Battery-Powered Portable Devices | PC Peripherals |
|---|---|
|
Use Scenario: Powering Bluetooth headsets, wireless mice, or handheld medical monitors operating from single-cell Li-ion (3.0–4.2V). IC Role / Device Role / Timing Role: Primary LDO supplying 2.8V to RF transceiver and MCU core, replacing inefficient resistive or switching solutions. Use Value: 400mV dropout extends usable battery life by enabling operation down to 3.2V input, while 50µA IQ minimizes self-discharge during sleep mode. |
Use Scenario: Providing clean 2.8V rail to USB audio adapters, card readers, or external SSD enclosures. IC Role / Device Role / Timing Role: Post-regulator cleaning noisy 3.3V USB VBUS or DC/DC output for sensitive analog audio circuits. Use Value: 58dB PSRR at 100Hz attenuates switching noise from upstream converters, reducing audible artifacts in DAC output. |
| Wireless Communication Modules | CD/DVD Drive Logic |
|
Use Scenario: Supplying 2.8V to Wi-Fi/BLE SoCs (e.g., ESP32, nRF52) in smart home hubs and gateways. IC Role / Device Role / Timing Role: Local regulation for radio subsystems requiring low-noise, fast-transient response during packet transmission bursts. Use Value: Fast transient response maintains VOUT within ±2% during 100mA step loads, preventing RF lock-up or retransmission errors. |
Use Scenario: Powering servo control ICs and laser diode drivers in optical disc drives where EMI-sensitive analog stages coexist with digital logic. IC Role / Device Role / Timing Role: Dedicated low-noise LDO isolating analog front-end from noisy digital supply domains. Use Value: ±40mV load regulation ensures consistent laser bias current across spin-up/spin-down cycles, improving read/write accuracy. |
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 |
|---|---|---|---|
| MCP1700-2802E/TO | 250mA rated, 175mV dropout at 250mA, 2.5µA IQ - lower power but lower current capability. | Suitable for ultra-low-power sub-200mA sensor nodes; insufficient for 300mA peak loads. | Select when IQ < 5µA is mandatory and load never exceeds 250mA. |
| TPS73128DBVR | 300mA rated, 170mV dropout at 300mA, 400µA IQ - lower dropout but 8× higher quiescent current. | Better for systems with ample input headroom (e.g., 5V rail); less suitable for coin-cell or single-Li-ion use. | Select when minimizing dropout is critical and battery life is secondary to voltage margin. |
Compared with MCP1700-2802E/TO and TPS73128DBVR, AP130-28RL-7 uniquely balances 300mA capability, 400mV dropout, and 50µA IQ in a compact SC59R package - making it optimal for cost-sensitive, battery-operated devices needing both current headroom and standby efficiency.
Availability
AP130-28RL-7 is available at Aetrix Electronics and suitable for battery-powered portable devices, PC peripherals, and wireless communication modules requiring stable component supply with RoHS-compliant packaging and SC59R footprint compatibility.
Supply support for AP130-28RL-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 power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.
The AP130 series belongs to Diodes' precision LDO portfolio, designed specifically for space-constrained, battery-sensitive applications demanding low dropout, ultra-low IQ, and robust fault protection in lead-free packages.
FAQ
What is the minimum output capacitor required for AP130-28RL-7 stability?
The AP130-28RL-7 requires a minimum 10µF ceramic capacitor from OUT to GND to ensure phase margin and prevent oscillation. This value is specified in the Functional Descriptions section of DS31027 Rev. 8-2 and validated across temperature and load conditions. Using less capacitance risks instability, especially under fast load transients.
Does AP130-28RL-7 support reverse polarity protection?
No, AP130-28RL-7 does not include reverse polarity protection. Applying negative voltage to IN or OUT relative to GND may damage the internal PMOS pass element and bandgap circuitry. External protection diodes or MOSFET-based reverse-voltage circuits must be added if system-level reverse input is possible.
Can AP130-28RL-7 operate with an input voltage below 2.7V?
No - the absolute minimum input voltage is 2.7V per Recommended Operating Conditions. Below this, regulation is not guaranteed, and dropout behavior becomes undefined. At VIN = 2.6V, output may drop out of specification even at light loads, and internal bias circuits may cease functioning reliably.
Is the SC59R package thermally enhanced compared to SC59?
No - both SC59 and SC59R share identical thermal resistance: θJA = 250°C/W and θJC = 79°C/W under the same test conditions (FR-4 board, 1×MRP, 2oz copper). The "R" suffix denotes reversed pinout (GND/OUT/IN vs. IN/OUT/GND), not thermal improvement.
AP130-28RL-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):
- 2.8V
- 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
AP130-28RL-7 FAQ
1.How can I place an order for AP130-28RL-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP130-28RL-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 AP130-28RL-7 reliable?
The price and inventory of AP130-28RL-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP130-28RL-7 is usually 5 days.
3.What payment methods are accepted for AP130-28RL-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP130-28RL-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP130-28RL-7?
AP130-28RL-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP130-28RL-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 AP130-28RL-7?
For technical support, including AP130-28RL-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP130-28RL-7 requirements.
6.How does Aetrix verify that AP130-28RL-7 is sourced from the original manufacturer or authorized distributors?
All AP130-28RL-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 AP130-28RL-7 meets industry standards.
7.What is the process for return or replacement of AP130-28RL-7?
All AP130-28RL-7 units undergo pre-shipment inspection (PSI). If there is an issue with AP130-28RL-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 AP130-28RL-7 part is unused and in its original packaging.
Return procedure for AP130-28RL-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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