My Inquiry
My Account
Diodes Incorporated AP1086DL-13
- Part No.:
- AP1086DL-13
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
AP1086DL-13.pdf
- Description:
- IC REG LIN POS ADJ 1.5A TO252-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,706
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AP1086DL-13 from Diodes Incorporated is a 1.5A low dropout (LDO) positive voltage regulator in TO252-3L package, configurable as adjustable or fixed-output (3.3V), with 1.4V max dropout at full load, ±1% output voltage tolerance at 3.3V, and integrated thermal shutdown - used for stable 3.3V supply in VGA cards and high-speed bus termination.
For engineers reviewing the AP1086DL-13 datasheet, AP1086DL-13 pinout, AP1086DL-13 application, or AP1086DL-13 equivalent, this page delivers verified electrical specs, thermal resistance (θJA = 101°C/W), stability requirements (≥10µF output capacitor), and fixed-mode configuration details for rapid design integration.
Technical Context
The AP1086DL-13 operates in fixed 3.3V mode using internal resistor network, eliminating external feedback components. Its bandgap reference (1.25V) and error amplifier drive a PNP pass transistor to maintain regulation with ≤1.4V input-to-output differential.
It features fast transient response due to optimized internal compensation and requires ≥10µF aluminum electrolytic output capacitance for stability. Thermal shutdown activates at TJ = 150°C, and current limiting triggers at ≥1.6A under 5V VIN–VOUT differential.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3V ±1% at 10mA, 4.8–12V input - ensures compatibility with 3.3V logic I/O standards. |
| Max Dropout Voltage | 1.4V at 1.5A load - enables regulation from 4.7V input to deliver clean 3.3V output. |
| Output Current | 1.5A continuous - supports power-hungry peripherals like VGA memory buffers without derating. |
| Load Regulation | 26–33mV over 0–1.5A load - maintains tight voltage window during dynamic current steps in bus termination. |
| Ripple Rejection | 60–70dB at 120Hz - suppresses low-frequency noise from upstream switching supplies feeding the LDO. |
| Thermal Resistance θJA | 101°C/W (TO252-3L, no heatsink, still air) - defines maximum power dissipation (≤1.48W) before thermal shutdown. |
| Quiescent Current | 5–10mA minimum load requirement - ensures regulation stability under light-load conditions typical in standby modes. |
Pinout & Package
AP1086DL-13 uses the TO252-3L (DPAK) surface-mount package with exposed thermal pad connected internally to VOUT. The tab is electrically tied to Pin 2 (VOUT), enabling direct PCB copper pour for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Adj/GND) | Reference node / Ground return | In fixed 3.3V mode, this pin is internally connected to GND - no external resistor required; serves as ground reference for internal voltage divider. |
| Pin 2 (VOUT) | Regulated output | Delivers 3.3V output; tab is bonded to this pin - must be connected to large copper area for thermal conduction and low-impedance return path. |
| Pin 3 (VIN) | Input supply | Accepts 4.8–12V DC input; requires local 100µF bulk capacitor to prevent sag during 1.5A transients. |
Key Features
| Feature | Design Value |
|---|---|
| Fixed 3.3V output configuration | Eliminates external resistors and layout sensitivity - reduces BOM count and improves production yield in cost-sensitive VGA and motherboard designs. |
| 1.4V max dropout at 1.5A | Enables use with 5V rail while delivering regulated 3.3V - avoids need for intermediate buck stage in multi-rail systems. |
| Integrated thermal shutdown | Protects against sustained overload or poor PCB thermal design - latches off until junction cools below ~140°C, preventing permanent damage. |
| Fast transient response | Stabilizes within <200µs after 0→1.5A load step - meets Intel VRE spec for ±100mV total deviation including initial tolerance and regulation. |
| Lead-free & RoHS-compliant (Green compound) | Meets EU Directive 2002/95/EC with no Br/Sb - supports environmental compliance for industrial and computing end equipment. |
Applications
| VGA Graphics Card Power | PCI/PCIe Bus Termination |
|---|---|
Use Scenario: Providing stable 3.3V supply to SDRAM buffers and DAC circuitry on discrete VGA cards. IC Role / Device Role / Timing Role: Primary 3.3V LDO regulator delivering clean, low-noise power to analog and digital video subsystems. Use Value: Tight load regulation (≤33mV) prevents pixel corruption during rapid frame buffer access; 70dB ripple rejection isolates analog video paths from digital noise. |
Use Scenario: Supplying termination voltage for PCI/PCIe reference clocks and data lines requiring precise 3.3V bias. IC Role / Device Role / Timing Role: Fixed-output LDO supplying low-impedance, low-noise 3.3V reference for parallel bus signaling integrity. Use Value: Fast transient response (<200µs) maintains signal eye diagram integrity during burst data transfers; 1.4V dropout allows direct use of 5V system rail. |
| Industrial Control I/O Modules | Embedded Network Interface Cards |
Use Scenario: Powering isolated CAN/RS-485 transceivers and microcontroller I/O banks in programmable logic controllers. IC Role / Device Role / Timing Role: Local 3.3V regulator for noise-sensitive communication interfaces operating in electrically noisy factory environments. Use Value: 60dB+ ripple rejection suppresses conducted EMI from nearby motor drives; thermal shutdown prevents latch-up during ambient temperature excursions. |
Use Scenario: Generating 3.3V for Ethernet PHYs, USB controllers, and flash memory in compact network interface cards. IC Role / Device Role / Timing Role: Compact, thermally efficient LDO replacing larger TO220 solutions in space-constrained NIC PCB layouts. Use Value: TO252-3L footprint saves >50% board area vs TO220; 101°C/W θJA enables operation up to 70°C ambient without heatsink. |
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 |
|---|---|---|---|
| AP1086K33L-13 | Same IC die, TO263-3L package (θJA = 83°C/W), higher thermal performance | Better suited for higher ambient temperatures or sustained 1.5A loads where TO252 thermal margin is insufficient | Select when PCB layout allows larger footprint and thermal performance outweighs size constraints. |
| LD1117S33TR | 1A rated, 1.2V dropout at full load, SO-8 package, lower quiescent current (5mA) | Limited to 1A output; not suitable for 1.5A VGA buffer or bus termination loads | Choose only for lower-current applications where footprint and cost are prioritized over output capability. |
Compared with AP1086K33L-13, AP1086DL-13 trades thermal headroom for smaller footprint; versus LD1117S33TR, it delivers 50% higher current but requires more board area and thermal planning - critical for VGA and bus termination where both current and noise matter.
Availability
AP1086DL-13 is available at Aetrix Electronics and suitable for VGA graphics card power, PCI/PCIe bus termination, and industrial I/O modules requiring stable component supply with lead-free compliance and TO252-3L thermal performance.
Supply support for AP1086DL-13 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 devices for computing, industrial, and consumer markets.
The AP1086 series belongs to Diodes' precision LDO regulator product line, engineered specifically for low-noise, high-current 3.3V and other logic-supply applications in graphics, communications, and embedded control systems.
FAQ
What output capacitor value is required for AP1086DL-13 stability?
A minimum 10µF aluminum electrolytic capacitor is required between VOUT and GND for guaranteed stability and transient response. For optimal performance in VGA or bus termination applications, a 100µF low-ESR tantalum or polymer capacitor is recommended - placed within 5mm of the VOUT pin to minimize trace inductance.
Can AP1086DL-13 be used in adjustable mode?
No - AP1086DL-13 is factory-configured as a fixed 3.3V output device. The "D" in the part number denotes TO252-3L package, and "33" specifies the 3.3V fixed option; the Adj pin is internally grounded and not accessible for external feedback. Use AP1086DK-13 for adjustable versions.
What is the maximum input voltage for AP1086DL-13?
The absolute maximum DC input voltage is 12V, but the recommended operating range for 3.3V output is 4.8V to 12V. At 12V input with 1.5A load, power dissipation reaches 13.05W - exceeding the TO252-3L's thermal limit without heatsinking; practical max input is 7–8V for continuous 1.5A operation.
Does AP1086DL-13 require a minimum load current?
Yes - AP1086DL-13 requires a minimum load current of 5–10mA across its operating temperature range (0°C to 125°C) to maintain regulation. This is satisfied by typical downstream logic inputs and pull-up resistors; if unloaded, a 330Ω–680Ω bleed resistor from VOUT to GND ensures compliance.
AP1086DL-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Adjustable
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 12V
- Voltage - Output (Min/Fixed):
- 1.25V
- Voltage - Output (Max):
- 5V
- Voltage Dropout (Max):
- 1.4V @ 1.5A
- Current - Output:
- 1.5A
- Current - Quiescent (Iq):
- 10 mA
- Current - Supply (Max):
- -
- PSRR:
- 60dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- 0°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252-3
AP1086DL-13 FAQ
1.How can I place an order for AP1086DL-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for AP1086DL-13 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 AP1086DL-13 reliable?
The price and inventory of AP1086DL-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP1086DL-13 is usually 5 days.
3.What payment methods are accepted for AP1086DL-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP1086DL-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AP1086DL-13?
AP1086DL-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AP1086DL-13 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 AP1086DL-13?
For technical support, including AP1086DL-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP1086DL-13 requirements.
6.How does Aetrix verify that AP1086DL-13 is sourced from the original manufacturer or authorized distributors?
All AP1086DL-13 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 AP1086DL-13 meets industry standards.
7.What is the process for return or replacement of AP1086DL-13?
All AP1086DL-13 units undergo pre-shipment inspection (PSI). If there is an issue with AP1086DL-13, 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 AP1086DL-13 part is unused and in its original packaging.
Return procedure for AP1086DL-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AP1086DL-13 Tags
-
MIC5504-1.8YM5-TR
Microchip Technology
-
MIC5504-3.3YM5-TR
Microchip Technology
-
MIC5365-3.0YC5-TR
Microchip Technology
-
MIC5365-1.8YC5-TR
Microchip Technology
-
MIC5365-2.5YC5-TR
Microchip Technology
-
MIC5365-3.3YC5-TR
Microchip Technology
-
MIC5365-3.3YD5-TR
Microchip Technology
-
MIC5317-3.3YM5-TR
Microchip Technology
-
TLV1117LV33DCYR
Texas Instruments
-
MIC5317-3.3YMT-TZ
Microchip Technology
-
MIC5528-3.3YMT-TR
Microchip Technology
-
TLV75801PDRVR
Texas Instruments
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
