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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Diodes Incorporated AP7361-10D-13

Name: AP7361-10D-13
Brand: Diodes Incorporated
SKU: AP7361-10D-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AP7361-10D-13

Manufacturer:: Diodes Incorporated

Category:: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Datasheet:: AP7361-10D-13.pdf

Description:: IC REG LINEAR 1V 1A TO252

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Product details

Overview

AP7361-10D-13 from Diodes Incorporated is a 1A fixed-output (1.0V), ultra-low dropout linear regulator in TO252 package with enable control, 70µA quiescent current, and thermal shutdown protection-designed for FPGA I/O rails, laptop core power, and battery-powered audio systems.

For engineers reviewing the AP7361-10D-13 datasheet, AP7361-10D-13 pinout, AP7361-10D-13 application, or AP7361-10D-13 equivalent, key selection criteria include dropout voltage at 1A load (500mV), ±1% output accuracy over temperature, EN logic thresholds (VIH = 1.0V, VIL = 0.3V), and stability with ≥2.2µF ceramic output capacitance.

Technical Context

The AP7361-10D-13 implements a PMOS pass transistor architecture enabling 500mV dropout at full 1A load and 150mV at 300mA, with internal 0.8V bandgap reference and error amplifier for precise regulation. Its enable circuitry accepts TTL/CMOS-compatible logic levels and draws only 0.05µA in shutdown mode.

Thermal protection triggers at +150°C junction temperature with 20°C hysteresis, while current limiting activates at 1.1–1.5A and short-circuit protection clamps output to ~200mA. PSRR reaches 65dB at 1kHz and 45dB at 10kHz under 100mA load.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Voltage	Fixed 1.0V ±1% at 100mA, -40°C to +85°C ambient
Max Output Current	1.0A continuous; current limit 1.1–1.5A prevents damage during overload
Dropout Voltage	500mV at 1A load-enables operation with VIN as low as 1.5V for 1.0V output
Quiescent Current	70µA typical enabled; enables >1000-hour battery life in always-on sensor nodes
PSRR	65dB @ 1kHz-suppresses switching noise from upstream DC/DC converters
EN Logic Thresholds	VIL ≤ 0.3V, VIH ≥ 1.0V-compatible with 1.8V/3.3V GPIO without level shifters
Thermal Shutdown	Triggers at +150°C junction; 20°C hysteresis prevents oscillation near limit

Pinout & Package

AP7361-10D-13 uses TO252 (DPAK) package with exposed thermal pad. Pin 1: IN, Pin 2: GND, Pin 3: OUT. No ADJ or EN pins-this variant is fixed-output and non-enable; EN functionality is absent per package-specific configuration.

Pin/Terminal	Circuit Role	Design Meaning
IN (Pin 1)	Input supply connection	Requires ≥1µF ceramic bypass capacitor close to pin; max 6.5V absolute rating
GND (Pin 2)	Power ground reference	Must connect to low-impedance PCB ground plane; ties internal thermal pad
OUT (Pin 3)	Regulated output	Stable with ≥2.2µF ceramic cap; supports fast load transients up to 1A step

Key Features

Feature	Design Value
Ultra-low dropout	500mV at 1A ensures usable headroom in 1.8V–3.3V input systems powering 1.0V rails
Low quiescent current	70µA enables micropower operation in battery-backed real-time clocks and IoT sleep modes
High PSRR	65dB at 1kHz rejects ripple from noisy switchers feeding intermediate supply rails
Thermal & current protection	Integrated shutdown at +150°C and 1.1A current limit prevent field failures in enclosed enclosures
Ceramic capacitor stable	Works with ≥2.2µF, 10–300mΩ ESR ceramics-eliminates costly tantalum or electrolytic caps

Applications

FPGA I/O Power

Laptop Core Voltage Rail

Use Scenario: Supplying configurable I/O banks on Xilinx Artix-7 or Intel Cyclone V FPGAs requiring clean 1.0V at up to 800mA.

IC Role / Device Role / Timing Role: Primary LDO delivering regulated 1.0V to FPGA I/O VCCIO pins with fast transient response to logic switching.

Use Value: 200µs startup time and 45dB PSRR at 10kHz suppress noise coupling into high-speed SerDes lanes.

Use Scenario: Providing auxiliary 1.0V rail for embedded controller subsystems in ultrabooks with shared 3.3V intermediate bus.

IC Role / Device Role / Timing Role: Secondary LDO generating isolated 1.0V for EC firmware execution and keyboard backlight control.

Use Value: 70µA IQ extends battery runtime during suspend-to-RAM states without compromising wake latency.

Battery-Powered Audio DAC

Industrial Sensor Node MCU Core

Use Scenario: Powering AK4490EQ stereo DAC analog core in portable headphone amplifiers powered by single-cell Li-ion (3.0–4.2V).

IC Role / Device Role / Timing Role: Low-noise analog supply LDO decoupling DAC reference and output stage from digital switching noise.

Use Value: 65dB PSRR at 1kHz prevents audible switching artifacts in 24-bit/192kHz playback.

Use Scenario: Supplying 1.0V core voltage to STM32L4+ series MCUs in wireless vibration sensors operating on AA batteries for 5+ years.

IC Role / Device Role / Timing Role: Primary core regulator enabling sub-100µA active-mode current and <1µA deep-sleep current.

Use Value: 500mV dropout allows operation down to 1.5V input-extending usable battery range by 12% vs. legacy 600mV-dropout LDOs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar fixed-output LDO applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MCP1703T-1002E/MB	250mV dropout at 250mA; 1.8–16V input; no thermal shutdown	Suitable for higher-input industrial sensors but lacks fault protection for consumer portables	Select when input exceeds 6V and thermal robustness is secondary to cost
Torex XC6210B102MR-G	120mV dropout at 100mA; 100mA max output; 1.0V fixed; SOT23-5	Targeted for ultra-low-power microcontrollers-not viable for 1A FPGA I/O loads	Choose only for space-constrained sub-100mA applications where 500mV dropout margin is acceptable

Compared with MCP1703T-1002E/MB and XC6210B102MR-G, AP7361-10D-13 uniquely delivers 1A output with integrated thermal/current protection in TO252-making it the sole option among the three for thermally demanding, high-current 1.0V rails.

Availability

AP7361-10D-13 is available at Aetrix Electronics and suitable for FPGA power delivery, laptop subsystems, battery-powered audio devices, and industrial sensor nodes requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for AP7361-10D-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 semiconductor company specializing in discrete, analog, and mixed-signal solutions for power management, signal integrity, and connectivity applications.

The AP7361 product line delivers high-current, low-dropout regulators optimized for portable computing, audio/video systems, and battery-operated equipment where efficiency, thermal reliability, and small footprint are critical.

FAQ

What is the maximum input voltage for AP7361-10D-13?

The absolute maximum input voltage is 6.5V, but recommended operating range is 2.2V to 6.0V. Exceeding 6.5V risks permanent damage per Absolute Maximum Ratings. For reliable 1.0V output, minimum input must be ≥1.5V due to 500mV dropout at 1A load.

Does AP7361-10D-13 have an enable pin?

No. The AP7361-10D-13 variant uses TO252 package and fixed 1.0V output-EN functionality is omitted per package-specific configuration. Enable is only present in U-DFN3030-8, SOT89-5, and SO-8EP versions of AP7361.

Can AP7361-10D-13 operate without an output capacitor?

No. A minimum 2.2µF ceramic output capacitor with 10–300mΩ ESR is required for stability and transient response. Omitting it causes oscillation and potential device failure. Input capacitor (≥1µF ceramic) is also mandatory for noise suppression.

What thermal considerations apply to AP7361-10D-13 in TO252 package?

TO252 has θJA = 95°C/W. At 1A load with 3.3V input and 1.0V output (2.3W dissipation), junction rise is ~219°C-exceeding safe limits. Derating is essential: max 500mA at 3.3V input or use thermal vias and 2oz copper pour to reduce θJA below 60°C/W for full 1A operation.

AP7361-10D-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-252-3, DPAK (2 Leads + Tab), SC-63

Packaging:: Tape & Reel (TR)

Product Status:: Active

Output Configuration:: Positive

Output Type:: Fixed

Number of Regulators:: 1

Voltage - Input (Max):: 6V

Voltage - Output (Min/Fixed):: 1V

Voltage - Output (Max):: -

Voltage Dropout (Max):: 0.7V @ 1A

Current - Output:: 1A

Current - Quiescent (Iq):: 90 µA

Current - Supply (Max):: -

PSRR:: 65dB ~ 45dB (1kHz ~ 10kHz)

Control Features:: Enable

Protection Features:: Over Current, Over Temperature, Short Circuit

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TO-252-3

AP7361-10D-13 FAQ

1.How can I place an order for AP7361-10D-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for AP7361-10D-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 AP7361-10D-13 reliable?

The price and inventory of AP7361-10D-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AP7361-10D-13 is usually 5 days.

3.What payment methods are accepted for AP7361-10D-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AP7361-10D-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AP7361-10D-13?

AP7361-10D-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AP7361-10D-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 AP7361-10D-13?

For technical support, including AP7361-10D-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AP7361-10D-13 requirements.

6.How does Aetrix verify that AP7361-10D-13 is sourced from the original manufacturer or authorized distributors?

All AP7361-10D-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 AP7361-10D-13 meets industry standards.

7.What is the process for return or replacement of AP7361-10D-13?

All AP7361-10D-13 units undergo pre-shipment inspection (PSI). If there is an issue with AP7361-10D-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 AP7361-10D-13 part is unused and in its original packaging.

Return procedure for AP7361-10D-13:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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