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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearAP7365-15EG-13
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AP7365-15EG-13 - Diodes Incorporated

Manufacturer Part Number
AP7365-15EG-13
Manufacturer
Diodes Incorporated
Allelco Part Number
32D-AP7365-15EG-13
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
213,270 pcs available, New & Original
Parts Description
IC REG LIN 1.5V 600MA SOT223-3
Package
SOT-223-3
Data sheet
AP7365-15EG-13.pdf

Environmental Information

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 213270
  • Unit Price: $0.246
  • Subtotal: $0.00

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1+ $0.246 $0.25
200+ $0.098 $19.60
500+ $0.095 $47.50
1000+ $0.093 $93.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AP7365-15EG-13 Tech Specifications
Diodes Incorporated - AP7365-15EG-13 technical specifications, attributes, parameters and parts with similar specifications to Diodes Incorporated - AP7365-15EG-13

Product Attribute Attribute Value
Manufacturer Diodes Incorporated
Voltage Dropout (Max) 0.6V @ 600mA
Voltage - Output (Min/Fixed) 1.5V
Voltage - Output (Max) -
Voltage - Input (Max) 6V
Supplier Device Package SOT-223-3
Series -
Protection Features Over Current, Over Temperature
Package / Case TO-261-4, TO-261AA
Package Tape & Reel (TR)
Product Attribute Attribute Value
PSRR 65dB (1kHz)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 85°C
Number of Regulators 1
Mounting Type Surface Mount
Current - Quiescent (Iq) 80 µA
Current - Output 600mA
Control Features -
Base Product Number AP7365

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

AP7365-15EG-13 Image
AP7365-15EG-13 (1)

Manufacturer Part Number

AP7365-15EG-13

Manufacturer

diodes

Introduction

The AP7365-15EG-13 is a high-performance, low-dropout (LDO) voltage regulator from diodes. It provides a stable and reliable 1.5V output with a maximum current of 600mA, making it suitable for a wide range of applications that require a clean and regulated power supply.

Product Features and Performance

Fixed 1.5V output voltage

Maximum output current of 600mA

Low dropout voltage of 0.6V at 600mA

Quiescent current of only 80μA

High power supply rejection ratio (PSRR) of 65dB at 1kHz

Over-current and over-temperature protection

Product Advantages

Excellent load and line regulation for stable output

Robust protection features for reliable operation

Compact and space-saving SOT-223-3 package

Wide operating temperature range from -40°C to 85°C

Key Reasons to Choose This Product

Efficient and reliable power regulation for your electronics

Compact design saves valuable board space

Comprehensive protection features ensure safe operation

Suitable for a wide range of applications, from consumer electronics to industrial equipment

Quality and Safety Features

Over-current protection to prevent damage from excessive load

Over-temperature protection to safeguard the device

Robust design and high-quality manufacturing ensure long-term reliability

Compatibility

The AP7365-15EG-13 is compatible with a variety of electronic devices and systems that require a stable 1.5V power supply, such as:

Microcontrollers and processors

Analog and digital circuits

Sensors and signal conditioning circuits

Portable electronics and mobile devices

Application Areas

Consumer electronics

Industrial control systems

Telecommunications equipment

Medical devices

Automotive electronics

Product Lifecycle

The AP7365-15EG-13 is an active product, currently available for purchase. There are no known plans for its discontinuation at this time. However, if you have any questions or concerns about the product's availability or potential alternatives, please contact our sales team through our website for more information.

Frequently Asked Questions(FAQ)

How does the AP7365-15EG-13 compare to other fixed-output linear regulators in terms of dropout voltage when delivering 600mA, and what implications does this have for battery-powered applications?
The AP7366-15EG-13 features a maximum dropout voltage of 0.6V at 600mA, which is relatively low for a 1.5V output regulator. This performance enables it to maintain regulation when the input-to-output differential is as little as 0.6V, extending battery life in systems powered by Li-ion or alkaline cells that experience significant voltage sag under load. In comparison to older-generation regulators with higher dropout (e.g., 1.2V or more), the AP7365-15EG-13 reduces power dissipation by up to 60% under similar conditions, improving thermal efficiency and reducing the need for large heat sinks. This makes it particularly suitable for space-constrained or thermally limited designs.
What are the key differences between the AP7365-15EG-13 and switching regulators like the TPS62740 when used to generate 1.5V from a 4.2V battery source in a portable medical device?
While switching regulators such as the TPS62740 offer superior efficiency—often above 90%—at moderate loads, the AP7365-15EG-13 provides cleaner noise characteristics due to its inherent lack of high-frequency switching. For sensitive analog subsystems or precision measurement circuits in medical devices, lower electromagnetic interference and faster transient response can outweigh efficiency gains. However, the AP7365-15EG-13 consumes 80 µA quiescent current, whereas some ultra-low-power switchers draw less than 10 µA in shutdown. Thus, in battery-operated devices where standby time is critical, a switcher may still be preferable despite EMI trade-offs.
Can the AP7365-15EG-13 safely operate in environments with frequent thermal cycling, and how does its over-temperature protection function during sudden load transients?
The AP7365-15EG-13 is rated for operation from -40°C to 85°C and includes built-in over-temperature protection that shuts down the output if junction temperature exceeds safe limits. During rapid load transients—such as when a microcontroller wakes from sleep mode—the regulator’s internal thermal management responds within microseconds, preventing latch-up or damage. Unlike some regulators that exhibit thermal runaway under sustained overload, this device enters a hiccup mode during overtemperature conditions, automatically retrying after cooling. This behavior enhances reliability in automotive or industrial environments subject to wide temperature swings.
Is the SOT-223-3 package of the AP7365-15EG-13 suitable for high-volume automated assembly, and what layout considerations are necessary to minimize parasitic inductance and ensure stable operation?
Yes, the SOT-223-3 package is compatible with standard pick-and-place equipment and tape-and-reel packaging, making it ideal for high-volume production. However, proper PCB layout is essential: place input and output capacitors as close as possible to the regulator pins, use short, wide traces for power paths, and ensure adequate copper area on the thermal pad for heat dissipation. Neglecting these practices can increase effective impedance, degrade PSRR beyond the specified 65dB at 1kHz, and reduce stability margins, especially when using ceramic capacitors with high ESL.
How does the 80 µA quiescent current of the AP7365-15EG-13 impact battery life in intermittent-use IoT sensors, and would a different regulator be more appropriate for ultra-low-power modes?
At 80 µA Iq, the AP7365-15EG-13 draws significantly more current than specialized low-dropout (LDO) regulators designed for micropower operation—some consume under 1 µA—but remains competitive among standard LDOs. In an IoT sensor waking every 10 seconds to sample data and transmit briefly, the average current depends heavily on duty cycle. Assuming a 1ms active period at 600mA followed by sleep, the average current would be approximately (600mA × 0.001s + 80µA × 9.999s)/10s ≈ 6.8 mA average. While acceptable for many applications, using a micropower LDO could extend battery life by an order of magnitude in such scenarios.
What input voltage range should be maintained when using the AP7365-15EG-13 with a solar-powered edge node operating in variable ambient lighting?
The AP7365-15EG-13 accepts inputs up to 6V, but must always remain above the minimum required to sustain 1.5V output under full load. Given a 0.6V dropout at 600mA, the absolute minimum input is 2.1V. Solar panels often produce voltages exceeding 5V even in dim light, but their open-circuit voltage can drop below 2V during low illumination. Therefore, designers must ensure that the solar cell or supercapacitor buffer never allows input voltage to fall below 2.1V during peak current demand; otherwise, output regulation will fail and downstream logic may reset unpredictably.
Does the AP7366-15EG-13 support enabling via an external control pin, and how does this affect system-level power sequencing compared to hardwired enable designs?
No, the AP7365-15EG-13 lacks a dedicated enable pin and relies on direct connection of the input supply to activate the regulator. This simplifies control circuitry but removes flexibility in power sequencing. In systems requiring strict timing between multiple rails (e.g., core voltage before I/O voltage), additional discrete components or a supervisory IC may be needed to delay enabling other supplies until this rail stabilizes. Hardwired enable designs also prevent accidental turn-on during brownout events unless filtered appropriately.
What capacitor types and values are recommended for stable operation of the AP7365-15EG-13, and how do ESR requirements influence capacitor selection?
The AP7365-15EG-13 typically requires 1 µF minimum output capacitance with ESR between 1 mΩ and 20 Ω for stability. Tantalum or ceramic capacitors with moderate ESR are commonly used. Ceramic capacitors alone may cause oscillation due to very low ESR, necessitating a small series resistor (e.g., 1–10 Ω) or choosing X5R/X7R dielectrics with sufficient bias stability. Input-side filtering should include at least 0.1 µF placed near the pin to suppress high-frequency noise without introducing phase lag that compromises transient response.
How does the PSRR of 65dB at 1kHz perform in audio-sensitive applications, and would supplemental filtering be advisable?
A PSRR of 65dB means that power supply noise at 1kHz is attenuated by a factor of ~1,778. While this reduces ripple effectively in most digital systems, audio-band noise (20 Hz–20 kHz) may still require additional mitigation if the regulator shares a noisy input line with switching sources. In precision analog front-ends or Class-D amplifier power supplies, even residual ripple can manifest as audible hum. Adding LC filters or using regulators with higher PSRR (e.g., >70dB) or post-regulators may be warranted depending on sensitivity thresholds.
Can the AP7365-15EG-13 be paralleled to increase current capacity, and what precautions must be taken to avoid circulating currents?
Paralleling the AP7365-15EG-13 is generally not recommended without external current-sharing resistors because internal Vf mismatches can lead to uneven current distribution. Even slight variations in forward voltage drop cause one device to carry disproportionate load, potentially triggering overcurrent protection or premature aging. If higher current is required, selecting a single regulator rated for the total load (e.g., 1A version) is safer and more reliable than risking imbalance in a parallel configuration.
What is the significance of the MSL 1 classification for the AP7365-15EG-13, and how does it affect handling during manufacturing?
MSL 1 indicates that the AP7365-15EG-13 is moisture-insensitive and can be stored indefinitely under normal ambient conditions without requiring bake-out before reflow soldering. This simplifies inventory management and reduces production downtime associated with humidity exposure testing. Manufacturers can process boards immediately after unrolling unless exposed to extreme environments, streamlining Just-In-Time assembly workflows common in consumer electronics.
How does the RoHS3 compliance of the AP7365-15EG-13 align with global regulatory standards, and what materials substitution was likely implemented?
RoHS3 compliance means the AP7365-15EG-13 meets European Union Directive 2015/863, restricting four phthalates (DEHP, BBP, DBP, DIBP) in addition to the original six substances. The device uses lead-free terminations and halogen-free molding compound, suitable for lead-free reflow profiles. This ensures compatibility with international markets including China RoHS, California Proposition 65, and REACH SVHC lists, reducing risk of non-compliance in regulated industries such as medical devices and automotive electronics.
What is the expected lifetime of the AP7365-15EG-13 under continuous full-load operation at 85°C ambient temperature?
While exact lifetime depends on stress factors like thermal cycling and electromigration, accelerated life testing suggests electrolytic capacitors degrade fastest in power circuits. Assuming only semiconductor degradation (Junction Temperature ≈ 110°C under full load at 85°C ambient), Arrhenius modeling predicts mean time between failure (MTBF) exceeding 50 years for typical SOA conditions. Actual system lifetime will be dominated by passive components, particularly input/output capacitors, rather than the regulator itself.
How does the AP7365-15EG-13 handle reverse polarity protection, and is an external diode necessary?
The AP7365-15EG-13 does not include internal reverse polarity protection. Applying negative voltage to the input can damage the device. To prevent this, an external series P-channel MOSFET with gate tied to ground through a pull-down resistor provides robust reverse polarity protection without significant voltage drop. Alternatively, a Schottky diode in series adds minimal forward drop (~0.3V) but increases power loss at high currents. Designers must choose based on allowable headroom and fault tolerance requirements.
What are the implications of using ceramic capacitors on both input and output of the AP7365-15EG-13 in compact wearable devices?
Ceramic capacitors are favored in wearables for their small size and low profile. However, when both input and output use multilayer ceramics (MLCCs), care must be taken to avoid instability due to combined ESL and low ESR. The regulator’s feedback loop may oscillate if the total capacitance–ESR product falls outside the stable region. Adding a small ferrite bead or series resistor (≤5 Ω) on the output can dampen resonances without significantly impacting transient response, ensuring reliable operation in tight form factors.
How does the absence of a soft-start feature in the AP7365-15EG-13 affect inrush current when powering memory-rich systems like eMMC modules?
Without soft-start control, the AP7365-15EG-13 powers up instantaneously when enabled, drawing full 600mA load current immediately upon reaching threshold voltage. In systems with large decoupling capacitors (e.g., eMMC with 100 µF bulk capacitance), this can create brief inrush spikes exceeding the input source’s capability, causing brownouts or voltage droop. Adding a small RC network at the input or using a dedicated power sequencer mitigates this risk by delaying full load engagement until internal rails stabilize.
Can the AP7365-15EG-13 replace the LT1763 in legacy designs targeting 1.5V rails, and what modifications might be needed?
The LT1763 offers similar 1.5V output and 600mA current but features an enable pin and lower quiescent current (20 µA). Replacing it with the AP7365-15EG-13 requires removing any external enable circuitry and verifying that input undervoltage lockout (UVLO) behavior is acceptable, as the AP7365-15EG-13 has no UVLO hysteresis. Additionally, layout parasitics may differ slightly due to package variations, so stability must be validated with actual test loads rather than relying solely on datasheet simulations.
What role does the thermal resistance (θJA) play in determining maximum allowable ambient temperature for the AP7365-15EG-13, and how is it affected by PCB copper area?
Although not explicitly listed in the provided parameters, typical θJA for the SOT-223 package is around 60°C/W with poor heatsinking. With 2 oz copper and adequate pour (≥5 mm²), θJA improves to ~35°C/W. At 600mA output and 0.6V dropout, power dissipation is 0.36W. Allowable ambient temperature then becomes Tj_max – (Pd × θJA) = 125°C – (0.36W × 35°C/W) ≈ 99°C, far above the 85°C rating, indicating sufficient margin under normal conditions. However, in sealed enclosures with poor airflow, derating to 50% load is advisable to maintain safety margins.

Parts with Similar Specifications

The three parts on the right have similar specifications to Diodes Incorporated AP7365-15EG-13

Product Attribute AP7365-15ERG-13 AP7365-12EG-13 AP7365-15YRG-13 AP7365-15YG-13
Part Number AP7365-15ERG-13 AP7365-12EG-13 AP7365-15YRG-13 AP7365-15YG-13
Manufacturer Diodes Incorporated Diodes Incorporated Diodes Incorporated Diodes Incorporated
Voltage Dropout (Max) - - - -
Voltage - Output (Min/Fixed) - - - -
Current - Quiescent (Iq) - - - -
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Protection Features - - - -
Voltage - Input (Max) - - - -
Voltage - Output (Max) - - - -
PSRR - - - -
Control Features - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Regulators - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Output Configuration - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Output - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

AP7365-15EG-13 Datasheet PDF

Download AP7365-15EG-13 pdf datasheets and Diodes Incorporated documentation for AP7365-15EG-13 - Diodes Incorporated.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
Cylindrical Battery Holders.pdf

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    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

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AP7365-15EG-13 Image

AP7365-15EG-13

Diodes Incorporated
32D-AP7365-15EG-13

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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