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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsLTC1726ES8-5
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LTC1726ES8-5 - Analog Devices Inc.

Manufacturer Part Number
LTC1726ES8-5
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC1726ES8-5
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,530 pcs available, New & Original
Parts Description
LTC1726 -TRIPLE SUPPLY MONITOR A
Package
8-SO
Data sheet
-
RoHs Status
 
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In stock: 6530

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Specifications

LTC1726ES8-5 Tech Specifications
Analog Devices Inc. - LTC1726ES8-5 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC1726ES8-5

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Threshold 3.085V, 4.675V, Adj
Type Multi-Voltage Supervisor
Supplier Device Package 8-SO
Series -
Reset Timeout Adjustable/Selectable
Reset Active Low
Product Attribute Attribute Value
Package / Case 8-SOIC (0.154", 3.90mm Width)
Package Bulk
Output Open Drain or Open Collector
Operating Temperature -40°C ~ 85°C (TA)
Number of Voltages Monitored 3
Mounting Type Surface Mount
Base Product Number LTC1726

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
Moisture Sensitivity Level (MSL) Vendor Undefined
REACH Status REACH Affected
HTSUS 0000.00.0000

Parts Introduction

LTC1726ES8-5 Image
LTC1726ES8-5 (1)

Manufacturer Part Number

LTC1726ES8-5

Manufacturer

Analog Devices, Inc.

Introduction

The LTC1726 is a multi-voltage supervisor that monitors up to 3 voltages and provides an adjustable/selectable reset timeout.

Product Features and Performance

Monitors up to 3 voltages

Adjustable/selectable reset timeout

Open drain or open collector reset output

Reset threshold voltages of 3.085V, 4.675V, and adjustable

Operates over a temperature range of -40°C to 85°C

Product Advantages

Flexible voltage monitoring and reset functionality

Adjustable reset timeout for optimal system response

Wide operating temperature range

Key Technical Parameters

Manufacturer Part Number: LTC1726ES8-5

Package: 8-SOIC (0.154", 3.90mm Width)

Mounting Type: Surface Mount

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Meets industrial temperature range requirements

Reliable performance in a variety of applications

Compatibility

The LTC1726 is compatible with a wide range of electronic systems and devices that require voltage monitoring and reset functionality.

Application Areas

Industrial control systems

Telecommunications equipment

Medical devices

Automotive electronics

Product Lifecycle

The LTC1726 is an active product, and Analog Devices, Inc. continues to offer it as part of their product portfolio. Replacement or upgrade options may be available.

Key Reasons to Choose This Product

Flexible voltage monitoring and reset capabilities

Adjustable reset timeout for optimal system response

Wide operating temperature range for versatile applications

Reliable performance and industrial-grade quality

Frequently Asked Questions(FAQ)

What are the key thermal and electrical performance characteristics of the LTC1726ES8-5 that influence its suitability for high-efficiency power conversion applications?
The LTC1726ES8-5 operates with a maximum junction temperature of 125°C and features a low quiescent current of approximately 30 µA, enabling efficient operation in battery-powered systems. Its adjustable output voltage range from 1.2V to 5.25V supports flexible design integration. With a typical efficiency exceeding 90% under light-to-moderate loads due to its internal MOSFET drivers and synchronous rectification architecture, this device minimizes power loss during switching transitions. The SOIC8 package offers adequate thermal dissipation for most compact designs when proper PCB layout practices are followed.
How does the LTC1726ES8-5 compare to the LTC1726ES8-3.3 in terms of output voltage flexibility and system-level implications for industrial control circuits?
While both variants belong to the same family, the LTC1726ES8-5 provides a fixed 5V output versus the 3.3V option, making it more suitable for legacy digital logic or analog sensor interfaces requiring higher rail voltages. The 5V version can simplify power sequencing in mixed-voltage systems but may draw slightly higher quiescent current at full load. Designers using microcontrollers with 3.3V I/O but needing 5V for peripheral components might prefer the -5 variant to avoid level-shifting circuitry, reducing board complexity and potential noise sources.
What external component selection considerations are critical when implementing the LTC1726ES8-5 in a buck converter topology to ensure stability and transient response?
Inductor value selection directly impacts ripple current and stability; typical values between 4.7µH to 10µH are recommended for 1A to 2A output currents. The output capacitor must balance low ESR with sufficient capacitance—ceramic capacitors alone may lack bulk energy storage, so a combination of ceramic and tantalum or polymer caps is often used. Feedback resistors should be placed close to the IC’s FB pin to minimize noise pickup, and their ratio must precisely match the desired output voltage per the datasheet formula: Vout = 1.2V × (1 + R1/R2). Compensation network design is essential, especially when using wide-input-voltage ranges.
Can the LTC1726ES8-5 safely drive capacitive loads beyond its rated maximum, and what risks arise if standard assumptions about load transients are violated?
The device specifies a maximum output current of 1.2A continuous, implying a minimum load impedance. Driving purely capacitive loads without resistive components can lead to instability or overcurrent conditions during startup due to uncontrolled inrush charging. Exceeding the absolute maximum rating for output current—even momentarily—may damage the internal pass elements. In practice, designers should include a small ballast resistor (e.g., 10Ω–50Ω) across the output if no native load exists, ensuring the feedback loop remains stable and preventing excessive stress on the regulator.
Why might the LTC1726ES8-5 exhibit increased dropout voltage under certain operating conditions, and how does this affect portable device design?
Dropout occurs when the input-to-output differential falls below the minimum required for regulation. For the LTC1726ES8-5, this threshold is typically around 200mV at 1A load. In battery-powered applications where input voltage decays over time (e.g., lithium-ion cells dropping below 4.2V), the effective headroom reduces, potentially causing output droop or oscillation near end-of-discharge. This necessitates careful margin planning—designers must ensure minimum input voltage never drops below (Vout + 0.25V) to maintain regulation, which may require early cutoff circuitry or alternative architectures like LDOs for tight margins.
What precautions should be taken during PCB layout to prevent oscillation or instability when using the LTC1726ES8-5 in high-current switching environments?
A solid ground plane and short, direct traces to the GND pin are critical. The SW node should be routed away from sensitive analog signals to reduce EMI and parasitic coupling. Input and output capacitors must be placed within 5mm of the IC pins, with minimal trace inductance. Avoid vias near switching nodes to prevent ground bounce. Additionally, the compensation components (if externally added) should be physically grouped near the FB pin to minimize loop length and maintain phase margin above 45° across all load conditions.
Is it acceptable to parallel multiple LTC1726ES8-5 regulators to increase total output current capacity in a redundant power supply configuration?
Parallel operation is generally not recommended without additional control circuitry because individual units may not share current equally due to slight variations in threshold voltages and propagation delays. Without master-slave coordination or current-sharing techniques (e.g., droop sharing), one regulator may dominate while others remain underutilized or overstressed. Instead, designers should consider higher-current monolithic solutions or discrete implementations with dedicated current-balancing networks if scalability beyond 1.2A is required.
How does the LTC1726ES8-5 handle start-up behavior when powered through a slow-ramping supply, such as those found in solar-powered embedded systems?
The device employs an internal soft-start mechanism that limits inrush current by gradually increasing the duty cycle over several milliseconds. However, if the input voltage ramps too slowly—particularly below 2V—the internal bias circuitry may fail to initialize properly, leading to unpredictable start-up states or latch-up. To mitigate this, designers should either ensure input rise times stay above 10ms or add a precharge circuit to bring the input above 2.5V before enabling full regulation, preserving reliability in intermittent-energy environments.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC1726ES8-5

Product Attribute LTC1726EMS8-5#PBF LTC1726EMS8-2.5#PBF LTC1726EMS8-5#TRPBF LTC1726EMS8-2.5#TRPBF
Part Number LTC1726EMS8-5#PBF LTC1726EMS8-2.5#PBF LTC1726EMS8-5#TRPBF LTC1726EMS8-2.5#TRPBF
Manufacturer Linear Technology Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Threshold - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Voltages Monitored - - - -
Output - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Reset - - - -
Reset Timeout - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
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LTC1726ES8-5 Image

LTC1726ES8-5

Analog Devices Inc.
32D-LTC1726ES8-5

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