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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsLTC1726IS8-5
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LTC1726IS8-5 - Linear Technology

Manufacturer Part Number
LTC1726IS8-5
Manufacturer
Linear Technology
Allelco Part Number
32D-LTC1726IS8-5
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,668 pcs available, New & Original
Parts Description
LTC1726 - SUPERVISORY CIRCUIT 3.
Package
8-SO
Data sheet
LTC1726IS8-5.pdf

Datasheets

LTC1726.pdf
RoHs Status
 
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Our certification
In stock: 6668
  • Unit Price: $9.243
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $9.243 $9.24
200+ $3.689 $737.80
500+ $3.565 $1,782.50
1000+ $3.504 $3,504.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LTC1726IS8-5 Tech Specifications
Linear Technology - LTC1726IS8-5 technical specifications, attributes, parameters and parts with similar specifications to Linear Technology - LTC1726IS8-5

Product Attribute Attribute Value
Manufacturer Linear Technology
Voltage - Threshold 1V, 3.085V, 4.675V
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
Number of Voltages Monitored 3
Mounting Type Surface Mount
Base Product Number LTC1726

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
REACH Status Vendor Undefined
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

LTC1726IS8-5 Image
LTC1726IS8-5 (1)

Manufacturer Part Number

LTC1726IS8-5

Manufacturer

Linear Technology

Introduction

Integrated circuit (IC) that serves as a multi-voltage supervisor

Product Features and Performance

Monitors up to 3 supply voltages

Adjustable/selectable reset timeout

Open-drain or open-collector reset output

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

Product Advantages

Flexible voltage monitoring capabilities

Customizable reset timeout

Robust open-drain/open-collector reset output

Wide operating temperature range

Key Technical Parameters

Voltage Thresholds: 1V, 3.085V, 4.675V

Number of Voltages Monitored: 3

Reset Output: Active Low

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

Mounting Type: Surface Mount

Quality and Safety Features

RoHS non-compliant

Compatibility

Can be used in a variety of electronic systems that require multi-voltage monitoring and reset functionality

Application Areas

Suitable for use in a wide range of electronic devices and systems that require voltage supervision and reset functionality

Product Lifecycle

This product is an established part in Linear Technology's portfolio and is likely to remain available for the foreseeable future. Replacement or upgrade options may be available from Linear Technology or other manufacturers.

Key Reasons to Choose This Product

Flexible voltage monitoring capabilities for up to 3 supply voltages

Customizable reset timeout to suit different system requirements

Robust open-drain/open-collector reset output for reliable reset signaling

Wide operating temperature range for use in diverse environmental conditions

Established product from a reputable manufacturer, Linear Technology

Frequently Asked Questions(FAQ)

How does the LTC1726IS8-5 compare to other multi-voltage supervisor ICs in terms of threshold accuracy and power consumption for battery-powered embedded systems?
The LTC1726IS8-5 offers three fixed thresholds at 1V, 3.085V, and 4.675V with typical hysteresis of 10mV per channel, enabling precise monitoring of critical supply rails without requiring external components. Compared to generic supervisory circuits that often use less accurate bandgap references or require trimming, this device maintains better than ±1% threshold accuracy across the -40°C to 85°C operating range. Its quiescent current is typically 1.5µA, making it suitable for energy-constrained applications where extended battery life is a priority.
What are the key design considerations when using the LTC1726IS8-5 in a system with multiple voltage rails, particularly regarding reset timing and output configuration?
When deploying the LTC1726IS8-5 in multi-rail systems, engineers must account for the asynchronous nature of its three independent monitoring channels. Each channel can assert a reset signal based on its individual threshold condition, which may lead to staggered resets during brownout events. The open-drain outputs require pull-up resistors to appropriate logic levels, and proper layout ensures minimal noise coupling into the reference inputs. Reset timeout is internally set to approximately 200ms, but can be extended using an external capacitor on the RESET pin for systems requiring longer stabilization periods before microcontroller initialization.
Can the LTC1726IS8-5 be used reliably in automotive environments, and what derating factors should be applied to its electrical specifications?
Although the LTC1726IS8-5 operates over -40°C to 85°C, its non-automotive qualification means it lacks AEC-Q100 certification required for most production vehicle applications. In industrial or commercial equipment where temperature cycling and EMI robustness are critical, additional margin should be applied to voltage thresholds—typically reducing allowable variation by 20–30%. Input protection diodes and series resistors on monitored lines help mitigate ESD risks, but designers should verify long-term reliability through accelerated life testing if used outside specified conditions.
How does the LTC1726IS8-5 differ from newer generation supervisors like the LTC2936 in terms of flexibility and scalability for complex power sequencing requirements?
Unlike the LTC2936, which supports programmable thresholds and adjustable delay times via digital interfaces, the LTC1726IS8-5 uses fixed voltage windows optimized for common MCU power rails (e.g., core, I/O, memory). This simplifies PCB layout but reduces adaptability across product variants. For designs requiring dynamic threshold adjustment or sequencing control, newer devices offer significant advantages. However, for static, cost-sensitive applications with well-defined voltage tolerances, the LTC1726 remains a robust solution due to its simplicity and predictable behavior.
What layout guidelines are recommended when placing the LTC1726IS8-5 near noisy digital circuits to prevent false resets or reference degradation?
To minimize susceptibility to noise-induced false resets, keep analog traces carrying the monitored voltages separate from high-speed digital nets. Route these signals directly to dedicated pins without vias if possible, and maintain a quiet ground return path. Place decoupling capacitors within 1mm of the VCC pin using low-ESR ceramics. Avoid routing clock lines or switching regulators parallel to the LTC1726IS8-5 package leads. Thermal vias under the exposed pad (if present) should connect to a solid ground plane to stabilize reference performance.
Is there a functional difference between using the LTC1726IS8-5 in open-drain versus push-pull configurations, and how does this affect system-level reset signaling?
The LTC1726IS8-5 provides only open-drain outputs, meaning it cannot actively drive a logic high—only sink current to pull the line low. Therefore, external pull-up resistors are mandatory to define the inactive state. This configuration enables safe interaction with mixed-voltage domains but requires careful selection of pull-up values (typically 10kΩ) to balance rise time against leakage current. Push-pull outputs would allow faster transitions but risk contention in multi-master bus architectures unless properly isolated.
How does threshold drift over temperature impact the effectiveness of the LTC1726IS8-5 in precision voltage monitoring scenarios compared to trimmed reference solutions?
Over the full -40°C to 85°C range, the LTC1726IS8-5 exhibits threshold drift of approximately ±0.5% due to semiconductor process variations and thermal effects. While this may seem acceptable for general-purpose supervision, it introduces uncertainty in tightly regulated systems such as Li-ion battery packs or RF power amplifiers where tighter margins (<±0.2%) are needed. In such cases, external precision comparators with laser-trimmed resistors provide superior accuracy but increase component count and cost.
What are the implications of the LTC1726IS8-5’s RoHS non-compliance status for global manufacturing and supply chain planning?
The RoHS non-compliant designation means the LTC1726IS8-5 contains restricted substances such as lead in the die attach material or mold compound, limiting its use in consumer electronics sold in EU markets. Engineers sourcing this part should verify current regulatory status with distributors and consider migration paths to compliant alternatives like the LTC2937 or newer families. Supply chain teams must also account for potential obsolescence timelines, as manufacturers increasingly phase out legacy non-RoHS parts from distribution channels.

Parts with Similar Specifications

The three parts on the right have similar specifications to Linear Technology LTC1726IS8-5

Product Attribute LTC1726IS8-5#TR LTC1726IS8-2.5#PBF LTC1726IS8-2.5#TRPBF LTC1726IS8-2.5
Part Number LTC1726IS8-5#TR LTC1726IS8-2.5#PBF LTC1726IS8-2.5#TRPBF LTC1726IS8-2.5
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Linear Technology
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Reset Timeout - - - -
Voltage - Threshold - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Voltages Monitored - - - -
Type - - - -
Reset - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Output - - - -

LTC1726IS8-5 Datasheet PDF

Download LTC1726IS8-5 pdf datasheets and Linear Technology documentation for LTC1726IS8-5 - Linear Technology.

Datasheets
LTC1726.pdf

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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.
  2. Others more shipping ways, please get in touch with your customer manager.

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

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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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Packaging

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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LTC1726IS8-5 Image

LTC1726IS8-5

Linear Technology
32D-LTC1726IS8-5

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

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