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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLP38691SDX-ADJ
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LP38691SDX-ADJ - Texas Instruments

Manufacturer Part Number
LP38691SDX-ADJ
Manufacturer
Texas Instruments
Allelco Part Number
32D-LP38691SDX-ADJ
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LIN POS ADJ 500MA 6WSON
Package
6-WSON (3x3)
Data sheet
1.LP38691SDX-ADJ.pdf ...
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Specifications

LP38691SDX-ADJ Tech Specifications
Texas Instruments - LP38691SDX-ADJ technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LP38691SDX-ADJ

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) -  
Voltage - Output (Min/Fixed) 1.25V  
Voltage - Output (Max) 9V  
Voltage - Input (Max) 10V  
Supplier Device Package 6-WSON (3x3)  
Series Automotive, AEC-Q100  
Protection Features Over Temperature  
Package / Case 6-WDFN Exposed Pad  
Package Tape & Reel (TR)  
PSRR 55dB (120Hz)  
Product Attribute Attribute Value  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 100 µA  
Current - Quiescent (Iq) 55 µA  
Current - Output 500mA  
Control Features -  
Base Product Number LP38691  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LP38691SDX-ADJ

Manufacturer

Texas Instruments

Introduction

The LP38691SDX-ADJ is a linear, low dropout (LDO) voltage regulator designed for power management in various applications.

Product Features and Performance

Adjustable output voltage from 1.25V to 9V

Supports up to 500mA output current

Low quiescent current of 55 μA, ideal for battery-powered applications

Power supply rejection ratio (PSRR) of 55dB at 120Hz

Features over-temperature protection for improved safety

Qualifies for automotive applications (AEC-Q100)

Product Advantages

Efficient power management for extending battery life

High reliability with built-in protection features

Versatile use in a wide range of applications due to its adjustable voltage output

Automotive qualification ensures robustness and quality

Key Technical Parameters

Voltage - Input (Max): 10V

Voltage - Output (Min/Fixed): 1.25V

Voltage - Output (Max): 9V

Current - Output: 500mA

Current - Quiescent (Iq): 55µA

PSRR: 55dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Qualification: AEC-Q100

Quality and Safety Features

Over Temperature Protection

Automotive Grade Quality (AEC-Q100 Certified)

Compatibility

Surface Mount Technology (SMT) for easy integration

Packaged in a 6-WDFN Exposed Pad for compact placement

Application Areas

Automotive systems

Portable electronics

Battery-powered devices

Power supply circuits

Product Lifecycle

Obsolete - It is important to note that this product is now obsolete, posing challenges in availability. Customers are encouraged to look for replacements or upgrades for future designs.

Several Key Reasons to Choose This Product

High efficiency and reliability for power-sensitive applications

Adjustable output for versatile use across different voltages needs

Low power consumption enhancing battery life in portable applications

Meets automotive industry standards for quality and robustness

Built-in safety features for enhanced protection

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LP38691SDX-ADJ

Product Attribute LP38691SDX-5.0 LP38691SDX-2.5 LP38691SDX-1.8/NOPB LP38691SDX-5.0/NOPB
Part Number LP38691SDX-5.0 LP38691SDX-2.5 LP38691SDX-1.8/NOPB LP38691SDX-5.0/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Number of Regulators - - - -
Voltage Dropout (Max) - - - -
Control Features - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
PSRR - - - -
Voltage - Output (Min/Fixed) - - - -
Current - Output - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Input (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Protection Features - - - -
Output Configuration - - - -
Voltage - Output (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Supply (Max) - - - -
Current - Quiescent (Iq) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

LP38691SDX-ADJ Datasheet PDF

Download LP38691SDX-ADJ pdf datasheets and Texas Instruments documentation for LP38691SDX-ADJ - Texas Instruments.

Datasheets
LP38691/93-ADJ(Q1).pdf

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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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

  1. Use your express account for shipment if you have one.
  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.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LP38691SDX-ADJ Image

LP38691SDX-ADJ

Texas Instruments
32D-LP38691SDX-ADJ

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