Logo
Contact Us
Cookies Policy
Terms of Use
Privacy Policy
phone
Vivi (Sales)
phone
Lucy (Sales)
phone
Ban (Sales)
phone
+86 755-2845-3125
RFQ List
  • open navigation menu
    • Logo
    • RFQ List
      • Manufacturers
      • Hot Products
      • RFQ
      • Blog
      • Tools
      • Sourcing Solutions
      • PCB/SMT
      • About Us
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    Certification badge
    CONTACT US
    Customer Support:
    +86 755-2845-3125
    Room 2709B, 5A Office Building, Longguang Jiuzuan, Hongshan, Longhua District, Shenzhen, China
    [email protected]
    Company
    • Blog
    • About Us
    • Contact Us
    Resources
    • Categories
    • Manufacturers
    • Tools
    • RFQ
    Quick link
    • Privacy Policy
    • Terms of Use
    • Cookies Policy
    • Refund & Return Policy
    • Shipping & Delivery Policy
    Payment
    • Payment method
    • Payment method
    • Payment method
    • Payment method
    Logistics
    • Logistics partner
    • Logistics partner
    • Logistics partner
    • Logistics partner

    © 2026 Copyright. All Rights Reserved. Made by ICAllIn

    Part number
    Part number
    1. Home/
    2. All Categories/
    3. Power/
    4. Power Supplies/
    5. PT79SR109V Texas Instruments

    PT79SR109V [Texas Instruments]

    PT79SR109V
    PT79SR109V

    Part No:

    PT79SR109V

    Category:

    Power Supplies

    Manufacturer:

    Texas Instruments

    Description:

    PT79SR100 Series -1.5 Amp Negative Step-Down Integrated Switching Regulator. The PT79SR100 is a line of Negative Input/Negative Output 3-terminal Integrated Switching Regulator.

    Datasheet:

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Efficiency
    85% (Typ)
    Operating Temperature
    -40°C ~ +85°C
    Storage Temperature
    -40°C ~ +125°C
    Weight
    7.0 Grams
    RoHS Status
    RoHS Compliant
    RoHS Status
    Package
    SIPMOD (3 pins)
    Line Regulation
    ±1.0% (Typ) ±2.0% (Max)
    Load Regulation
    ±0.5% (Typ) ±1.0% (Max)
    Mechanical Shock
    500 G's
    Mechanical Vibration
    5 G's
    Output Current
    -1.5A
    Output Voltage Tolerance
    ±1.0% (Typ) ±3.0% (Max)
    Recommended Operating Temperature Max
    +60°C
    Recommended Operating Temperature Min
    -40°C
    Ripple Noise
    35 mVpp (Typ)
    Short Circuit Current
    -3.5A (peak)
    Switching Frequency
    0.95MHz ~ 1.05MHz
    Temperature Coefficient
    ±0.5mV/°C (Typ) ±1.5mV/°C (Max)
    Thermal Resistance
    45°C/W
    Transient Response
    100 µSec (Typ)

    Products Detail

    High efficiency (>85%) negative step-down integrated switching regulators with self-contained inductor, maximum output current of -1.5A. Output voltages are laser trimmed to industry standard values (-5V, -5.2V, -6V, -8V, -9V, -12V, -15V). Features excellent line and load regulation, short circuit protection, and over-temperature protection. Ideal for RS232 and Ethernet communications, ECL logic, and op-amp circuitry.

    Key Features

    • High Efficiency >85%
    • Self-Contained Inductor
    • Short Circuit Protection
    • Over-Temperature Protection
    • Output Current: -1.5A
    • Output Voltages: -5V, -5.2V, -6V, -8V, -9V, -12V, -15V
    • Excellent line and load regulation

    Application scenarios

    • RS232 and Ethernet communications
    • ECL logic
    • op-amp circuitry

    Documents

    Datasheets:

    PT79SR109V-Texas-Instruments-datasheet-3389.pdf
    Product FAQ

    1. Is PT79SR109V available for RFQ?

    Yes. PT79SR109V by Texas Instruments is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for PT79SR109V?

    Pricing for PT79SR109V can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of PT79SR109V?

    PT79SR109V is a Texas Instruments Power Supplies with Recommended Operating Temperature Max: +60°C and Recommended Operating Temperature Min: -40°C. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for PT79SR109V?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can PT79SR109V be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to PT79SR109V?

    Yes. If PT79SR109V is unavailable, obsolete, or does not meet your required lead time, we can help check similar Texas Instruments Power Supplies parts or compatible alternatives.

    RFQ

    Part Number:

    PT79SR109V

    Manufacturer:

    Texas Instruments

    Looking for Pricing? Contact us for volume pricing.

    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    BEST SELL
    K4AAG165WA-BCWE

    K4AAG165WA-BCWE

    SAMSUNG

    BEST SELL
    FS32K144HAT0MLLT

    FS32K144HAT0MLLT

    NXP

    BEST SELL
    ISL94202IRTZ-T

    ISL94202IRTZ-T

    RENESAS

    BEST SELL
    MCX75510AAS-NEAT

    MCX75510AAS-NEAT

    NVIDIA

    BEST SELL
    MT60B4G4HB-48B:A

    MT60B4G4HB-48B:A

    Micron

    BEST SELL
    MT48H32M16LFB4-6 IT:C

    MT48H32M16LFB4-6 IT:C

    Micron

    BEST SELL
    GD32F407ZGT6

    GD32F407ZGT6

    GD

    BEST SELL
    H5CG46MEBDX015N

    H5CG46MEBDX015N

    SK HYNIX

    BEST SELL
    MT48LC16M16A2P-6A IT:G

    MT48LC16M16A2P-6A IT:G

    Micron

    BEST SELL
    MT53E1G32D2FW-046 AAT:C TR

    MT53E1G32D2FW-046 AAT:C TR

    Micron

    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • PT78ST108S
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • PT6605P
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • PT6686B
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • PT5103J
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • UC2825BDWTR
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • PT5812N
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • LMG3622REQR
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
    • TPS40130RHBTG4
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
    • HIP5010IS1
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -
    • PT5022CT
      Texas Instruments
      Available for RFQ
      Request Volume Pricing
      -

    PT6506F

    PT6506F

    Texas Instruments

    PT6323N

    PT6323N

    Texas Instruments

    LMG3410R070RWHR

    LMG3410R070RWHR

    Texas Instruments

    PT5021LT

    PT5021LT

    Texas Instruments

    78SR115VC

    78SR115VC

    Texas Instruments

    PT78ST112S

    PT78ST112S

    Texas Instruments

    CSD97394Q4M

    CSD97394Q4M

    Texas Instruments

    LMG3522R030RQSRG4

    LMG3522R030RQSRG4

    Texas Instruments

    PT5109C

    PT5109C

    Texas Instruments

    PT6719C

    PT6719C

    Texas Instruments

    DC/DC Converters(149515)Solar Panels & Solar Cells(7)Power Condition(27401)Batteries(5298)Battery Chargers(11802)Battery Holders, Clips & Contacts(447)AC Power Cords(0)AC Power Plugs & Receptacles(207)AC Power Entry Modules(315)DC Power Connectors(33)DC Power Cords(0)Transformers(12577)Power Inverters(7299)Supercapacitors(0)Buffer Modules(892)Thermoelectric Assemblies(2475)

    No recently viewed products