Logo
Contact Us
Cookies Policy
Terms of Use
Privacy Policy
phone
Vivi (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
    +86 755-2845-3125
    [email protected][email protected][email protected]
    Room 2709B, 5A Office Building, Longguang Jiuzuan, Hongshan, Longhua District, Shenzhen, China
    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. Integrated Circuits - ICs/
    4. Power Management ICs/
    5. LD3985J29R STMicroelectronics

    LD3985J29R [STMicroelectronics]

    LD3985J29R
    LD3985J29R

    Part No:

    LD3985J29R

    Category:

    Power Management ICs

    Manufacturer:

    STMicroelectronics

    Description:

    Enable Fixed LD3985 PMIC 5 5-WFBGA, FCBGA

    RoHS Status:

    Product FAQ

    1. Is LD3985J29R available for RFQ?

    Yes. LD3985J29R by STMicroelectronics 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 LD3985J29R?

    Pricing for LD3985J29R 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 LD3985J29R?

    LD3985J29R is a STMicroelectronics Power Management ICs with Packaging: Tape & Reel (TR) and Moisture Sensitivity Level (MSL): 3 (168 Hours) and Input Voltage Absolute-Max: 6V. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for LD3985J29R?

    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 LD3985J29R 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 LD3985J29R?

    Yes. If LD3985J29R is unavailable, obsolete, or does not meet your required lead time, we can help check similar STMicroelectronics Power Management ICs parts or compatible alternatives.

    RFQ

    Part Number:

    LD3985J29R

    Manufacturer:

    STMicroelectronics

    Looking for Pricing? Contact us for volume pricing.

    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

    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
    Mount
    Surface Mount
    Mounting Type
    Surface Mount
    Package / Case
    5-WFBGA, FCBGA
    Number of Pins
    5
    Operating Temperature
    -40°C~125°C
    Packaging
    Tape & Reel (TR)
    Part Status
    Obsolete
    Moisture Sensitivity Level (MSL)
    3 (168 Hours)
    Number of Terminations
    5
    ECCN Code
    EAR99
    Packing Method
    TAPE AND REEL
    Technology
    BICMOS
    Terminal Position
    BOTTOM
    Terminal Form
    BALL
    Number of Functions
    1
    Base Part Number
    LD3985
    Pin Count
    5
    Current - Supply (Max)
    250μA
    Number of Outputs
    1
    Voltage - Input (Max)
    6V
    Output Voltage
    2.9V
    Output Type
    Fixed
    Max Output Current
    550mA
    Output Configuration
    Positive
    Current - Output
    150mA
    Quiescent Current
    150μA
    Control Features
    Enable
    Accuracy
    2 %
    Output Voltage 1
    2.9V
    Number of Regulators
    1
    Min Input Voltage
    2.5V
    Protection Features
    Over Current, Over Temperature
    Current - Quiescent (Iq)
    150μA
    Voltage Dropout (Max)
    0.1V @ 150mA
    PSRR
    60dB ~ 50dB (1kHz ~ 10kHz)
    Dropout Voltage
    60mV
    Dropout Voltage1-Nom
    0.06V
    Voltage Tolerance-Max
    3%
    Min Current Limit
    300mA
    Input Voltage Absolute-Max
    6V
    Input Bias Current
    85μA
    Radiation Hardening
    No
    RoHS Status
    RoHS Compliant

    Products Detail

    LD3985J29R Overview


    A Tape & Reel (TR) case is used to deliver the Voltage Regulated IC. A 5-WFBGA, FCBGA case is used for packaging. As you can see, the IC chip has 5 terminations. Regulator IC chip's output type is Fixed. The electronic part implements 1 regulators in total. In this Regulator IC chip, the operating temperature of Surface Mount varies. -40°C~125°C degrees is the operating temperature of the Voltage Regulator IC. There is one output function configured for this voltage regulator IC, and that is Positive. As far as its current output is concerned, it stands at 150mA. There are 5 pins in total in this voltage regulator IC. It has 1 outputs to ensure that the performance of this regulator is prompt and sufficient. The dropout voltage of the regulator IC is 10 volts. 5 pins are on the chip. For your information, this regulator's basic part number is LD3985. The component shown here is a typical Other Regulators component. There is a way of packing the regulator that is called TAPE AND REEL. To meet operation requirements, the voltage regulator IC has a maximum output current of 550mA. It operates in the 150μA Quiescent Current state.

    LD3985J29R Features


    60mV dropout voltage
    Other Regulators subtageroy
    TAPE AND REEL method of packing


    LD3985J29R Applications


    There are a lot of STMicroelectronics
    LD3985J29R Linear Voltage Regulators applications.


    • Communication device
    • Personal communication device
    • Portable telephone
    • Electronic notebook
    • Camera
    • Video equipment
    • CPU power supply
    • Switching regulator
    • Multiple-power supply system
    • Digital audio player

    Documents

    Datasheets:

    LD3985xx
    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

    BEST SELL
    MT53E1G32D2FW-046 AAT:C

    MT53E1G32D2FW-046 AAT:C

    Micron

    BEST SELL
    CYBT-343026-EVAL

    CYBT-343026-EVAL

    Infineon

    BEST SELL
    K4B4G1646E-BYK0

    K4B4G1646E-BYK0

    SAMSUNG

    BEST SELL
    H9TQ64A8GTDCUR-KUM

    H9TQ64A8GTDCUR-KUM

    SK HYNIX

    BEST SELL
    MTFC4GACAJCN-4M IT

    MTFC4GACAJCN-4M IT

    Micron

    BEST SELL
    MT60B2G8HB-48B:A

    MT60B2G8HB-48B:A

    Micron

    BEST SELL
    MTFC2GMDEA-0M WT A

    MTFC2GMDEA-0M WT A

    Micron

    BEST SELL
    TMS320F28379DZWTT

    TMS320F28379DZWTT

    Texas Instruments

    BEST SELL
    UCC28070APW

    UCC28070APW

    Texas Instruments

    BEST SELL
    KLMCG1RCTE-B041

    KLMCG1RCTE-B041

    SAMSUNG

    Related Information
    • Part Number
      Manufacturer
      Stock Status
      Pricing
      RoHS/Datasheet
    • LD1585CD2M50
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • LE45ABD-TR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • STM806TM6E
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • ISO808
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
      -
    • L99PD08
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • VNQ6040STR-E
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • L4931CD120
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • IPS2050HQ
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
      -
    • VN16BSP13TR
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing
    • VNV35NV04TR-E
      STMicroelectronics
      Available for RFQ
      Request Volume Pricing

    E-L5950

    E-L5950

    STMicroelectronics

    LD29300D2M50

    LD29300D2M50

    STMicroelectronics

    LD1117D33

    LD1117D33

    STMicroelectronics

    L4931ABZ80-AP

    L4931ABZ80-AP

    STMicroelectronics

    LD1084D2M25R

    LD1084D2M25R

    STMicroelectronics

    KD1084D2T18R

    KD1084D2T18R

    STMicroelectronics

    L78M24ABV

    L78M24ABV

    STMicroelectronics

    LD1086DT80

    LD1086DT80

    STMicroelectronics

    LD1117V25

    LD1117V25

    STMicroelectronics

    LD1084D2T12R

    LD1084D2T12R

    STMicroelectronics

    Interface ICs(171334)Clock & Timer ICs(1260551)Switch ICs(14248)Logic ICs(54798)Amplifier ICs(47862)Programmable Logic ICs(28113)Audio ICs(8346)Counter ICs(4640)Active Filter(721)Multimedia ICs(2442)

    No recently viewed products