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Product Catalog

LM1770UMF

LM1770UMF

LM1770UMF

lmages are for reference only.
  • Part Number

    LM1770UMF

  • Manufacturer

    National Semiconductor
  • Description

    SWITCHING CONTROLLER, VOLTAGE-MO

  • Datasheet

    DatasheetDatasheet
  • Package

    SC-74A, SOT-753

  • In Stock

    33,360 piece(s)

  • Unit Price

    Please Contact Us

  • Lead Time

    Can Ship Immediately

Request for Quotation

  • Payment Methods

  • Delivery Services

Buck Regulator Positive Output Step-Down DC-DC Controller IC SOT-23-5

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LM1770UMF

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Specifications

Category Integrated Circuits (ICs) - Power Management PMIC - DC DC Switching Controllers
Manufacturer National Semiconductor
Series -
Packaging Bulk
RoHS Status
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 2.8V ~ 5.5V
Frequency - Switching 100kHz ~ 1MHz
Duty Cycle (Max) -
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features -
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Base Product Number LM1770
Grade -
Qualification -

Parts with Similar Specifications

Product Attribute LM1770UMF/NOPB LM1770UMFX/NOPB LM1770SMF/NOPB LM1770SMFX/NOPB
Part Number LM1770UMF/NOPB LM1770UMFX/NOPB LM1770SMF/NOPB LM1770SMFX/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
Description IC REG CTRLR BUCK SOT23-5 IC REG CTRLR BUCK SOT23-5 IC REG CTRLR BUCK SOT23-5 IC REG CTRLR BUCK SOT23-5
Series - - - -
Packaging Tape & Reel (TR)-->Cut Tape (CT) Tape & Reel (TR)-->Cut Tape (CT) Tape & Reel (TR)-->Cut Tape (CT) Tape & Reel (TR)

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 Orwintech 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 Use your express account for shipment if you have one. 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 Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support. Others more shipping ways, please get in touch with us.

Common Countries Logistic Time Reference

RegionCountryLogistic Time(Day)
AmericaUnited States5
Brazil7
EuropeGermany5
United Kingdom4
Ltaly5
OceaniaAustralia6
New Zealand5
AsiaIndia4
Japan4
Middle EastIsrael6

DHL & FedEx Shipment Charges Reference

Shipment charges(KG)Reference DHL(USD$)
0.00kg-1.00kgUSD$30.00 - USD$60.00
1.00kg-2.00kgUSD$40.00 - USD$80.00
2.00kg-3.00kgUSD$50.00 - USD$100

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.