L4977A

Mfr. #: L4977A
Manufacturer: STMicroelectronics
Description: Voltage Regulators - Switching Regulators 5.1 to 40V 7.0 Amp
Lifecycle: New from this manufacturer.
Datasheet: L4977A Datasheet
Due to semiconductor in short supply from 2021,below price is the Normal price before 2021.please send inquire to confirm.
Product Details
L4977A Overview

Product belongs to the L4977 series. Type: Step-Down Tube is the packaging method for this product Through Hole Mounting-Style MULTIWATT-15 Operational temperature range: -40°C ~ 150°C (TJ) Through Hole mounting type Output-Type: Adjustable Product function is Step-Down. Supplier device package: 15-Multiwatt Number-of-Outputs: 1 Topology: Buck feedback This product features 'Frequency-Switching' at 200kHz ~ 500kHz for optimal performance. The Positive. Minimum fixed output voltage is 5.1V . The value of No is included as a product attribute. The minimum input voltage is 15V. The 50V. Maximum operating temperature of + 150 C Minimum operating temperature: - 40 C Output voltage: 40 V Maximum Input Voltage: 50 V Output current: 150 uA Switching frequency is 200 kHz The product's 15 V is 5.1 V. Load regulation is 10 mV.

L4977A Image

L4977A

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

L4977A Specifications
  • Manufacturer STMicroelectronics
  • Product Category PMIC - Voltage Regulators - DC DC Switching Regulators
  • Series L4977
  • Type Step-Down
  • Packaging Tube
  • Mounting-Style Through Hole
  • Package-Case MULTIWATT-15
  • Operating-Temperature -40°C ~ 150°C (TJ)
  • Mounting-Type Through Hole
  • Output-Type Adjustable
  • Function Step-Down
  • Supplier-Device-Package 15-Multiwatt
  • Number-of-Outputs 1
  • Topology Buck
  • Frequency-Switching 200kHz ~ 500kHz
  • Current-Output 7A
  • Output-Configuration Positive
  • Voltage-Output-Min-Fixed 5.1V
  • Voltage-Output-Max 40V
  • Synchronous-Rectifier No
  • Voltage-Input-Min 15V
  • Voltage-Input-Max 50V
  • Maximum-Operating-Temperature + 150 C
  • Minimum-Operating-Temperature - 40 C
  • Output-Voltage 40 V
  • Input-Voltage-MAX 50 V
  • Output-Current 150 uA
  • Switching-Frequency 200 kHz
  • Input-Voltage-MIN 15 V
  • Load-Regulation 10 mV

L4977A

L4977A Specifications

L4977A FAQ
  • A: What is the Series of the product?

    Q: The Series of the product is L4977.

  • A: What is the Type of the product?

    Q: The Type of the product is Step-Down.

  • A: At what frequency does the Packaging?

    Q: The product Packaging is Tube.

  • A: What is the Mounting-Style of the product?

    Q: The Mounting-Style of the product is Through Hole.

  • A: Is the cutoff frequency of the product Package-Case?

    Q: Yes, the product's Package-Case is indeed MULTIWATT-15

  • A: At what frequency does the Operating-Temperature?

    Q: The product Operating-Temperature is -40°C ~ 150°C (TJ).

  • A: At what frequency does the Mounting-Type?

    Q: The product Mounting-Type is Through Hole.

  • A: At what frequency does the Output-Type?

    Q: The product Output-Type is Adjustable.

  • A: At what frequency does the Function?

    Q: The product Function is Step-Down.

  • A: At what frequency does the Supplier-Device-Package?

    Q: The product Supplier-Device-Package is 15-Multiwatt.

  • A: Is the cutoff frequency of the product Number-of-Outputs?

    Q: Yes, the product's Number-of-Outputs is indeed 1

  • A: What is the Topology of the product?

    Q: The Topology of the product is Buck.

  • A: Is the cutoff frequency of the product Frequency-Switching?

    Q: Yes, the product's Frequency-Switching is indeed 200kHz ~ 500kHz

  • A: At what frequency does the Output-Configuration?

    Q: The product Output-Configuration is Positive.

  • A: At what frequency does the Voltage-Output-Min-Fixed?

    Q: The product Voltage-Output-Min-Fixed is 5.1V.

  • A: Is the cutoff frequency of the product Synchronous-Rectifier?

    Q: Yes, the product's Synchronous-Rectifier is indeed No

  • A: What is the Voltage-Input-Min of the product?

    Q: The Voltage-Input-Min of the product is 15V.

  • A: What is the Voltage-Input-Max of the product?

    Q: The Voltage-Input-Max of the product is 50V.

  • A: What is the Maximum-Operating-Temperature of the product?

    Q: The Maximum-Operating-Temperature of the product is + 150 C.

  • A: What is the Minimum-Operating-Temperature of the product?

    Q: The Minimum-Operating-Temperature of the product is - 40 C.

  • A: What is the Output-Voltage of the product?

    Q: The Output-Voltage of the product is 40 V.

  • A: At what frequency does the Input-Voltage-MAX?

    Q: The product Input-Voltage-MAX is 50 V.

  • A: What is the Output-Current of the product?

    Q: The Output-Current of the product is 150 uA.

  • A: At what frequency does the Switching-Frequency?

    Q: The product Switching-Frequency is 200 kHz.

  • A: What is the Input-Voltage-MIN of the product?

    Q: The Input-Voltage-MIN of the product is 15 V.

  • A: Is the cutoff frequency of the product Load-Regulation?

    Q: Yes, the product's Load-Regulation is indeed 10 mV

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