LM2842YMK-ADJL/NOPB

Conv DC-DC 4.5V to 42V Step Down Single-Out 0.765V to 34V 0.6A 6-Pin TSOT-23 T/R
4,580 有效庫存

LM2842YMK-ADJL/NOPB

有效庫存4,580

Conv DC-DC 4.5V to 42V Step Down Single-Out 0.765V to 34V 0.6A 6-Pin TSOT-23 T/R

  • 製造商零件號 # : LM2842YMK-ADJL/NOPB

  • 包裝/封裝: SOT23-6

  • 製造商: Texas Instruments

  • 產品分類 : Voltage Regulators - DC DC Switching Regulators

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詳細說明

Designed for different load currents, the LM2840, LM2841, and LM2842 handle up to 100 mA, 300 mA, and 600 mA respectively, with a 0.765 V feedback voltage. In addition to their performance specifications, these regulators come equipped with essential protection features such as thermal shutdown, input undervoltage lockout, and gate-drive undervoltage lockout for added reliability

主要特徵

  • The LM28 series offers a range of synchronous buck regulators
  • LM28 regulators provide adjustable output voltage and high efficiency
  • Advanced features include thermal shutdown and overcurrent protection
  • Synchronous switching reduces ripple and improves noise performance
  • Fault tolerance and diagnostic capabilities ensure reliable operation
  • Compact MSOP package makes it easy to integrate into designs

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Vin (min) (V) 4.5 Vin (max) (V) 42
Vout (min) (V) 0.765 Vout (max) (V) 34
Iout (max) (A) 0.6 Iq (typ) (mA) 1.3
Switching frequency (min) (kHz) 950 Switching frequency (max) (kHz) 1500
Features Enable, Over Current Protection Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode current mode Duty cycle (max) (%) 94
Type Converter

常見問題解答

What is LM2842YMK-ADJL/NOPB?

The LM2842YMK-ADJL/NOPB is an adjustable output voltage, step-down DC-DC switching regulator designed by Texas Instruments. It is ideal for applications requiring efficient power conversion, such as power supplies, industrial controls, and automotive systems.

How Does LM2842YMK-ADJL/NOPB Work?

The LM2842YMK-ADJL/NOPB operates as a step-down switching regulator, converting a higher input voltage to a lower output voltage with high efficiency. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The regulator features a wide input voltage range and a programmable output voltage through external resistor divider networks.

How Many Pins does LM2842YMK-ADJL/NOPB have and What are the Functions of the Pinout Configuration?

The LM2842YMK-ADJL/NOPB is housed in a 10-pin MSOP (Mini Small Outline Package) package. The pinout configuration includes:

  • VIN: Input voltage pin.
  • SW: Switch node for the internal power switch.
  • PWRGD: Power good indicator output.
  • FB: Feedback input for voltage regulation.
  • AGND, PGND: Analog and power ground pins, respectively.
  • SS/TR: Soft-start/tracking control pin.
  • EN: Enable input pin.
  • PGOOD: Power good output pin.
  • VOUT: Output voltage pin.

What are the Pros and Cons of LM2842YMK-ADJL/NOPB?

Pros:

  • Efficiency: Operates with high efficiency, reducing power dissipation.
  • Adjustable Output: Allows for adjustable output voltage to suit different application requirements.
  • Wide Input Voltage Range: Supports a wide range of input voltages for versatility.
  • Compact Size: The MSOP package is space-saving, suitable for compact designs.
  • Protection Features: Includes protection against overcurrent and thermal shutdown for reliability.

Cons:

  • External Components: May require external components for proper operation and filtering.
  • Design Complexity: Switching regulators require careful consideration of layout and component selection for optimal performance.

Are There Any Equivalents/Alternatives to LM2842YMK-ADJL/NOPB for Recommendation?

  • The LM2841 from Texas Instruments is a similar adjustable output switching regulator.
  • Alternatives to the LM2842YMK-ADJL/NOPB include the LT1376 from Analog Devices and the LM2675 from Texas Instruments.

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