LR8K4-G

Linear Voltage Regulators 450V Adj 3 Termnl
5,042 有效庫存

LR8K4-G

有效庫存5,042

Linear Voltage Regulators 450V Adj 3 Termnl

  • 製造商零件號 # : LR8K4-G

  • 包裝/封裝: TO-252

  • 零件狀態 : ACTIVE

  • 製造商: Microchip Technology

  • 產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

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LR8K4-G 數據表
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詳細說明

The LR8K4-G is a versatile linear regulator designed for high voltage applications. With an impressive input voltage range of 13.2 - 450V, this regulator offers flexibility in meeting various voltage requirements. The output voltage can be adjusted within a wide range of 1.20 - 440V, making it suitable for a range of electronic devices. By utilizing external resistors R1 and R2, users can easily fine-tune the output voltage to their desired level

主要特徵

  • Futuristic storage solution for high-demand applications
  • Unparalleled performance and reliability
  • Power-efficient design for reduced heat generation
  • Advanced data compression technology

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。

Product Category ! Linear Voltage Regulators RoHS Details
Mounting Style SMD/SMT Package / Case TO-252
Number of Outputs 1 Output Polarity Positive
Output Voltage Adjustable Output Current ! 20 mA
Output Type Adjustable Input Voltage, Min 13.2 V
Input Voltage, Max 450 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 85 C Load Regulation ! 3 %
Line Regulation ! 0.01 %/V Brand Microchip Technology
Height 2.39 mm Length 6.73 mm
Moisture Sensitive Yes Pd - Power Dissipation 2.5 W
Product Type ! Linear Voltage Regulators PSRR / Ripple Rejection - Typ 60 dB
Factory Pack Quantity 2000 Subcategory PMIC - Power Management ICs
Width 6.1 mm Unit Weight 0.050089 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 LR8K4-G PDF 下載

常見問題解答

What is LR8K4-G?

The LR8K4-G is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable output voltage with low dropout voltage, making it ideal for applications where a clean and stable power supply is required.

How Does LR8K4-G Work?

The LR8K4-G works by regulating the input voltage to provide a constant output voltage regardless of variations in the input voltage or load conditions. It utilizes a feedback mechanism to adjust the output voltage, maintaining stability and accuracy even with fluctuations in input voltage and load current.

How Many Pins does LR8K4-G have and What are the Functions of the Pinout Configuration?

The LR8K4-G is available in various package options, such as SOT-223 and DPAK, which typically have three pins. The pinout configuration includes:

  • Input (VIN): Pin for connecting the input voltage.
  • Output (VOUT): Pin for accessing the regulated output voltage.
  • Ground (GND): Pin connected to the ground reference.

What are the Pros and Cons of LR8K4-G?

Pros:

  • Low Dropout Voltage: Provides a stable output even when the input voltage is close to the output voltage.
  • High PSRR (Power Supply Rejection Ratio): Filters out noise from the input supply, ensuring a clean output.
  • Thermal Shutdown Protection: Protects the regulator from overheating under high load conditions.
  • Short Circuit Protection: Safeguards the regulator and connected components in case of a short circuit.

Cons:

  • Heat Dissipation: May require a heat sink for better thermal management, especially at high load currents.
  • Quiescent Current: Consumes a small amount of current even when the load is minimal, affecting overall efficiency.

Are There Any Equivalents/Alternatives to LR8K4-G for Recommendation?

  • The LM2940 from Texas Instruments is a comparable LDO regulator with similar features.
  • Alternatives to the LR8K4-G include the ADP3336 from Analog Devices and the XC6206 from Torex Semiconductor.

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