LM376N

LM376N is a highly efficient voltage regulator chip with a wide input voltage range.
3,333 有效庫存

LM376N

有效庫存3,333

LM376N is a highly efficient voltage regulator chip with a wide input voltage range.

  • 製造商零件號 # : LM376N

  • 包裝/封裝: DIP-8

  • 製造商: NS

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

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LM376N 數據表
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詳細說明

LM376N is a voltage regulator designed for use in low power applications. It is a positive voltage regulator with an output voltage of 5V and a maximum output current of 100mA. The device is capable of operating over a wide input voltage range of 7V to 35V, making it suitable for a variety of different power supply designs.The LM376N features a fixed output voltage, eliminating the need for external components to set the output voltage. This simplifies the design process and reduces the overall cost of the circuit. The device also has built-in current limiting and thermal shutdown protection, ensuring safe operation under a variety of conditions.The LM376N is housed in a TO-92 package, making it easy to integrate into a variety of different circuit layouts. The device is also designed for ease of use, with a simple pinout and minimal external components required for operation.

主要特徵

  • Dual operational amplifier
  • High gain (100dB)
  • Wide bandwidth (1.3MHz)
  • Low input offset voltage (0.4mV)
  • Low input bias current (25nA)
  • Low input offset current (3nA)
  • Operating voltage range: ±15V

應用

  • Audio amplification
  • Headphone amplifiers
  • Portable gaming devices
  • Radio frequency transmitters
  • Signal conditioning circuits
  • Industrial control systems
  • Instrumentation amplifiers
  • Power supply regulation
  • Electronic musical instruments

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。

Rohs Code No Part Life Cycle Code Obsolete
Reach Compliance Code ECCN Code EAR99
HTS Code ! 8542.39.00.01 Adjustability ADJUSTABLE
Dropout Voltage1-Nom 3 V Input-Output Voltage Differential-Max 30 V
Input-Output Voltage Differential-Min 3 V JESD-30 Code R-PDIP-T8
JESD-609 Code e0 Length 9.8171 mm
Line Regulation-Max (%/V) 0.1 Load Regulation-Max(%) 0.5%
Number of Functions 1 Number of Outputs 1
Number of Terminals 8 Operating Temperature TJ-Max 70 °C
Operating Temperature TJ-Min Operating Temperature-Max 70 °C
Operating Temperature-Min Output Current1-Max 0.025 A
Output Voltage1-Max 37 V Output Voltage1-Min 5 V
Package Body Material PLASTIC/EPOXY Package Code DIP
Package Equivalence Code DIP8,.3 Package Shape RECTANGULAR
Package Style IN-LINE Qualification Status ! Not Qualified
Regulator Type ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR Seated Height-Max 5.08 mm
Surface Mount ! NO Technology BIPOLAR
Terminal Finish TIN LEAD Terminal Form ! THROUGH-HOLE
Terminal Pitch ! 2.54 mm Terminal Position DUAL
Width 7.62 mm

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 LM376N PDF 下載

常見問題解答

What is LM376N?

The LM376N is a voltage regulator IC (integrated circuit) designed by Texas Instruments. It is a low dropout (LDO) linear regulator that provides a stable output voltage despite variations in input voltage and load current. The LM376N is suitable for various applications including portable electronics, industrial instrumentation, and automotive systems.

How Does LM376N Work?

The LM376N works by maintaining a constant output voltage, typically at a lower level than the input voltage. It achieves this regulation by adjusting the pass transistor to compensate for changes in input voltage and load current, thereby ensuring a stable output. The low dropout voltage feature allows the IC to operate with minimal voltage headroom.

How Many Pins does LM376N have and What are the Functions of the Pinout Configuration?

The LM376N is available in a 5-lead TO-220 package. The pinout configuration includes:

  • Input: The input voltage is supplied to this pin for regulation.
  • GND: Ground pin for the IC.
  • Adjust: This pin allows for external voltage trimming and can be left floating for standard operation.
  • Output: The regulated output voltage is available through this pin.
  • Bypass: This pin is used for connecting an external bypass capacitor to improve stability and transient response.

What are the Pros and Cons of LM376N?

Pros:

  • Low Dropout Voltage: Can regulate the output voltage with minimal voltage headroom, improving efficiency.
  • Stable Output: Provides a stable output voltage despite input voltage and load variations.
  • Simple Design: The IC requires minimal external components for basic operation.
  • Thermal Protection: Includes built-in thermal shutdown protection for reliable operation.
  • Wide Application Range: Suitable for diverse electronic applications due to its versatility.

Cons:

  • Limited Current Capability: May not be suitable for high-current applications compared to other LDO regulators.
  • Heat Dissipation: Requires adequate heat sinking in high-power applications to prevent overheating.
  • External Capacitor Required: The bypass pin necessitates an external bypass capacitor for optimal stability.

Are There Any Equivalents/Alternatives to LM376N for Recommendation?

  • The LM2940 from Texas Instruments is a similar low dropout voltage regulator with different pinout and performance characteristics.
  • Alternatives to the LM376N include the LT1761 from Analog Devices and the MIC29302 from Microchip Technology.

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