LM337BD2TR4G

有效庫存4,359

Linear Voltage Regulator, 1.5 A, High PSRR, Adjustable, Negative TJ = -40° to +125°C, 3 LEAD D2PAK, 800-REEL

  • 製造商零件號 # : LM337BD2TR4G

  • 包裝/封裝: D2PAK

  • 製造商: Onsemi

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

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LM337BD2TR4G 數據表

價格 (USD)

數量 單價 總價
1 $0.725 $0.72
10 $0.602 $6.02
30 $0.541 $16.23
100 $0.479 $47.90
500 $0.444 $222.00
800 $0.424 $339.20

這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。

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詳細說明

The LM337BD2TR4G voltage regulator IC from ON Semiconductor is a versatile component that offers precise negative voltage regulation for a variety of applications. Its adjustable output voltage capability, ranging from -1.25 volts to -37 volts, allows for flexibility in designing power supplies, voltage regulators, and battery chargers. With a maximum output current of 1.5 amps, it can handle low to moderate power requirements effectively

主要特徵

  • Pin Compatible with LM137
  • Operating Junction Temperature up to 150°C
  • Low Dropout Voltage Regulator
  • Flexible Output Current Adjustable from 1A to 3A
  • No External Diodes Required for Reverse Battery Protection
  • Suitable for Medical, Automotive and Industrial Applications

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。

Pbfree Code Yes Part Life Cycle Code Active
Part Package Code 3 LEAD D2PAK Pin Count ! 3
Reach Compliance Code not_compliant ECCN Code EAR99
HTS Code ! 8542.39.00.01 Factory Lead Time 59 Weeks
Adjustability ADJUSTABLE Dropout Voltage1-Nom 3 V
Input-Output Voltage Differential-Max 40 V Input-Output Voltage Differential-Min 3 V
JESD-30 Code R-PSSO-G2 JESD-609 Code e3
Length 10.02 mm Line Regulation-Max (%/V) 0.07
Load Regulation-Max(%) 1.5% Moisture Sensitivity Level 1
Number of Functions 1 Number of Outputs 1
Number of Terminals 2 Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C Output Current1-Max 1.5 A
Output Voltage1-Max 37 V Output Voltage1-Min 1.2 V
Package Body Material PLASTIC/EPOXY Package Code TO-263
Package Equivalence Code SMSIP3H,.55TB Package Shape RECTANGULAR
Package Style SMALL OUTLINE Packing Method TR
Peak Reflow Temperature (Cel) 260 Qualification Status ! Not Qualified
Regulator Type ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR Seated Height-Max 4.576 mm
Surface Mount ! YES Technology BIPOLAR
Terminal Finish MATTE TIN Terminal Form ! GULL WING
Terminal Pitch ! 2.54 mm Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30 Width 9.1945 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 LM337BD2TR4G PDF 下載

常見問題解答

What is LM337BD2TR4G?

The LM337BD2TR4G is an adjustable negative voltage regulator integrated circuit (IC) manufactured by ON Semiconductor. It is designed for regulating output voltages below the reference voltage with high accuracy and stability. The LM337BD2TR4G is commonly used in power supply applications where a negative voltage output is required.

How Does LM337BD2TR4G Work?

The LM337BD2TR4G operates as a negative voltage regulator, providing a regulated negative output voltage relative to the adjustable reference voltage. It uses an internal feedback loop to maintain the output voltage at a precise level, even with varying load conditions. The regulator can be adjusted to produce different output voltages below the reference voltage.

How Many Pins does LM337BD2TR4G have and What are the Functions of the Pinout Configuration?

The LM337BD2TR4G comes in a 3-pin D2PAK (TO-263) package. The pinout configuration includes:

  • Vin: Input voltage pin.
  • Vout: Regulated negative output voltage pin.
  • GND: Ground pin.

What are the Pros and Cons of LM337BD2TR4G?

Pros:

  • Negative Voltage Regulation: Ideal for applications requiring a stable negative voltage output.
  • Adjustable Output: Allows flexibility in setting the desired output voltage level.
  • High Accuracy: Provides precise voltage regulation for sensitive electronics.
  • Thermal Shutdown: Built-in thermal shutdown protection prevents the IC from overheating.

Cons:

  • Current Limitation: Limited output current capability compared to higher-power regulators.
  • Heat Dissipation: May require a heat sink for applications with high power dissipation.

Are There Any Equivalents/Alternatives to LM337BD2TR4G for Recommendation?

  • The LM7905 from Texas Instruments is a fixed negative voltage regulator alternative to the LM337BD2TR4G.
  • Alternatives to the LM337BD2TR4G include the LT1963A from Analog Devices and the MIC29150 from Microchip Technology.

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