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LM337D2TR4G

Negative Output Voltage range from -1.2V to -37V

Quantity Unit Price(USD) Ext. Price
1 $0.816 $0.82
10 $0.681 $6.81
30 $0.612 $18.36
100 $0.544 $54.40
500 $0.504 $252.00
800 $0.484 $387.20

Inventory:7,854

*The price is for reference only.
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Overview of LM337D2TR4G

The LM337D2TR4G is a 3-terminal adjustable negative voltage regulator capable of supplying in excess of 1.5A over an output voltage range of -1.2V to -37V. It requires only two external resistors to set the output voltage, making it highly versatile for various voltage regulation applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • ADJ: Adjustable Output
  • VIN: Input Voltage
  • VOUT: Regulated Output Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM337D2TR4G for a visual representation.

Key Features

  • Adjustable Output Voltage: Allows for a wide range of output voltage settings, providing flexibility in design.
  • High Output Current: Capable of supplying over 1.5A, suitable for power-hungry applications.
  • Internal Thermal Overload Protection: Includes built-in thermal shutdown and current limiting for device protection.
  • Wide Input Voltage Range: Accepts input voltages up to -40V, making it adaptable to various input sources.
  • Compact Packaging: Available in a small, surface-mount D2PAK-3 package for space-constrained designs.

Note: For detailed technical specifications, please refer to the LM337D2TR4G datasheet.

Application

  • Power Supply Regulation: Ideal for providing adjustable negative voltage regulation in power supply designs.
  • Voltage Reference: Can be used as a precise negative voltage reference in analog circuitry and instrumentation.
  • Audio Amplifiers: Suitable for biasing negative voltage rails in audio amplifier applications.

Functionality

The LM337D2TR4G is an adjustable negative voltage regulator capable of delivering high output currents while providing precise voltage regulation. It offers a reliable solution for various power supply and voltage reference needs.

Usage Guide

  • Adjust Output Voltage: Use the ADJ pin along with external resistors to set the desired output voltage.
  • Connect Input and Output: VIN is connected to the input voltage source, and VOUT provides the regulated negative output voltage.
  • Thermal Considerations: Ensure proper heat sinking for the LM337D2TR4G to manage thermal dissipation under high load conditions.

Frequently Asked Questions

Q: What is the maximum output voltage range of the LM337D2TR4G?
A: The LM337D2TR4G can provide output voltages in the range of -1.2V to -37V, limited by external resistor values.

Q: Can the LM337D2TR4G handle input voltages below -40V?
A: Yes, the LM337D2TR4G can accept input voltages as low as -40V, making it suitable for various input voltage levels.

Equivalent

For similar functionalities, consider these alternatives to the LM337D2TR4G:

  • LM337T: This is a through-hole version of the LM337 with similar adjustable negative voltage regulation capabilities.
  • LT1963AEDD: A low dropout negative voltage regulator offering comparable performance and adjustable output.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Status Active Compliance PbAHP
Package Type D2PAK-3 Case Outline 936-03
MSL Type 1 MSL Temp (°C) 260
Container Type REEL Container Qty. 800
ON Target N Output Single
Polarity Negative VO (V) Adj
IO Typ (A) 1.5 VI Min (V) 2.9
VI Max (V) -40 VDO Typ (V) 2.5
PSRR (dB) 77 Enable No
PowerGood No Application Industrial
Pricing ($/Unit) $0.5587

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