• LM317EMP/NOPB SOT-223 (DCY)-4
LM317EMP/NOPB SOT-223 (DCY)-4

LM317EMP/NOPB

LM317EMP/NOPB is a versatile component that can be adjusted to meet various voltage requirements

Quantity Unit Price(USD) Ext. Price
1 $1.217 $1.22
10 $1.031 $10.31
30 $0.928 $27.84
100 $0.814 $81.40
500 $0.719 $359.50
1000 $0.696 $696.00

Inventory:4,990

*The price is for reference only.
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  • Part Number : LM317EMP/NOPB

  • Package/Case : SOT-223 (DCY)-4

  • Brands : TI

  • Components Categories : Voltage Regulators - Linear

  • Datesheet : LM317EMP/NOPB DataSheet (PDF)

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Overview of LM317EMP/NOPB

The LM317EMP/NOPB is an adjustable 3-terminal positive voltage regulator IC capable of providing output voltages ranging from 1.25V to 37V. It is designed to deliver up to 1.5A of output current with low dropout voltage, making it suitable for a wide range of applications.

Pinout

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

  • ADJ: Adjustable Pin for setting the output voltage
  • OUT: Output Pin
  • IN: Input Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM317EMP/NOPB IC for a visual representation.

Key Features

  • Adjustable Output: Allows for a wide range of output voltage settings.
  • High Output Current: Capable of delivering up to 1.5A of output current.
  • Low Dropout Voltage: Provides efficient regulation with low dropout voltage.
  • Thermal Overload Protection: Includes thermal shutdown and current limit protection features.
  • Wide Input Voltage Range: Operates with a wide input voltage range for flexibility in power supply designs.

Note: For detailed technical specifications, please refer to the LM317EMP/NOPB datasheet.

Application

  • Power Supply Regulation: Ideal for regulating power supply voltages in various electronic circuits.
  • Battery Charging: Suitable for battery charging applications requiring adjustable voltage outputs.
  • Voltage Regulation: Used in systems requiring precise voltage regulation for stable operation.

Functionality

The LM317EMP/NOPB is a versatile voltage regulator IC that provides adjustable output voltages, making it a crucial component in many electronic systems requiring stable power supplies.

Usage Guide

  • Adjustment: Connect the ADJ pin to set the desired output voltage within the specified range.
  • Input/Output: Connect the IN pin to the input voltage source and the OUT pin to the load for regulated output.

Frequently Asked Questions

Q: What is the dropout voltage of the LM317EMP/NOPB?
A: The LM317EMP/NOPB has a low dropout voltage, typically around 2.5V, ensuring efficient regulation even with small input-output differentials.

Q: Can the LM317EMP/NOPB handle higher output currents?
A: While the LM317EMP/NOPB is rated for up to 1.5A output current, for higher current applications, consider using parallel or higher-rated regulators.

Equivalent

For similar functionalities, consider these alternatives to the LM317EMP/NOPB:

  • L7805CV: This is a fixed 5V voltage regulator providing stable output voltage for various applications.
  • LM1117MPX-ADJ: An adjustable voltage regulator with similar features and performance to the LM317EMP/NOPB.

LM317EMP/NOPB

Specifications

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

Output options Adjustable Output Iout (max) (A) 1.5
Vin (max) (V) 40 Vin (min) (V) 3
Vout (max) (V) 37 Vout (min) (V) 1.2
Noise (µVrms) 35 Iq (typ) (mA) 5
Thermal resistance θJA (°C/W) 39 Rating Catalog, Military
Load capacitance (min) (µF) 0 Regulated outputs (#) 1
Accuracy (%) 5 PSRR at 100 KHz (dB) 40
Dropout voltage (Vdo) (typ) (mV) 2250 Operating temperature range (°C) 0 to 0, 0 to 125

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