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LM2577SX-ADJ/NOPB

Step-up regulator for input voltage of 3.5V to 40V

Quantity Unit Price(USD) Ext. Price
1 $3.635 $3.64
10 $3.153 $31.53
30 $2.770 $83.10
100 $2.479 $247.90
500 $2.347 $1,173.50
1000 $2.287 $2,287.00

Inventory:6,760

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Overview of LM2577SX-ADJ/NOPB

The LM2577SX-ADJ/NOPB is a versatile step-up (boost) voltage regulator IC capable of converting input voltages lower than the desired output voltage.It is designed to efficiently boost voltages for various applications,providing a reliable power conversion solution.

Pinout

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

  • VIN:Input Voltage
  • GND:Ground Connection
  • VOUT:Output Voltage
  • FB:Feedback Pin
  • SW:Switch Pin
  • VREF:Reference Voltage
  • VCC:Voltage Input


Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM2577SX-ADJ/NOPB IC for a visual representation.

Key Features

  • Versatile Step-Up Regulator:The LM2577SX-ADJ/NOPB can boost input voltages to higher output voltages,offering flexibility in power supply designs.
  • High Efficiency:This IC features high efficiency power conversion,making it suitable for applications requiring minimal power loss.
  • Adjustable Output:With an adjustable output voltage feature,the LM2577SX-ADJ/NOPB allows for customization based on specific application requirements.
  • Wide Input Voltage Range:Operates over a wide input voltage range,providing compatibility with various input sources.
  • Over-temperature Protection:Includes over-temperature protection to safeguard the IC during high-temperature operation.

Note:For detailed technical specifications,please refer to the LM2577SX-ADJ/NOPB datasheet.

Application

  • Battery-Powered Devices:Ideal for boosting battery voltages to power electronic devices efficiently.
  • LED Driver Circuits:Suitable for driving LED arrays by boosting lower voltages to meet LED operating requirements.
  • Portable Electronics:Used in portable electronic devices to boost voltages for different components.

Functionality

The LM2577SX-ADJ/NOPB is a step-up voltage regulator that efficiently converts lower input voltages to higher output voltages,making it a versatile solution for various power supply needs.

Usage Guide

  • Input Voltage:Apply the input voltage(VIN)to power the IC.
  • Output Voltage:Connect the output voltage(VOUT)to the load requiring the boosted voltage.
  • Adjustment:Use the feedback pin(FB)to adjust the output voltage as needed.

Frequently Asked Questions

Q:Can the LM2577SX-ADJ/NOPB handle high current applications?
A:The LM2577SX-ADJ/NOPB is designed to handle moderate current loads.For higher current requirements,consider parallel operation or alternative solutions.

Q:What is the efficiency of the LM2577SX-ADJ/NOPB under typical operating conditions?
A:The LM2577SX-ADJ/NOPB offers high efficiency levels,such as around 85-90%,under typical operating conditions.

Equivalent

For similar functionalities,consider these alternatives to the LM2577SX-ADJ/NOPB:

  • LM2587S-ADJ/NOPB:An alternative step-up voltage regulator IC with similar features and adjustable output.
  • LT1073CS8:This IC from Linear Technology offers comparable step-up voltage regulation capabilities with high efficiency.

Specifications

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

Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 3.5
Vin (max) (V) 40 Vout (min) (V) 1.23
Vout (max) (V) 60 Switch current limit (typ) (A) 3
Type Converter Regulated outputs (#) 1
Switching frequency (min) (kHz) 52 Switching frequency (max) (kHz) 52
Iq (typ) (mA) 10 Features Nonsynchronous rectification, UVLO Fixed
Duty cycle (max) (%) 95 Operating temperature range (°C) -40 to 125
Rating Catalog

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