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LTC1878EMS8

DC-DC synchronous step down converter LTC1878EMS8 with input voltage range of 2

Inventory:7,824

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Overview of LTC1878EMS8

The LTC1878EMS8 is a high efficiency, 2.25MHz synchronous buck-boost DC/DC converter with an extended input and output range. It can deliver continuous output currents of up to 2A with input voltages above, below, or equal to the output 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.)

  • VIN: Input Voltage Pin
  • LX: Inductor Connection Pin
  • SW: Switching Node
  • PG: Power Good Indicator Output
  • VIN: Input Supply Voltage Connection
  • FB: Feedback Voltage Input
  • SS/TR: Soft-Start/Tracking Input
  • GND: Ground Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LTC1878EMS8 for a visual representation.

Key Features

  • Wide Input and Output Range: The LTC1878EMS8 supports an extended input and output voltage range, offering flexibility in various power supply designs.
  • High Efficiency: With synchronous rectification, this DC/DC converter achieves high efficiency over a wide range of operating conditions.
  • Low Quiescent Current: Features low quiescent current in discontinuous mode, maximizing efficiency in low-power applications.
  • Programmable Fixed Frequency: Allows the user to program the switching frequency for optimization of efficiency and external component size.
  • Power Good Output: Provides a power good indicator for proper system operation monitoring.

Note: For detailed technical specifications, please refer to the LTC1878EMS8 datasheet.

Application

  • Battery-Powered Systems: Suitable for battery-powered devices requiring a wide input voltage range.
  • Industrial Power Supplies: Ideal for power supply applications in industrial settings with varying input voltages.
  • Automotive Electronics: Can be used in automotive systems with extended input and output voltage requirements.

Functionality

The LTC1878EMS8 is a versatile synchronous buck-boost DC/DC converter designed to provide high efficiency power conversion for a wide range of input and output voltage configurations, making it suitable for diverse application scenarios.

Usage Guide

  • Input Power: Connect VIN (Pin 1) to the input power source within the specified voltage range.
  • Output Load: Connect the load to the output terminal, ensuring compatibility with the converter's output range.
  • Programmable Frequency: Utilize the SS/TR pin to configure the soft-start/tracking function for the desired external component sizing and efficiency optimization.

Frequently Asked Questions

Q: What is the maximum output current of the LTC1878EMS8?
A: The LTC1878EMS8 can deliver continuous output currents of up to 2A.

Q: Can the LTC1878EMS8 be used for both step-up and step-down conversions?
A: Yes, the LTC1878EMS8 is a buck-boost converter capable of handling input voltages above, below, or equal to the output voltage, enabling both step-up and step-down conversions.

Equivalent

For similar functionalities, consider these alternatives to the LTC1878EMS8:

  • LTC3112EUFD: This is a high efficiency, 2.5MHz synchronous buck-boost DC/DC converter with an extended input and output voltage range, offering comparable performance to the LTC1878EMS8.
  • LT8390IS6#PBF: Another high efficiency synchronous buck-boost DC/DC converter providing similar functionality to the LTC1878EMS8, suitable for alternative design considerations.

Specifications

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

Product Category Switching Voltage Regulators RoHS No -RoHS Version Available
Mounting Style SMD/SMT Package / Case MSOP-8
Topology Buck Output Voltage 800 mV to 6 V
Output Current 600 mA Number of Outputs 1 Output
Input Voltage, Min 2.65 V Input Voltage, Max 6 V
Switching Frequency 550 kHz Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Series LTC1878
Brand Analog Devices Operating Supply Current 10 uA
Product Type Switching Voltage Regulators Subcategory PMIC - Power Management ICs

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LTC1878EMS8

DC-DC synchronous step down converter LTC1878EMS8 with input voltage range of 2

Inventory:

7,824