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LT8640IUDC#PBF

Low Power Consumption Silent Switcher

Inventory:5,441

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Overview of LT8640IUDC#PBF

The LT8640IUDC#PBF is a high-efficiency synchronous step-down regulator IC that features a wide input voltage range and low quiescent current. It is designed to deliver precise regulation of output voltage for various power supply applications, making it suitable for use in a wide range of electronic devices.

Pinout

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

  • VIN: Input supply voltage
  • VOUT: Regulated output voltage
  • GND: Ground connection
  • SW: Switching node for the internal power switch
  • FB: Feedback pin for output voltage regulation
  • SYNC: Synchronization input for external clock signal
  • PGOOD: Power OK indicator
  • SS/TRK: Soft-start/Tracking control
  • BOOT: Bootstrap capacitor connection
  • COMP: Compensation pin for loop stability
  • UVLO: Under Voltage LockOut pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LT8640IUDC#PBF IC for a visual representation.

Key Features

  • High Efficiency: The LT8640IUDC#PBF offers high efficiency conversion for energy-saving applications.
  • Wide Input Voltage Range: Operates efficiently over a wide input voltage range, enhancing versatility in power supply designs.
  • Low Quiescent Current: Features low quiescent current for minimal power consumption in standby mode.
  • Precise Regulation: Provides precise regulation of output voltage for stable operation of connected devices.
  • Compact Package: Housed in a small and space-saving package for easy integration into compact designs.

Note: For detailed technical specifications, please refer to the LT8640IUDC#PBF datasheet.

Application

  • Power Supply Modules: Ideal for use in power supply modules requiring high efficiency and precise voltage regulation.
  • Battery-Powered Devices: Suitable for battery-powered devices that require efficient power conversion and low standby power consumption.
  • Industrial Applications: Used in various industrial applications for reliable power delivery and regulation.

Functionality

The LT8640IUDC#PBF is a synchronous step-down regulator that efficiently converts input voltage to a stable output voltage, ensuring reliable power supply for electronic systems.

Usage Guide

  • Connection: Connect VIN (Input) and GND (Ground) to the respective power sources and ground connections.
  • Output Regulation: Adjust the FB pin to set the desired output voltage level based on application requirements.
  • Synchronization: Optionally synchronize the regulator by applying an external clock signal to the SYNC pin for specific applications.

Frequently Asked Questions

Q: What is the efficiency rating of the LT8640IUDC#PBF?
A: The LT8640IUDC#PBF offers high efficiency levels, typically above 90% under nominal operating conditions.

Q: Is the LT8640IUDC#PBF suitable for automotive applications?
A: Yes, the LT8640IUDC#PBF is designed to meet automotive requirements and can be used in automotive power supply systems.

Equivalent

For similar functionalities, consider these alternatives to the LT8640IUDC#PBF:

  • LT8609S: Another high-efficiency synchronous step-down regulator IC from Analog Devices with comparable features and performance.
  • LTC3633: This IC from Linear Technology offers similar efficiency and input voltage range as the LT8640IUDC#PBF for various power supply applications.

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 Details
Output Voltage 970 mV to 41.9 V Output Current 5 A
Input Voltage, Max 42 V Number of Outputs 1 Output
Topology Buck Package / Case QFN-18
Mounting Style SMD/SMT Switching Frequency 200 kHz to 3 MHz
Quiescent Current 1.7 uA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Series LT8640
Input Voltage, Min 3.4 V Brand Analog Devices
Development Kit DC2202A Input Voltage 3.4 V to 42 V
Operating Supply Current 1.7 uA Product Type Switching Voltage Regulators
Shutdown Shutdown Factory Pack Quantity 91
Subcategory PMIC - Power Management ICs Supply Voltage - Min 3.4 V
Type Switching Regulator Unit Weight 0.009524 oz

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Warranty, Returns, and Additional Information

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LT8640IUDC#PBF

Low Power Consumption Silent Switcher

Inventory:

5,441