Manufacturer Part Number
LT4321IUF#PBF
Manufacturer
Analog Devices
Introduction
Power management integrated circuit (PMIC) designed for Power Over Ethernet (PoE) applications featuring ideal diode bridge controller.
Product Features and Performance
Ideal diode bridge controller
Operates with a wide voltage supply range (20V ~ 80V)
Designed for low power consumption with only 32 µA supply current
Supports N-Channel MOSFETs
Eliminates the need for large heat sinks due to lower power dissipation
Surface mount, 16-WQFN Exposed Pad for compact footprint
Product Advantages
Efficient power usage and reduced heat generation
Extended operating temperature range suitable for industrial environments
Improves system reliability by reducing the number of components
Frees up PCB space due to compact design
Key Technical Parameters
FET Type: N-Channel
Ratio - Input:Output: Bridge (2)
Current - Supply: 32 µA
Voltage - Supply: 20V ~ 80V
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 16-WQFN Exposed Pad
Supplier Device Package: 16-QFN (4x4)
Quality and Safety Features
Built to operate reliably in extreme temperature conditions
Adherence to stringent quality standards of Analog Devices
Compatibility
Designed to be compatible with a wide range of PoE applications and N-Channel MOSFETs
Application Areas
Recommended for Power Over Ethernet (PoE) applications in industrial and telecom systems
Product Lifecycle
Active product status indicates ongoing manufacture and availability
Long-term support with no immediate discontinuation expected
Several Key Reasons to Choose This Product
Wide input voltage range accommodates various PoE standards and custom applications
Low quiescent current enhances overall system efficiency, especially beneficial in PoE
High-temperature operation range makes it suitable for harsh environments
The efficiency of the ideal diode controller minimizes the need for cooling solutions
Ease of integration with standard surface mount processes
Analog Devices' reputation for reliability and performance in power management solutions