LTC4449IDCB

LTC4449IDCB

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LTC4449IDCB
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$35.83

Price update:a months ago
Available in stock: 3949
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Analog Devices Inc.

Analog Devices Inc.

Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.

View All Product from Analog Devices Inc.
LTC4449IDCB Products

The LTC4449IDCB is a high frequency gate driver that is designed to drive two N-Channel MOSFETs in a synchronous DC/DC converter. The powerful rail-to-rail driver capability reduces switching losses in MOSFETs with high gate capacitance.

The LTC4449IDCB features a separate supply for the input logic to match the signal swing of the controller IC. If the input signal is not being driven, the LTC4449IDCB activates a shutdown mode that turns off both external MOSFETs. The input logic signal is internally level-shifted to the bootstrapped supply, which functions at up to 42V above ground.

The LTC4449IDCB contains undervoltage lockout circuits on both the driver and logic supplies that turn off the external MOSFETs when an undervoltage condition is present. An adaptive shoot-through protection feature is also built-in to prevent the power loss resulting from MOSFET cross-conduction current.

The LTC4449IDCB is available in the 2mm × 3mm DFN package.

Feature

  • 4V to 6.5V VCC Operating Voltage
  • 38V Maximum Input Supply Voltage
  • Adaptive Shoot-Through Protection
  • Rail-to-Rail Output Drivers
  • 3.2A Peak Pull-Up Current
  • 4.5A Peak Pull-Down Current
  • 8ns TG Rise Time Driving 3000pF Load
  • 7ns TG Fall Time Driving 3000pF Load
  • Separate Supply to Match PWM Controller
  • Drives Dual N-Channel MOSFETs
  • Undervoltage Lockout
  • Low Profile (0.75mm) 2mm × 3mm DFN Package

Applications

  • Distributed Power Architectures
  • High Density Power Modules

Product Attributes

TYPE DESCRIPTION Select all
Voltage - Supply 4V ~ 6.5V
Logic Voltage - VIL, VIH 3V, 6.5V
Current - Peak Output (Source, Sink) 3.2A, 4.5A
Input Type Non-Inverting
Package Tube
High Side Voltage - Max (Bootstrap) 42 V
Product Status Obsolete
Rise / Fall Time (Typ) 8ns, 7ns
Programmable Not Verified
Operating Temperature -40°C ~ 125°C (TJ)
Driven Configuration Half-Bridge
Mounting Type Surface Mount
Channel Type Synchronous
Package / Case 8-WFDFN Exposed Pad
Number of Drivers 2
Supplier Device Package 8-DFN (2x3)
Gate Type N-Channel MOSFET

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$35.83

Price update:a months ago
Available in stock: 3949
Analog Devices Inc.

Analog Devices Inc.

Analog Devices (NASDAQ: ADI) leads in crafting high-performance analog, mixed-signal, and digital signal processing integrated circuits. For decades, they've tackled signal processing challenges across global electronics. With over 100,000 clients, their products convert real-world phenomena into electrical signals. Merged with Maxim Integrated, they offer top-tier mixed-signal and power management technologies, solving complex problems from DC to 100 GHz and sensor to cloud.

View All Product from Analog Devices Inc.

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