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ADI LT8418ACBZ-R7 product image
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ADI LT8418ACBZ-R7RoHS

Manufacturer
ADI
MPN
LT8418ACBZ-R7
LCSC Part #
C22450844
Packaging
WLCSP-12
Customer #
Key Attributes
100V Half-Bridge GaN Driver with Smart Integrated Bootstrap Switch
Datasheetpdf iconADI LT8418ACBZ-R7
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QtyUnit Price(Reference Only)Total Amount
1+$ 12.5738$ 12.57
10+$ 10.9155$ 109.16
30+$ 9.9046$ 297.14
100+$ 9.0576$ 905.76
Standard Packaging250/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Gate Drivers
ManufacturerADI
PackagingWLCSP-12
Input Logic Level - Low-
Low Level Delay Time10ns
High Level Delay Time10ns
Quiescent Current250uA
Input Logic Level - High1.4V~2.4V
Operating Temperature-40℃~+125℃
Voltage - Supply3.85V~5.5V
Driven ConfigurationHalf-Bridge
Current - Output Low(IOL)8A
Rise Time2.5ns
Fall Time2.5ns
Current - Output High(IOH)4A
FeaturesUnder Voltage Protection;Built-in bootstrap diode;Over Voltage Protection
Load TypeMOSFET
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

The LT8418 is a 100V half-bridge GaN driver that integrates top and bottom driver stages, driver logic control, and protections. It can be configured into synchronous half-bridge, full-bridge topologies, or buck, boost, and buck-boost topologies. The LT8418 provides strong current sourcing/sinking capability with 0.6Ω pull-up and 0.2Ω pull-down resistance. It also integrates smart integrated bootstrap switch to generate a balanced bootstrap voltage from VCC with a minimum dropout voltage. The LT8418 provides split gate drivers to adjust the turnon and turn-off slew rates of GaN FETs to suppress ringing and optimize EMI performance. All driver inputs and outputs have default low-state to prevent GaN FETs from false turn-on. The inputs of the LT8418, INT, and INB are independent and TTL logic compatible. Meanwhile, the LT8418 performs with a fast propagation delay of 10ns and maintains an excellent delay matching of 1.5ns between the top and bottom channels, making it suitable for high-frequency DC-DC converters, motor drivers, and class-D audio amplifiers. In addition, the LT8418 employs the WLCSP package to minimize parasitic inductance, enabling its wide use in highperformance and high-power density applications.

Features

AI Translation
  • Half-Bridge Gate Driver for GaN FETs
  • 0.6Ω Pull-Up Resistance at Top Gate Driver
  • 0.2Ω Pull-Down Resistance at Bottom Gate Driver
  • 4A Peak Source, 8A Peak Sink Current Capability
  • Smart Integrated Bootstrap Switch
  • Split-Gate-Driver to Adjust Turn-On/Turn-Off Strength
  • Default Low-State for All Driver Inputs and Outputs
  • Maximum 15V Voltage Rating at INT and INB Inputs
  • Independent INT, INB Inputs with TTL Logic Compatible
  • Fast Propagation Delay: 10ns (Typical)
  • Propagation Delay Matching: 1.5ns (Typical)
  • Balanced Driver Supply Voltage: VBST≈VCC = 3.85V - 5.5V
  • Undervoltage and Overvoltage Lockout Protections
  • Small 12-Ball WLCSP Package

Applications

AI Translation
  • High Frequency DC-DC Switching Power Converters
  • Half-Bridge, Full-Bridge, Push-Pull Converters
  • Data Center Power Supplies
  • Motor Drivers, Class-D Audio Amplifiers
  • Consumer, Industrial, and Automotive