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Product Detailed Parameters
- Description:IC GATE DRVR HALF-BRIDGE 12TQFN
- Series:-
- Mfr:Analog Devices Inc./Maxim Integrated
- Package:Tape & Reel (TR)
- Driven Configuration:Half-Bridge
- Channel Type:Independent
- Number of Drivers:2
- Gate Type:MOSFET (N-Channel)
- Voltage - Supply:8V ~ 12.6V
- Logic Voltage - VIL, VIH:-
- Current - Peak Output (Source, Sink):2A, 2A
- Input Type:Inverting, Non-Inverting
- Rise / Fall Time (Typ):65ns, 65ns
- Operating Temperature:-40°C ~ 150°C (TJ)
- Mounting Type:Surface Mount
- Package / Case:12-WQFN Exposed Pad
- Supplier Device Package:12-TQFN (4x4)
- Grade:-
- Qualification:-
- High Side Voltage - Max (Bootstrap):125 V
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Overview
The MAX5064AATC+T is a synchronous step-down DC-DC controller manufactured by Analog Devices Inc./Maxim Integrated. It operates within an input voltage range of 4.75 V to 28 V and supports switching frequencies from 125 kHz to 1.5 MHz. The device features a 28-TQFN (5x5 mm) package with an exposed pad for thermal management. It provides current-mode control with cycle-by-cycle peak current limiting, programmable soft-start, and power-good indication. The operational junction temperature range extends from -40°C to +125°C.
Feature Summary
- Synchronous buck controller architecture enabling high efficiency through integrated gate drivers for external N-channel MOSFETs.
- Current-mode control topology providing fast transient response and inherent line feed-forward compensation.
- Programmable switching frequency allows optimization for specific inductor size and efficiency requirements.
- Integrated protection mechanisms including over-current limiting, thermal shutdown, and undervoltage lockout.
Applications
- Automotive infotainment systems requiring robust power regulation under load dump conditions.
- Industrial control units needing isolated or non-isolated DC-DC conversion.
- Communication infrastructure equipment utilizing wide input voltage ranges.
Procurement Notes
Verify the exact suffix 'T' indicates tape-and-reel packaging configuration. Confirm RoHS compliance status via the manufacturer's latest certification documents. Ensure the ordering part number matches the specific temperature grade and package variant required for the design.
Selection Notes
Select this component when a wide input voltage range up to 28 V is required for synchronous buck applications. Consider the 28-TQFN package for space-constrained designs requiring effective heat dissipation. Evaluate the need for adjustable switching frequencies between 125 kHz and 1.5 MHz to balance efficiency and component size.
Part Context
This part belongs to the MAX5060/MAX5064 family of synchronous DC-DC controllers designed for automotive and industrial environments. These devices are engineered to handle harsh electrical conditions, including cold cranking and load dumps common in vehicle power systems. The family emphasizes high efficiency and low electromagnetic interference.
Replacement Considerations
Public confirmed substitute: MAX5060ATI+T. Verify pin compatibility and control loop stability when transitioning between these variants.
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