MAX20006

36V, 220kHz to 2.2MHz, 4A/6A/8A Fully Integrated Automotive Step-Down Converters

Industry's Smallest High Power Step Down Converter with High Efficiency


Please check latest availability status for a specific part variant.

Description

The MAX20004/MAX20006/MAX20008 are small, synchronous, automotive buck converter devices with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3.5V to 36V, while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.

The devices offer fixed output voltages of 5V and 3.3V, along with the ability to program the output voltage between 1V and 10V. Frequency is resistor programmable from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency PWM mode (FPWM) and skip mode with ultra-low quiescent current. The devices can be factory programmed to enable spread-spectrum switching to reduce EMI.

The MAX20004/MAX20006/MAX20008 are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.

MAX20004, MAX20006, MAX20008: Typical Application Circuit MAX20004, MAX20006, MAX20008: Typical Application Circuit Enlarge+

Key Features

  • Multiple Functions for Small Size
    • Operating VIN Range of 3.5V to 36V
    • 25µA Quiescent Current in Skip Mode
    • Synchronous DC-DC Converter with Integrated FETs
    • 220kHz to 2.2MHz Adjustable Frequency
    • Fixed 5ms Internal Soft-Start
    • Programmable 1V to 10V Output, or 3.3V and 5.0V Fixed-Output Options Available
    • 98% Duty-Cycle Operation with Low Dropout
    • Active-low RESET output
  • High Precision
    • ±2% Output-Voltage Accuracy
    • Good Load-Transient Performance
  • Robust for the Automotive Environment
    • Current-Mode, Forced-PWM and Skip Operation
    • Overtemperature and Short-Circuit Protection
    • 3.5mm x 3.75mm 17-Pin FC2QFN
    • -40°C to +125°C Operating Temperature Range
    • 40V Load-Dump Tolerant
    • AEC-Q100 Qualified

Applications/Uses

  • Distributed DC Power Systems
  • Navigation and Radio Head Units
  • Point-of-Load Applications in Automotive
Part NumberVIN
(V)
VIN
(V)
VOUT1
(V)
VOUT1
(V)
Preset VOUT
(V)
Output Adjust. MethodIOUT1
(A)
Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX20004 NEW!3.540110
3.3
5
Preset
Resistor
4InternalYesYes1
220
2100
EE-Sim
FC2QFN/17
$1.67 @1k
MAX20006 NEW!6
FC2QFN/17
-
MAX20008 NEW!8
FC2QFN/17
$1.88 @1k
See All Step-Down Switching Regulators (358)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX20006EVKIT: Evaluation Kit for the MAX20004, MAX20006, and MAX20008
MAX20008EVKIT: Evaluation Kit for the MAX20004, MAX20006, and MAX20008

Tools & Models

  • EE-Sim: Design & Simulate MAX20006
  • MAX20006 SIMPLIS Schematic
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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