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MAXIM MAX20078ATE+TRoHS

Manufacturer
MAXIM
MPN
MAX20078ATE+T
LCSC Part #
C2679291
Packaging
TQFN-16-EP(3x3)
Customer #
Key Attributes
High-voltage synchronous n-channel MOSFET controller
Datasheetpdf iconMAXIM MAX20078ATE+T
In-Stock: 688
688 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 4.1442$ 3.8956$ 3.90
10+$ 3.5937$ 3.3781$ 33.78
30+$ 3.2657$ 3.0698$ 92.09
100+$ 2.8126$ 2.6439$ 264.39
500+$ 2.6583$ 2.4988$ 1249.40
1,000+$ 2.5901$ 2.4347$ 2434.70
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerMAXIM
PackagingTQFN-16-EP(3x3)
FeaturesOver Voltage Protection;Short Circuit Protection;LED open-circuit protection;Over-Temperature Protection (OTP)
Frequency - Switching1MHz
Switch Tube (Built-In/External)External
Operating temperature-40℃~+125℃
TopologyBuck
Number of Channels1
TypeDC-DC
Output Current10mA
Voltage - Input(DC)4.5V~65V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The MAX20078 is a high-voltage, synchronous n-channel MOSFET controller for high-current buck LED drivers. The device uses a proprietary average current-mode-control scheme to regulate the inductor current. This control method does not need any control-loop compensation while maintaining nearly constant switching frequency. Inductor current sense is achieved by sensing the current in the bottom synchronous n-channel MOSFET. It does not require any current sense at high voltages. The device operates over a wide 4.5V to 65V input range. The device is designed for high-frequency operation and can operate at switching frequencies as high as 1MHz. The high- and low-side gate drivers have peak source and sink current capability of 2A. The driver block also includes a logic circuit that provides an adaptive nonoverlap time to prevent shoot-through currents during transition. The device includes both analog and PWM dimming. The device includes a 5V VCC regulator capable of delivering 10mA to external circuitry. The device also includes a current monitor that provides an analog voltage proportional to the inductor current. The device has a fault flag that indicates open and shorts across the output. Protection features include inductor current-limit protection, overvoltage protection, and thermal shutdown. The MAX20078 is available in a space-saving (3mm x 3mm), 16-pin TQFN or a 16-pin TSSOP package and is specified to operate over the -40℃ to +125℃ automotive temperature range.

Features

AI Translation
  • Automotive Ready: AEC-Q100 Qualified
  • Wide Input Voltage Range: 4.5V to 65V
  • Easy to Design
  • No Compensation Components
  • Programmable Switching Frequency
  • Wide Dimming Ratio Allows High Contrast Ratio
  • Analog Dimming
  • PWM Dimming
  • Suitable for Matrix Lighting
  • Maintains Current Regulation While Shorting/ Opening Individual LEDs in the String
  • Ultrafast-Response Control Loop Prevents Overshoots and Undershoots
  • Fault Detection and Protection
  • Overvoltage Protection
  • Open and Short Detection
  • Thermal Shutdown
  • Inductor Current Monitor
  • Low-Power Shutdown Mode

Applications

AI Translation
  • Automotive Front Lights
  • Automotive Matrix Lights
  • Head-Up Displays
  • Constant-Current Regulators