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MAX15054

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High-Side MOSFET Driver for HB LED Drivers and DC-DC Applications

High-Voltage, High-Side FET Driver is a Unique and Ideal Fit for HB LED Drivers Including Automotive Applications

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Product Details

See parametric specs for MOSFET Drivers

Key Features

See parametric specs for MOSFET Drivers
Parametric specs for MOSFET Drivers
No. of Drivers 1
Logic Polarity Noninverting
RON (Ω) (max) 1
RON (Ω) (typ) 0.75
Configuration High-Side N Drive
IOUT (A) (peak) 2.5
Rise/ Fall Time @+25°C (ns) (typ) 6/6 (1000pF)
VSUPPLY (V) 4.5 to 60
Oper. Temp. (°C) -40 to +125
Package/Pins SOT23/6
Budgetary
Price (See Notes) 		1.34
See parametric specs for MOSFET Drivers
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Simplified Block Diagram

Technical Docs

Data Sheet High-Side MOSFET Driver for HB LED Drivers and DC-DC Applications Oct 26, 2009

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Parameters

Parametric specs for MOSFET Drivers
No. of Drivers 1
Logic Polarity Noninverting
RON (Ω) (max) 1
RON (Ω) (typ) 0.75
Configuration High-Side N Drive
IOUT (A) (peak) 2.5
Rise/ Fall Time @+25°C (ns) (typ) 6/6 (1000pF)
VSUPPLY (V) 4.5 to 60
Oper. Temp. (°C) -40 to +125
Package/Pins SOT23/6
Budgetary
Price (See Notes) 		1.34
See parametric specs for MOSFET Drivers

Key Features

  • Input Voltage on High-Side n-Channel MOSFET Up to 60V
  • Up to 13.5V Logic Input Independent of Supply Voltage
  • 2A Peak Source and Sink Current
  • 12ns Propagation Delay
  • Rise and Fall Times of 6ns while Driving 1000pF Capacitance
  • Low Input Capacitance
  • Low-Side and High-Side Undervoltage Protection
  • Allows Buck-Boost Topology Referred to Ground for LED Drivers and DC-DC Converters
  • Allows Buck-Boost Topology for Multistring LED Drivers
  • 6-Pin SOT23 Package

Applications/Uses

  • HB LED Drivers for Single and Multiple Strings
  • High-Side Driver for DC-DC Converters (Buck, Buck-Boost, Half-Bridge, Full-Bridge)
  • LED Backlight Drivers

Description

The MAX15054 is a high-side, n-channel MOSFET driver for high-voltage applications capable of switching at high frequencies. This device is controlled by a CMOS logic-level signal referenced to ground and features a very short (12ns, typ) propagation delay from input to output. The high-voltage operation and high source/sink-current capability make the MAX15054 ideal for HB LED drivers and DC-DC converters.

The MAX15054 is well suited to complement other Maxim LED driver products such as the MAX16814, MAX16838, MAX16833, MAX16834, and MAX16826. The MAX15054 adds a high-side driver to those products that include only a low-side driver; it then allows for buck-boost configurations for multistring drivers similar to the MAX16814, MAX16838, and MAX16826, and for buck-boost conversion with output referenced to ground for single-string drivers such as the MAX16834 and MAX16833.

The MAX15054 is available in the industry-standard 6-pin SOT23 package and operates over the -40°C to +125°C automotive temperature range.

Simplified Block Diagram

MAX15054: Typical Operating Circuit MAX15054: Typical Operating Circuit Zoom icon

Technical Docs

Data Sheet High-Side MOSFET Driver for HB LED Drivers and DC-DC Applications Oct 26, 2009

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .