Milpitas, Calif., and Norwood, MA – July 13, 2017 – Analog Devices, Inc. (Analog Devices, Inc., ADI) Linear Technology CorporaTIon introduces the LTC7003, a high speed, high side N-channel MOSFET driver that operates from supply voltages up to 60V. Its internal charge pump fully enhances the external N-channel MOSFET switch, allowing it to remain on indefinitely. The LTC7003's powerful 1Ω gate driver is very easy to drive large gate capacitance MOSFETs with very short conversion times and 35ns propagation delay, making it ideal for high frequency switching and static switching applications.
The LTC7003 operates from a 3.5V to 60V (65V absolute maximum) input supply range with a 3.5V to 15V driver supply range. The device senses an overcurrent condition by monitoring the voltage across the external sense resistor, which is in series with the drain of the external MOSFET switch. When the LTC7003 detects that the switch current has exceeded the preset value, it determines a fault flag, and the switch is turned off for a period of time. The length of the turn-off time is set by an external timing capacitor. After a predetermined cooling time, the LTC7003 automatically retry.
The LTC7003 is used to receive a ground-referenced low-voltage digital input signal and quickly drive a high-side N-channel power MOSFET with a drain that is 60V higher than ground. Fast 13ns rise and fall times minimize switching losses when driving a 1000pF load. The LTC7003 features adjustable current limit, current monitor output, and adjustable overvoltage lockout and enable inputs.
The LTC7003 is available in an MSOP-16 package. Available in three working junction temperature versions, extended to industrial temperature grades from –40°C to 125°C, and high temperature automotive grades from –40°C to 150°C, while military temperature grades The version has a temperature range of –55°C to 150°C. The 1,000-piece purchase price is $2.30 per piece. For more information, please log in.
Photo description:
60V High Side N-Channel MOSFET Gate Driver
Performance Summary: LTC7003· Wide VIN operating range: 3.5V to 60V (65V absolute maximum)
· Internal charge pump provides 100% duty cycle capability
· 1Ω pull-down, 2.2Ω pull-up for fast turn-on and turn-off time
· Fast 35ns propagation delay
· Short circuit protection
· Automatic restart timer
· Open leak fault mark
· Adjustable turn-on and turn-off slew rate
· Gate driver power supply range is 3.5V to 15V
· Adjustable current limit
· Current monitor output
· Adjustable input undervoltage and overvoltage lockout
· Low shutdown current: 1μA
· CMOS compatible input
The quotes given in this article are for budgetary purposes only. Quotations around the country may vary depending on local tariffs, taxes, fees and exchange rates.
On March 10th, ADI completed the acquisition of Linear Technology, a superior high-performance analog integrated circuit company. After the acquisition of Linear Technology, ADI further enhanced its technical strength. For more information on this acquisition, please visit http://lt.linear.com/07c.
ADI Company ProfileAnalog Devices (NASDAQ: ADI) is the world's leading high-performance analog technology company dedicated to solving the toughest engineering challenges. We enable our customers to use our unparalleled technology to detect, measure, power, connect and interpret, intelligently bridge the gap between reality and digital to understand the world around us. Please visit for details.
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