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07-13-2017

Fast 150V High Side N-Channel MOSFET Driver Provides 100% Duty Cycle Capability

Analog Devices » LTC7001

Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7001, a high speed, high side N-channel MOSFET driver that operates up to a 150 V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, enabling it to remain on indefinitely. The LTC7001’s powerful 1 Ω gate driver can easily drive large gate capacitance MOSFETs with very short transition times and 35 ns propagation delays, well suited for both high frequency switching and static switch applications.

Analog Devices - LTC7001

The LTC7001 is designed to receive a ground-referenced, low voltage digital input signal and quickly drive a high side N-channel power MOSFET whose drain can be between 0 V and 135 V (150 V abs max). The LTC7001 operates from a 3.5 V to 15 V driver bias supply range with an adjustable undervoltage lockout. The fast 13 ns rise and fall times, when driving a 1000 pF load, minimize switching losses. Other features include an adjustable turn-on slew rate and an adjustable overvoltage lockout.

High Voltage, High Side Switch with 100% Duty Cycle
High Voltage, High Side Switch with 100% Duty Cycle.

The LTC7001 is available in the MSOP-10 package with the leads configured for high voltage spacing. It is available in three operating junction temperature grades of extended and industrial versions from –40 to 125 °C, high temperature automotive version from –40 °C to 150 °C and a military grade from –55 °C to 150 °C. The 1,000-piece price starts at $2.40 each.

LTC7001 Driving a 1 nF Capacitive Load
LTC7001 Driving a 1 nF Capacitive Load.

Summary of Features: LTC7001

  • Wide VIN Operating Range: 0 V to 135 V (150 V Abs Max)
  • Internal Charge Pump for 100% Duty Cycle Capability
  • 1 Ω Pull-Down, 2.2 Ω Pull-Up for Fast Turn-On & Turn-Off Times
  • Fast 35 ns Propagation Delays
  • Adjustable Turn-On Slew Rate
  • Gate Driver Supply from 3.5 V to 15 V
  • Adjustable Driver Supply VCC Undervoltage Lockout
  • Adjustable VIN Overvoltage Lockout
  • CMOS Compatible Input

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