LTC7000/LTC7000-1

RECOMMENDED FOR NEW DESIGNS

Fast 150V Protected High Side NMOS Static Switch Driver with PassThru

Data Sheet (Rev. F) Product Selection Table
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Overview

  • Wide Operating VIN: 3.5V to 135V (150V Abs Max)
  • 1Ω Pull-Down, 2.2Ω Pull-Up for Fast Turn-On and Turn-Off Times with 35ns Propagation Delays
  • Internal Charge Pump for 100% Duty Cycle
  • Short-Circuit Protected
  • Adjustable Current Trip Threshold (LTC7000)
  • Current Monitor Output (LTC7000)
  • Automatic Restart Timer
  • Open-Drain Fault Flag
  • Adjustable Turn-On Slew Rate
  • Gate Driver Supply from 3.5V to 15V
  • Adjustable VIN Undervoltage and Overvoltage Lockouts (LTC7000)
  • Adjustable Driver Supply VCC Undervoltage Lockout
  • Low Shutdown Current: 1µA
  • CMOS Compatible Input
  • Thermally Enhanced, High Voltage Capable 16-Lead MSOP Packages
  • AEC-Q100 Qualified for Automotive Applications
LTC7000/LTC7000-1
Fast 150V Protected High Side NMOS Static Switch Driver with PassThru
LTC7000 Application Circuit LTC7000 Performance Graph LTC7000 Pin Configuration LTC7000 Pin Configuration
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Documentation

Data Sheet 1

User Guide 2

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
MOSFET & Gate Drivers 1
LTM9100
NOT RECOMMENDED FOR NEW DESIGNS Anyside™ High Voltage Isolated Switch Controller with I2C Command and Telemetry
Overvoltage & Overcurrent Protectors 1
LTC4366
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTC7000
  • LTC7000-1
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC2492A

LTC7000-1 Demo Board Protected High Side NMOS Driver; 8V ≤ VIN ≤ 135V, IOUT up to 5.5A

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Product Details

Demonstration circuit 2492A is a 135V protected, high side switch featuring the LTC7000-1. The demo board is designed to switch a 5.5A output load from input voltages from 8V to 135V. The wide input range and low shutdown current (1µA typical) make it suitable for automotive, industrial, medical instrument and telecom applications. This board offers a low 50ns (typical) propagation delay, fast switching times (<10ns) and 100% duty cycle operation.

eval board
schematic 2
DC2537A

LTC7000 Demo Board Protected High Side NMOS Driver; VIN up to 135V, IOUT up to 5.5A 

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Product Details

Demonstration circuit 2537A is a 135V protected, high side switch featuring the LTC7000. The demo board is designed to switch a 5.5A output load from input voltages from 8V to 135V. The wide input range and low shutdown current (1µA typical) make it suitable for automotive, industrial, medical instrument and telecom applications. This board offers a low 50ns (typical) propagation delay, fast switching times (<10ns) and 100% duty cycle operation.

eval board
schematic 3
schematic 4
schematic 5
schematic 6
AD-PAARRAY3552R-SL

RF Front-end GaN Power Amplifier Biasing, Protection, and Control Reference Design

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Features and Benefits

  • Designed to cover full Tx signal chains with integrated MCU and user-friendly GUI for faster and easier integration
  • Supports fault event protection - overvoltage (OV), overcurrent (OC), and overtemperature (OT)
  • Supports ultrafast sub-µs GaN gate voltage switching ~ (<1 µs)
  • Supports ultrafast (<10 µs) fault event protection from detection up to GaN gate pinch-off
  • Wide range of gate bias voltages from -10 V to +10 V
  • Configurable power-up and power-down sequence

Product Details

The AD-PAARRAY3552R-SL reference design provides control, protection, and proper biasing sequence for GaN power amplifier (PA) arrays. The design incorporates the AD3553R high-speed, dual-channel, 16-bit DAC to support the ultrafast sub-µs voltage settling time of GaN gates.

Key fault events, including overvoltage, overcurrent, and overtemperature, are effectively managed by the LTC7000, a static switch driver responsible for system fault protection.

The on-board MAX32666 ultralow-power ARM® Cortex®-M4 microprocessor provides essential debug and programming features for a comprehensive software development experience with the system. The system's firmware is built on ADI's open-source no-OS framework and includes a user-friendly graphical interface (GUI) for evaluation. Updates are easily applied through an SWD UART bootloader, streamlining prototyping.

The system can be powered by an external +48 V supply, requiring high current capabilities.

APPLICATIONS

  • 5G massive MIMOs
  • Macro base stations
Specifications
Fault Events
Fault Default Limit
Overvoltage +55 V
Overcurrent 3.5 A
Overtemperature 75°C
Output Ports
Port Name No. of ports
GaN gate ports 6
+48 V Gan drain ports 4
+5 V ports 5
Enable ports 2
Power Supply
External +48 V DC at 5 A
Operating Conditions
Temperature Range 45°C to +75°C

DC2492A
LTC7000-1 Demo Board Protected High Side NMOS Driver; 8V ≤ VIN ≤ 135V, IOUT up to 5.5A
DC2492A
DC2537A
LTC7000 Demo Board Protected High Side NMOS Driver; VIN up to 135V, IOUT up to 5.5A 
DC2537A
AD-PAARRAY3552R-SL
RF Front-end GaN Power Amplifier Biasing, Protection, and Control Reference Design
AD-PAARRAY3552R-SL Block Diagram AD-PAARRAY3552R-SL Board Photo Angle View AD-PAARRAY3552R-SL Board Photo Top View AD-PAARRAY3552R-SL Board Photo Bottom View

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