Features and Benefits
- Dual MOSFET Drivers in SO-8 Package or Single MOSFET Driver in MSOP Package
- 1GΩ Electrical Isolation Between the Dual Drivers Permits High/Low Side Gate Drive
- 1.5A Peak Output Current
- 16ns Rise/Fall Times at VCC = 12V, CL = 1nF
- Wide VCC Range: 4.5V to 13.2V
- CMOS Compatible Inputs with Hysteresis, Input Thresholds are Independent of VCC
- Driver Input Can Be Driven Above VCC
- Undervoltage Lockout
- Thermal Shutdown
The LTC1693 family drives power N-channel MOSFETs at high speed. The 1.5A peak output current reduces switching losses in MOSFETs with high gate capacitance.
The LTC1693-1 contains two noninverting drivers while the LTC1693-2 contains one noninverting and one inverting driver. These dual drivers are electrically isolated and independent. The LTC1693-3 is a single driver with an output polarity select pin.
All MOSFET drivers offer VCC independent CMOS input thresholds with 1.2V of typical hysteresis. They can level-shift the input logic signal up or down to the rail-to-rail VCC drive for the external MOSFET.
The LTC1693 contains an undervoltage lockout circuit and a thermal shutdown circuit that disable the external N-channel MOSFET gate drive when activated.
The LTC1693-1 and LTC1693-2 come in an 8-lead SO package. The LTC1693-3 comes in an 8-lead MSOP package.
- Power Supplies
- High/Low Side Drivers
- Motor/Relay Control
- Line Drivers
- Charge Pumps
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (2)
DC610A Demo Board for:
LTC1693 High Speed Single/Dual N-Channel MOSFET Drivers
LT3804 Secondary Side Dual Output Controller with Opto Driver
LT3781 Bootstrap Start Dual Transistor Synchronous Forward Controller
Demo Board DC259A provides an isolated 3.3V or 5VOUT at 10A from a 36 to 72VDC source. The DC259A includes the following products:
LT1431 - Programmable Reference
LT1339 - High Power Synchronous DC/DC Controller
LTC1693 - High Speed Single/Dual N-Channel MOSFET Drivers
Tools & Simulations
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.
Models for the following parts are available in LTspice:
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
Sample & Buy
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.