
Linear Technology
DESCRIPTION
The LTC®1693 family drives power 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. The LTC1693-2 contains one noninverting and one inverting driver. The LTC1693-1 and LTC1693-2 drivers are electrically isolated and independent. The LTC1693-3 is a single driver with an output polarity select pin.
The LTC1693 has VCC independent CMOS input thresholds with 1.2V of typical hysteresis. The LTC1693 can level-shift the input logic signal up or down to the rail-torail VCC drive for the external MOSFET.
FEATURES
■ 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
APPLICATIONS
■ Power Supplies
■ High/Low Side Drivers
■ Motor/Relay Control
■ Line Drivers
■ Charge Pumps