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The CS3706 integrated circuit provides an interface between lowlevel TTL inputs and high-power switching devices such as power MOSFETs. A typical application is single-ended PWM control to pushpull power control conversion.
The primary function of this device is to convert a bipolar single-ended low current digital input to a pair of totem pole outputs which can source or sink up to 1.5A. An internal flip-flop, driven by doublepulse suppression logic, can be enabled to provide single-ended to push-pull conversion. With the flipflop disabled, the outputs work in parallel for 3.0A capability.
Protection functions are also included for pulse-by-pulse current limiting, automatic deadband control and thermal shutdown.
CS3706 Maximum Ratings
Logic Supply Voltage (VIN) ................................................................................................................... 40.0V Output Supply Voltage (VCC) ............................................................................................................ 40.0V Output Current (each output, source, or sink) Steady State .............................................................................................................................. ±500mA Peak Transient for Less Than 100µs .............................................................................................. ±1.5A Capacitive Discharge Energy.............................................................................................................20.0µJ Digital Inputs (INV, NONINV) ...................................................................................................................5.5V Analog Inputs (STOP +, STOP -) ...............................................................................................................VIN Inhibit Inputs (INHIBIT A, INHIBIT B, INHIBIT REF).....................................................................................5.5V Operating Temperature Range .........................................................................................................0 to 70 Storage Temperature Range........................................................................................................-65 to 150 Lead Temperature Soldering Wave Solder (through hole styles only)...................................................................10 sec. max, 260 peak
CS3706 Features
· Dual 1.5A Totem Pole Outputs · 40nsec Rise and Fall into 1000pF · Parallel or Push-Pull Operation · Single-Ended to Push-Pull Conversion · High-Speed Power MOSFET Compatible · Low Cross-Conduction Current Spike · Analog Latched Shutdown · Internal Deadband Inhibit Circuit · Low Quiescent Current · 5V to 40V Operation · Thermal Shutdown Protection