Product Details
●The ADuM7223 is a 4A isolated, half-bridge gate driver that employ Analog Devices, Inc.’s _i_Coupler® technology to provide independent and isolated high-side and low-side outputs. Combining high speed CMOS and monolithic transformer technology, these isolation components provide outstanding performance characteristics superior to alternatives such as the combination of pulse transformers and non-isolated gate drivers. By integrating the isolator and driver in a single package, propagation delay is a maximum of only 60 ns and the propagation skew from channel to channel is a maximum of only 7ns.The ADuM7223 provides two independent isolation channels.
●The ADuM7223 operates with an input supply ranging from 3.0 V to 5.5 V, providing compatibility with lower voltage systems. The outputs operate in a wide range from 4.5V to 18V with three output voltage versions available. The 5 x 5 mm, LGA package provides 2500 VDC PEAK operating voltage from input to output and from output to output.
●In comparison to gate drivers employing high voltage level translation methodologies, these gate drivers offer the benefit of true, galvanic isolation between the input and each output. As a result, these gate drivers provide reliable control over the switching characteristics of IGBT/MOSFET configurations over a wide range of positive or negative switching voltages.
●Applications
● Switching power supplies
● Isolated IGBT/MOSFET gate drives
● Industrial inverters
●### Features and Benefits
● 4 A peak output current
● Working voltage
●High-side or low-side relative to input: 565 VDC PEAK
●High-side to low-side differential: 700 VDC PEAK
● High frequency operation: 1 MHz maximum
● Precise timing characteristics
●60 ns maximum isolator and driver Propagation Delay
●7 ns maximum channel-to-channel matching
● 3.3 V to 5 V input Logic
● 4.5V to 18 V output drive
● UVLO at 2.5 V VDD1
●A Version UVLO at 4.1 V VDD2
● CMOS input logic levels
● High common-mode transient immunity: >25 kV/µs
● High junction temperature operation: 125°C
● Default low output
●5 x 5 mm, 14-lead LGA
