The UC3845BDG is a pulse width modulation (PWM) controller in frequency current mode
€2.42
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Product overview
The UC3845BDG is a high performance fixed frequency current mode pulse width modulation (PWM) controller specifically designed for DC to DC converter and offline applications that offers the designer a cost effective solution with minimal external components. It features an oscillator, temperature compensated reference, high gain error amplifier, current sense comparator, and high current totem output ideal for driving a power MOSFET. Also included are protection features consisting of reference and input undervoltage locks, each with hysteresis, cycle-by-cycle current limiting, a single pulse measurement latch, and a flip-flop.
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The UC3845BDG is a pulse width modulation (PWM) controller in frequency current mode
Product overview
The UC3845BDG is a high performance fixed frequency current mode pulse width modulation (PWM) controller specifically designed for DC to DC converter and offline applications that offers the designer a cost effective solution with minimal external components. It features an oscillator, temperature compensated reference, high gain error amplifier, current sense comparator, and high current totem output ideal for driving a power MOSFET. Also included are protection features consisting of input and reference undervoltage locks, each with hysteresis, cycle-by-cycle current limiting, a single pulse measurement latch, and a flip-flop.
Product overview
The UC3845BDG is a high performance fixed frequency current mode pulse width modulation (PWM) controller specifically designed for DC to DC converter and offline applications that offers the designer a cost effective solution with minimal external components. It features an oscillator, temperature compensated reference, high gain error amplifier, current sense comparator, and high current totem output ideal for driving a power MOSFET. Also included are protection features consisting of input and reference undervoltage locks, each with hysteresis, cycle-by-cycle current limiting, a single pulse measurement latch, and a flip-flop that removes the output from each oscillator cycle. , which allows the exit dead times to be programmed from 50 to 70%.
Clipped oscillator for precise frequency control
Automatic advance compensation
Internally trimmed reference with undervoltage lock
High current totem output
Undervoltage blocking with hysteresis
Low starting and running current
Applications
Power Management, Industrial
UC3845BDG
10 Items
Product overview
The UC3845BDG is a high performance fixed frequency current mode pulse width modulation (PWM) controller specifically designed for DC to DC converter and offline applications that offers the designer a cost effective solution with minimal external components. It features an oscillator, temperature compensated reference, high gain error amplifier, current sense comparator, and high current totem output ideal for driving a power MOSFET. Also included are protection features consisting of reference and input undervoltage locks, each with hysteresis, cycle-by-cycle current limiting, a single pulse measurement latch, and a flip-flop.