3845 IC DIP/SMD SOP-8 Current Mode PWM Controller
Description:
The UC3845B Current Mode PWM Controller is high performance fixed frequency current mode
controller. It is specifically designed for Off-Line and dc-to-dc converter applications offering the designer
a cost-effective solution with minimal external components. It is integrated circuits feature an oscillator,
a temperature compensated reference, high gain error amplifier, current sensing comparator, and a
high current totem pole output ideally suited for driving a power MOSFET.
Specifications:
Fixed Frequency Current-Mode PWM Controller
Trimmed Oscillator Discharge Current for Precise Duty Cycle Control
Current Mode Operation to 500 kHz
Automatic Feed Forward Compensation
Latching PWM for Cycle−By−Cycle Current Limiting
Internally Trimmed Reference with Under voltage Lockout
High Current Totem Pole Output
Under voltage Lockout with Hysteresis
Low Startup and Operating Current
Package Included:
1x UC3845 IC – (SMD SOP-8)/ DIP SOP-8
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