3845 IC DIP/SMD SOP-8 Current Mode PWM Controller

Price range: ₨ 32 through ₨ 38

UC3845B IC – (SMD SOP-8) Current Mode PWM Controller
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 Undervoltage Lockout
High Current Totem Pole Output
Undervoltage Lockout with Hysteresis
Low Startup and Operating Current

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SKU: 2972 Category: General ICs

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