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CS3844D14 Cherry Single-Output Current-Mode SMPS Circuit

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Cherry Semiconductor Current Mode PWM Control Circuit with 50% Max Duty Cycle

CS3844D14 Cherry Single-Output Current-Mode SMPS Circuit

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Cherry CS3844D14 Current Mode PWM Control Circuit with 50% Max Duty Cycle

Cherry CS3844D14 IC Part Number = CS3844D14
Manufacturer Name = Cherry Semiconductor
Description = Single-Output Current-Mode SMPS Circuit - Optimized for off-line control, 50% max duty cycle
Maximum Frequency (Hz) = 57k
UV Lockout (Y/N) = Yes
Soft Start (Y/N) = No
Output Config = Totem-Pole
Output Transistor Current (A) = 1.0
Output Transistor Voltage (V) = 30
Supply Voltage Minimum (V) = 10
Supply Voltage Maximum (V) = 25
Package = SO
Pins = 14
Military = N

The CS3844/45 provides all the neces- sary features to implement off-line fixed frequency current-mode control with a minimum number of external components.

The CS3844 family incorporates a new precision temperature-controlled oscil- lator to minimize variations in fre- quency. An internal toggle flip-flop, which blanks the output every other clock cycle, limits the duty-cycle range to less than 50%. An undervoltage lockout ensures that V REF is stabilized before the output stage is enabled. In the CS2844/CS3844 turn on occurs at 16V and turn off at 10V. In the CS2845/CS3845 turn on is at 8.4V and turn off at 7.6V

Cherry Part Number = CS3844D14
Manufacturer Name = Cherry Semiconductor
Description = Single-Output Current-Mode SMPS Circuit - Optimized for off-line control, 50% max duty cycle
Maximum Frequency (Hz) = 57k
UV Lockout (Y/N) = Yes
Soft Start (Y/N) = No
Output Config = Totem-Pole
Output Transistor Current (A) = 1.0
Output Transistor Voltage (V) = 30
Supply Voltage Minimum (V) = 10
Supply Voltage Maximum (V) = 25
Package = SO
Pins = 14
Military = N

Additional Information

CS3844D14
Click here to Download Datasheet I
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