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CHERRY CS3524N Dual-Output Voltage-Mode SMPS Circuit 200mA 60V

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Cherry - Cherry Cs3524N IC Dual-Output Voltage-Mode SMPS Circuit - PWM Control Circuit, fmax 300kHz, 2 Output Drivers

CHERRY CS3524N Dual-Output Voltage-Mode SMPS Circuit 200mA 60V

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CHERRY - CHERRY CS3524N Dual-Output Voltage-Mode SMPS Circuit - PWM Control Circuit fmax 300kHz 2 Output Drivers

The CS3524A PWM control circuit retains the same versatile architecture of the industry standard CS3524 (SG3524) while adding substantial improvements.

The CS3524 is pin-compatible with “non-A” versions, and in most applica- tions can be directly interchanged. The CS3524A, however, eliminates many of the design restrictions which had pre- viously required additional external circuitry.

The CS3524A includes a precision 5V reference trimmed to ±1% accuracy (eliminating the need for potentiometer adjustments), an error amplifier with an output voltage swing extending to 5V, and a current sense amplifier use- ful in either the ground or power sup- ply output lines. The uncommitted 60V, 200mA NPN output pair greatly enhances the output drive capability.

The CS3524A features an undervoltage lockout circuit which disables all inter- nal circuitry (except the reference) until the input voltage has risen to 8V. This holds standby current low until turn- on, and greatly simplifies the design of low power, off-line supplies. The turn- on circuit has approximately 600mV of hysteresis for jitter free activation.

Additional Information

CS3524N
Click here to Download Datasheet I
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