NE5561 circuit equivalent, switched-mode power supply control circuit.
FEEDBACK GAIN
* Micro-miniature (D) package
* Pulse-width modulator
* Current limiting (cycle-by-cycle)
* Sawtooth generator
* Stabilized power supp.
where extensive housekeeping functions are not required.
PIN CONFIGURATION
D, FE, N Packages
VCC VZ
1 2 3 4
8 7 6 5
.
The NE5561/SE5561 is a control circuit for use in switched-mode power supplies. It contains an internal temperature- compensated supply, PWM, sawtooth oscillator, overcurrent sense latch, and output stage. The device is intended for low cost SMPS app.
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