CD5022
CD5022 is PWM Controller manufactured by CYT.
Description
The CD5022 is a controller for Boost and SEPIC regulators. The device contains all of the features needed to implement single ended primary power converter topologies. Output voltage regulation is based on current-mode control and this not only eases the design of loop pensation, but also provides the inherent input voltage feedforward. The CD5022 includes a start-up voltage regulator that operates over a wide input range of 6V to 60V. The PWM controller is designed for high speed capability including an oscillator frequency range to 2.2MHz and total propagation delays less than 100ns. Additional features include an error amplifier, precision reference, line under-voltage lockout, cycle-by-cycle current limit, slope pensation, soft-start, external synchronization capability and thermal shutdown.
Absolute Maximum Ratings
Remended Operating Conditions
VIN to GND VCC to GND RT to GND All other pins to GND Junction temperature Storage temperature
-0.3V to 65V -0.3V to 16V -0.3V to 5.5V -0.3V to 7V 150℃ -65℃ to 150℃
VIN voltage VCC voltage Operating junction temperature (T J)
6V to 60V 7.5V to 14V -40℃ to 125℃
Package Diagram e b
HE E
Top View
Size
Symbol Min. Max. Unit
--
A1
0.02 0.15 b
0.17 0.33 c
0.09 0.23
Da
2.90 3.10
Ea
3.10 mm e
4.70 5.10
Lp
0.40 0.70
θ
° a The size dose not include burrs.
Typical Application
A1
Front View
Lp...
