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The RT9553B is designed for over-current detection and over-/under-voltage protection. It provides users to set over-current threshold by the ILIM pin to compare that senses dropping voltage between CSP pin and CSN pin. Moreover, users can set over-/under-voltage threshold by the OVSET pin/UVSET pin to compare with the CSP voltage. The RT9553B is available in the WDFN-10L 3x3 package.
Common Mode Input Range up to 24V
VCC Operating Current : 200μA
VCC Shutdown Current : 10μA (under S3/S4/S5)
Programmable Over-Current Level
One Shot PROCHOT Signal when OCP
Pull Low RESET Signal when OVP/UVP
OVP/UVP with 8% Recover Hysteresis Range
Programmable OVP/UVP De-glitch Time
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