MP5017AGD-P, Power Switch ICs - Power Distribution 3V-5.5V, 1A 5A Current Limit Switch with Over-Voltage Clamp and Reverse Blocking in 2mmx
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MP5017A is a protection device designed to protect circuitry on the output from transients from the input. It also protects the input from unwanted shorts and transients coming from the output. During start-up, the inrush current is controlled by limiting the slew rate at the output. The slew rate is controlled with a small capacitor at the DV/DT pin. The maximum load at the output is current limited. The magnitude of the current limit is controlled by an external resistor placed between ILIMIT and GND. By controlling the gate voltages with a pair of N-channel MOSFETs, any current flowing from the output to the input is blocked. Undervoltage lockout ensures that input is above minimum operating threshold before the device is turned on. If input voltage exceeds 5.8V, the output voltage (VOUT) is quickly limited to 5.8V. The MP5017A is available in a QFN-12 package. Applications include HDDs and SSDs, hot swap devices, wireless modem data cards, PC cards and USB power distribution.
• 3V to 5.5V continuous operating input voltage (VIN) range• 16V absolute maximum VIN output discharge• SAS/OV disable to support DEVSLP or POWER• DOWN• 5.8V fast output OVP response, reverse current blocking• Integrated 45mohm RDS(ON) power MOSFET, adjustable current-limit through ILIMIT• 210µA low quiescent current (IQ), programmable soft-start time (tSS) via the DV/DT pin• Fast response for hard-short protection• Fault indication for overcurrent protection, overtemperature and output overvoltage protection• OTP auto-retry with 76ms recovery delay• SAS/OV is used to program the input overvoltage protection (OVP) threshold
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