Order- MP5017A
MP5017A
3V to 5.5V, 1A to 5A Current Limit Switch with Over-Voltage Clamp and Reverse Blocking in a QFN-12 (2mmx3mm) Package
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Description
The MP5017A is a protection device designed to protect circuitry on the output from transients at the input. It also protects the input from unwanted shorts and transients at the output.
During start-up, the inrush current is controlled by limiting the slew rate at the output. The slew rate is controlled by a small capacitor connected at the DV/DT pin.
The maximum output load is current-limited. The magnitude of the current limit (ILIMIT) is controlled by an external resistor connected between the ILIMIT and GND pins. By controlling the gate voltages via a pair of N-channel MOSFETs, any current flowing from the output to the input is blocked.
Under-voltage lockout (UVLO) protection ensures that the input is above the minimum operating threshold before the device starts up. If the input voltage (VIN) exceeds 5.8V, then the output voltage (VOUT) is limited to 5.8V. The SAS/OV pin programs the VIN over-voltage protection (OVP) threshold. The FAULT pin is an open-drain output that goes low if an over-current (OC), over-temperature (OT), or output over-voltage (OV) fault is detected.
The MP5017A is available in a QFN-12 (2mmx3mm) package.
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Features & Benefits
- 3V to 5.5V Operating Input Voltage (VIN) Range
- 16V Absolute Maximum VIN
- Output Discharge
- SAS/OV Disabled to Support DEVSLP or POWER_DOWN
- 8V Fast Output Over-Voltage Protection (OVP) Response
- Reverse Current Blocking
- Integrated 45mΩ RDS(ON) Power MOSFET
- Adjustable Current Limit (ILIMIT) via ILIMIT
- 210μA Low Quiescent Current (IQ)
- Configurable Soft-Start Time (tSS) via DV/DT
- Fast Response for Hard-Short Protection
- Fault Indication for Over-Current (OC), Over-Temperature (OT), and Output Over-Voltage (OV) Conditions
- Over-Temperature Protection (OTP) Auto-Retry with 76ms Recovery Delay
- Available in a QFN-12 (2mmx3mm) Package
Active Part Numbers:
MP5017AGD-Z MP5017AGD-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP5017A Resources
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