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MP5003 3.3V, 1A-3A Programmable Current Limit Switch QFN10
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pMPS MP5003 — 3.3V, 1A-3A Programmable Current Limit Switch, QFN10./p
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MP5003 3.3V, 1A-3A Programmable Current Limit Switch QFN10
The MPS MP5003 is a 3.3V, 1A-3A Programmable Current Limit Switch. It is supplied in a QFN10 package.
The MP5003 is a protection device designed to protect circuitry on the output (VOUT) from transients on the input (VIN).
Key Specifications
| Part Number | MP5003 |
| Function | 3.3V, 1A-3A Programmable Current Limit Switch |
| Package | QFN10 |
| Ordering Codes | MP5003 |
Features
- Integrated 44mΩ Power FET
- Enable/Fault Pin
- Adjustable Slew Rate for Output Voltage
- Adjustable Current Limit: 1A-3A
- Automatically Startup after Thermal Protection
- Over Voltage Limit
Typical Application Circuit
Applications
- Hot Swap
- PC Cards
- Cell Phones
Design Notes
- The current-limit threshold must stay inside the SOA of the pass device at the applied voltage, including startup inrush.
- Hot-swap inrush control is set by the slew rate on the gate or the dV/dt capacitor — too fast trips the upstream supply.
- Reverse-current blocking behaviour differs between ideal-diode and load-switch topologies; pick the one that matches the fault you are protecting against.
- Route the fault flag to a pin the firmware actually polls; a latch-off protection with no report looks like a dead board in the field.
Common Questions
Which package and ordering codes apply to the MP5003?
QFN10; order codes include MP5003.
What are the defining features of the MP5003?
Integrated 44mΩ Power FET Enable/Fault Pin
Shenzhen Gaorunxin Technology Co., Ltd
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