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MP62040 1.7-5.5V Single-Channel 2A Current-Limited Power Distribution Switch QFN4
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pMPS MP62040 — Single-Channel 2A Current-Limited Power Distribution Switch, 1.7-5.5V input, 2 A output, QFN4./p
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MP62040 1.7-5.5V Single-Channel 2A Current-Limited Power Distribution Switch QFN4
The MPS MP62040 is a Single-Channel 2A Current-Limited Power Distribution Switch. It operates from a 1.7 V to 5.5 V input and is rated for 2 A. It is supplied in a QFN4 package.
The MP62040/MP62041 Power Distribution Switch is designed for high-side load switch.
Key Specifications
| Part Number | MP62040 |
| Function | Single-Channel 2A Current-Limited Power Distribution Switch |
| Input Voltage | 1.7 V to 5.5 V |
| Current Rating | 2 A |
| Package | QFN4 |
| Ordering Codes | MP62040 |
Features
- 2A Continuous Current
- 1.7V to 5.5V Supply Range
- Soft Start: 115μs
- 1μA Shutdown Current
- 85mΩ MOSFET
- Active High & Active Low Options
- Space saving 1.6x1.2 mm UTQFN4 Package (0.55mm Height)
Typical Application Circuit
Applications
- Load switch in portable applications
- Battery switch-over circuits
Design Notes
- Size the inductor for the ripple current at the actual switching frequency, typically 30% of the DC load — not for the DC rating alone.
- The hot loop from input capacitor through the switch to ground sets conducted EMI. Keep that copper area as small as the layout allows.
- Output ripple is set by the capacitor ESR and its DC-bias derating; a 10 µF ceramic often behaves like 4 µF at the rated output voltage.
- Route the feedback divider from the output capacitor terminals, away from the switch node.
Common Questions
What input voltage does the MP62040 support?
1.7 V to 5.5 V. The rated output is 2 A.
Which package and ordering codes apply to the MP62040?
QFN4; order codes include MP62040.
What are the defining features of the MP62040?
2A Continuous Current 1.7V to 5.5V Supply Range
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