Description
BUY MP24971 https://www.utsource.net/itm/p/12610367.html
| Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
| Input Voltage |
VIN |
Continuous |
2.5 |
- |
5.5 |
V |
| Output Voltage |
VOUT |
Adjustable |
0.8 |
- |
3.6 |
V |
| Quiescent Current |
IQ |
VIN = 5V |
- |
1.2 |
- |
μA |
| Efficiency |
η |
VIN = 5V, IOUT=1A |
- |
90 |
- |
% |
| Switching Frequency |
fSW |
Default setting |
- |
2.4 |
- |
MHz |
| Load Current |
IOUT |
Continuous |
- |
3 |
- |
A |
| Dropout Voltage |
VDROPOUT |
IOUT=3A |
- |
300 |
- |
mV |
Instructions for MP24971
Power Supply Connection:
- Connect the input voltage (VIN) to the power supply ensuring it is within the range of 2.5V to 5.5V.
Output Voltage Setting:
- Adjust the output voltage (VOUT) using the external resistors connected to the FB pin. The adjustable range is from 0.8V to 3.6V.
Efficiency Consideration:
- For optimal efficiency, operate under conditions where the load current and input voltage are as specified in the efficiency parameter.
Switching Frequency Adjustment:
- The default switching frequency is set at 2.4MHz. This can be adjusted if necessary by changing the external components according to the datasheet guidelines.
Thermal Management:
- Ensure adequate heat dissipation when operating at higher currents to maintain device reliability and performance.
Capacitor Selection:
- Choose input and output capacitors that provide low ESR and sufficient capacitance to stabilize the circuit and reduce ripple.
Layout Considerations:
- Follow recommended PCB layout practices to minimize noise and parasitic effects, enhancing overall performance.
(For reference only)
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