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MP5423 25-100V Buck Converter SOIC8
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pMPS MP5423 — buck converter, 25-100V input, SOIC8./p
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MP5423 25-100V Buck Converter SOIC8
MPS MP5423 is a buck converter that accepts 25 V to 100 V input, supplied in a SOIC8 package.
Key Specifications
| Part Number | MP5423 |
| Input Voltage | 25 V to 100 V |
| Topology | Buck Converter |
| Package | SOIC8 |
| Ordering Codes | MP5423 |
Features
- 25V to 100V Input Operation Voltage
- Fixed 14V, 5V, 3.3V Output Voltage
- 5V LDO Regulator 100mA Total Load Capability 5.04V ±2% Output Voltage Current Limit Flodback in SCP
- 3.3V LDO Regulator 40mA Load Capability 3.3V ±1% Output Voltage Current Limit Flodback in SCP
- 170°C OTP Protection
- SOIC8-EP Package
Applications
- Electric-Bike Power Management
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package SOIC8 — check the land pattern in the datasheet before layout.
Common Questions
Which package is the MP5423 available in?
SOIC8.
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