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MPM3809 2.3-5.5V, 0.6A, 2.4MHz Step-Down Converter LGA-6
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pMPS MPM3809 — step-down converter, 2.3-5.5V input, 0.6A output, 2.4 MHz, LGA-6./p
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MPM3809 2.3-5.5V, 0.6A, 2.4MHz Step-Down Converter LGA-6
MPS MPM3809 is a step-down converter that accepts 2.3 V to 5.5 V input, delivers 0.6 A, switches at 2.4 MHz, supplied in a LGA-6 package.
Key Specifications
| Part Number | MPM3809 |
| Input Voltage | 2.3 V to 5.5 V |
| Output Current | 0.6 A |
| Switching Frequency | 2.4 MHz |
| Topology | Step-Down Converter |
| Package | LGA-6 |
| Ordering Codes | MPM3809 |
Features
- Wide 2.3V to 5.5V Operating Input Voltage (VIN) Range
- Output Voltage (VOUT) as Low as 0.6V
- 100% Duty Cycle in Dropout
- 0.6A Output Current (IOUT)
- 2.4MHz Switching Frequency (fSW)
- EN for Power Sequencing
- Cycle-by-Cycle Over-Current Protection (OCP)
- 0.5ms Internal Soft-Start (SS) Time (tSS-ON)
- Output Discharge
- Short-Circuit Protection (SCP) with Hiccup Mode
Applications
- Optical Modules
- Industrial Products
- Internet of Things (IoT) Devices
- Space-Constrained Applications
- Low-Voltage I/O Supplies
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 LGA-6 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPM3809?
2.3–5.5 V input and 0.6 A output.
What switching frequency does the MPM3809 run at?
2.4 MHz.
Which package is the MPM3809 available in?
LGA-6, with ordering codes MPM3809GPH-Z.
Shenzhen Gaorunxin Technology Co., Ltd
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