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MPM3612-33 3-22V, 1A, 1.25MHz Step-Down Converter LGA-10
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pMPS MPM3612-33 — step-down converter, 3-22V input, 1A output, 1.25 MHz, LGA-10./p
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MPM3612-33 3-22V, 1A, 1.25MHz Step-Down Converter LGA-10
MPS MPM3612-33 is a step-down converter that accepts 3 V to 22 V input, delivers 1 A, switches at 1.25 MHz, supplied in a LGA-10 package.
Key Specifications
| Part Number | MPM3612-33 |
| Input Voltage | 3 V to 22 V |
| Output Current | 1 A |
| Switching Frequency | 1.25 MHz |
| Quiescent Current | 5 uA |
| Topology | Step-Down Converter |
| Package | LGA-10 |
| Ordering Codes | MPM3612-33 |
Features
- Wide 3V to 22V Operating Input Voltage (VIN) Range
- 5µA Low Quiescent Current (IQ)
- 1A Load Current
- High Efficiency from 100µA to 1A Load when VIN is 4V to 22V
- Power-Save Mode (PSM)
- 1.25MHz Fixed Switching Frequency (fSW) during Continuous Conduction Mode (CCM)
- On Time (tON) Extension to Support Large Duty Cycles
- Power Good (PG) Indication
- EN Shutdown Output Discharge
- Over-Current Protection (OCP) and Over- Voltage Protection (OVP) with Hiccup Mode
Applications
- Internet-of-Things (IoT) Devices
- Home Automation, Home Security
- Single-Cell or Multi-Cell Li-Ion Battery Systems
- Multi-Cell Dry Battery Systems
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-10 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPM3612-33?
3–22 V input and 1 A output.
What switching frequency does the MPM3612-33 run at?
1.25 MHz.
Which package is the MPM3612-33 available in?
LGA-10.
Shenzhen Gaorunxin Technology Co., Ltd
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