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MP21600 2.3-5.5V, 0.6A, 2.4MHz Step-Down Converter QFN-6
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pMPS MP21600 — step-down converter, 2.3-5.5V input, 0.6A output, 2.4 MHz, QFN-6./p
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MP21600 2.3-5.5V, 0.6A, 2.4MHz Step-Down Converter QFN-6
MPS MP21600 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 QFN-6 package.
Key Specifications
| Part Number | MP21600 |
| Input Voltage | 2.3 V to 5.5 V |
| Output Current | 0.6 A |
| Switching Frequency | 2.4 MHz |
| Topology | Step-Down Converter |
| Package | QFN-6 |
| Ordering Codes | MP21600 |
Features
- Low IQ: 11μA
- 2.4MHz Switching Frequency
- Enable (EN) Pin for Power Sequencing
- Wide 2.3V to 5.5V Operating Input Range
- Output Adjustable from 0.6V
- Up to 0.6A Output Current
- 120mΩ and 80mΩ Internal Power MOSFET Switches
- Output Discharge
- 100% Duty Cycle
- Short-Circuit Protection (SCP) with Hiccup Mode
Applications
- Wireless/Networking Cards
- Portable and Mobile Devices
- Battery-Powered/Wearable Devices
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 QFN-6 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP21600?
2.3–5.5 V input and 0.6 A output.
What switching frequency does the MP21600 run at?
2.4 MHz.
Which package is the MP21600 available in?
QFN-6.
Shenzhen Gaorunxin Technology Co., Ltd
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