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MP1498 2A, 1.4MHz Step-Down Converter TSOT23
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pMPS MP1498 — step-down converter, 2A output, 1.4 MHz, TSOT23./p
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MP1498 2A, 1.4MHz Step-Down Converter TSOT23
MPS MP1498 is a step-down converter that delivers 2 A, switches at 1.4 MHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP1498 |
| Output Current | 2 A |
| Switching Frequency | 1.4 MHz |
| Topology | Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP1498 |
Features
- Wide 4.5V-to-16V Operating Input Range
- 100mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching-Loss–Reduction Technique
- High-Efficiency Synchronous Mode Operation
- Fixed 1.4MHz Switching Frequency
- Can Synchronize to a 300kHz-to-3MHz External Clock
- Externally-Programmable Soft-Start
- OCP and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
Applications
- Notebook Systems and I/O Power
- Digital Set-Top Boxes
- Flat-Panel Televisions and Monitors
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 TSOT23 — check the land pattern in the datasheet before layout.
Common Questions
What switching frequency does the MP1498 run at?
1.4 MHz, programmable.
Which package is the MP1498 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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