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MP1494S 2A, 500kHz Synchronous Step-Down Converter TSOT23
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pMPS MP1494S — synchronous step-down converter, 2A output, 500 kHz, TSOT23./p
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MP1494S 2A, 500kHz Synchronous Step-Down Converter TSOT23
MPS MP1494S is a synchronous step-down converter that delivers 2 A, switches at 500 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP1494S |
| Output Current | 2 A |
| Switching Frequency | 500 kHz |
| Topology | Synchronous Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP1494S |
Features
- Wide 4.5V-to-16V Operating Input Range
- 150mΩ/70mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- Fixed 500kHz Switching Frequency
- Synchronizes to a 300kHz to 2MHz External Clock
- AAM Power-Save Mode
- Internal Soft-Start
- OCP Protection and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
Applications
- Notebook Systems and I/O Power
- Digital Set-Top Boxes
- Flat-Panel Television 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 MP1494S run at?
500 kHz.
Which package is the MP1494S available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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