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MP1653F 4.5-16V, 3A, 1.1MHz Synchronous Step-Down Converter SOT563
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pMPS MP1653F — synchronous step-down converter, 4.5-16V input, 3A output, 1.1 MHz, SOT563./p
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MP1653F 4.5-16V, 3A, 1.1MHz Synchronous Step-Down Converter SOT563
MPS MP1653F is a synchronous step-down converter that accepts 4.5 V to 16 V input, delivers 3 A, switches at 1.1 MHz, supplied in a SOT563 package.
Key Specifications
| Part Number | MP1653F |
| Input Voltage | 4.5 V to 16 V |
| Output Voltage | 0.6 V to 8 V |
| Output Current | 3 A |
| Switching Frequency | 1.1 MHz |
| Topology | Synchronous Step-Down Converter |
| Package | SOT563 |
| Ordering Codes | MP1653F |
Features
- Forced Continuous Conduction Mode (FCCM)
- 1.1MHz Fixed Switching Frequency (fSW)
- Wide 4.5V to 16V Operating Input Voltage (VIN) Range
- 3A of Output Current (IOUT)
- 58mΩ/32mΩ Low On Resistance (RDS(ON)) Internal Power MOSFETs
- 0.6V to 8V Output Voltage (VOUT) Range
- ±1% Feedback (FB) Accuracy at Room Temperature
- ±1.5% FB Accuracy Across Full Temperature Raneg
- Excellent Load Transient Performance
- Pre-Biased Start-Up
Applications
- Flat-Panel Televisions and Monitors
- Digital Set-Top Boxes
- Security Cameras
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 SOT563 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP1653F?
4.5–16 V input and 3 A output.
What switching frequency does the MP1653F run at?
1.1 MHz.
Which package is the MP1653F available in?
SOT563, with ordering codes MP1653FGTF-Z.
Shenzhen Gaorunxin Technology Co., Ltd
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