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MP1653N 4.5-16V, 3A, 1.1MHz Step-Down Converter SOT563
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pMPS MP1653N — step-down converter, 4.5-16V input, 3A output, 1.1 MHz, SOT563./p
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MP1653N 4.5-16V, 3A, 1.1MHz Step-Down Converter SOT563
MPS MP1653N is a 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 | MP1653N |
| 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 |
| Quiescent Current | 110 uA |
| Topology | Step-Down Converter |
| Package | SOT563 |
| Ordering Codes | MP1653N |
Features
- Wide 4.5V to 16V Operating Input Voltage (VIN) Range
- 3A Output Current (IOUT)
- 58mΩ/32mΩ Low On Resistance (RDS(ON)) Internal Power MOSFETs
- 110μA Quiescent Current (IQ)
- 0.6V to 8V Output Voltage (VOUT) Range
- ±1% Feedback (FB) Accuracy at Room Temperature
- ±1.5% FB Accuracy across Full Temperature Range
- 1.1MHz Switching Frequency (fSW)
- Power-Saving Mode (PSM) for High Light- Load Efficiency
- Excellent Load Transient Performance
Applications
- Flat-Panel Television 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 MP1653N?
4.5–16 V input and 3 A output.
What switching frequency does the MP1653N run at?
1.1 MHz.
Which package is the MP1653N available in?
SOT563, with ordering codes MP1653NGTF-Z.
Shenzhen Gaorunxin Technology Co., Ltd
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