MP1653GTF AUCN 17V 3A 800kHz Step-down Switch Mode Converter
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MP1653GTF AUCN 17V / 3A / 800 kHz Step-Down Switch Mode Converter
The MP1653GTF AUCN is a 17 V, 3 A, 800 kHz step-down switch mode converter with fully integrated internal power MOSFETs. The compact SOT563 (1.6 × 1.6 mm) footprint delivers superior performance and excellent load + line regulation over a wide input range — exactly what the dense voltage rails on modern hashboards need.
Synchronous mode operation ensures maximum efficiency across the output current load range; power-save mode minimises energy consumption at light load; low IQ + fast load transient response deliver consistent regulation under dynamic mining workloads.
Typical Failure Modes Solved
- Step-down rail dropout — failed converter, downstream stage starved.
- Inrush trip / soft-start failure — degraded internal soft-start.
- Thermal shutdown — chip cooking under continuous load.
- Production refurbishment — bulk converter stock for hashboard rebuild lines.
MP1653GTF AUCN Specifications
| Feature | Description |
|---|---|
| Part Number | MP1653GTF (AUCN silk marking) |
| Function | Synchronous step-down switch mode converter |
| Input Voltage Range | 4.2 V – 17 V |
| Output Current | 3 A |
| Switching Frequency | 800 kHz |
| Internal MOSFETs | 70 mΩ / 40 mΩ RDS(on) |
| Output Adjustable | From 0.8 V |
| Protection | OCP + Hiccup + thermal shutdown + internal soft start |
| Package | SOT563 (1.6 × 1.6 mm) |
| Condition | Brand New |
FAQ — MP1653GTF Buck Converter
Q: Tiny SOT563 package — bench-rework friendly?
A: 1.6 × 1.6 mm requires hot-air + precision pickup. Not hand-solder friendly. Use a microscope + flux for clean install.
Q: Output adjustable from 0.8V — how is it set?
A: External resistor divider on the FB pin programs Vout. Match the original divider during repair.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com.
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Repair shops stocking MP1653GTF AUCN? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
