MP1582 / MP2467 / MP1591 / MP1593 / MP1583 DC-DC Step-Down IC — SOP-8 (5-Pack)

MPS DC-DC Step-Down Buck Converter ICs — SOP-8, 5-Pack (MP1582 / MP2467 / MP1591 / MP1593 / MP1583)

This 5-pack covers the most popular Monolithic Power Systems (MPS) SOP-8 step-down buck converter ICs. Each variant integrates the power switch, oscillator, and protection circuits in a compact SOP-8 package, making them ideal for power supply design, repair, and replacement in laptops, chargers, and industrial equipment.

Variant Specifications

Part	Input Voltage	Max Current	Frequency	Key Feature
MP1582	4.75V – 18V	3A	1.5MHz	High frequency, compact inductor
MP2467	4.5V – 18V	3A	500kHz	Low EMI, wide Vin range
MP1591	4.75V – 18V	2A	340kHz	Low quiescent current
MP1593	4.5V – 28V	3A	300kHz	Widest input range (up to 28V)
MP1583	4.75V – 23V	3A	385kHz	Balanced efficiency and EMI

Common Specifications

• Package: SOP-8
• Topology: Non-synchronous step-down (buck)
• Output Voltage: Adjustable (external resistor divider)
• Protections: OCP, thermal shutdown, UVLO, soft-start
• Pack Quantity: 5 pieces per order

Why Choose MPS Step-Down ICs?

• ✅ Industry-proven MPS design — used in major laptop and charger brands
• ✅ SOP-8 package — easy to solder by hand or reflow
• ✅ Integrated power switch — minimal external components required
• ✅ Full protection suite — OCP, thermal, UVLO, soft-start built in
• ✅ 5-pack value — ideal for prototyping, repair stock, and production

Typical Applications

• Laptop charger and adapter power supply repair
• DC-DC buck converter PCB design
• Industrial power supply modules
• LED driver power stage
• Battery-powered device voltage regulation
• Point-of-load (POL) converter in embedded systems

Package Contents

• 5 × DC-DC Step-Down IC (SOP-8, variant as selected)

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