· Integrated 40mΩ high-side MOSFET
· Low dropout operation: maxiﷺm🎀um duty cycle at 100%
· 🐽Uses external low-side MOSFET or Diode Support Synchron⛦ous and Asynchronous Buck
· N-MOSFET control as Type-C loadꦯ switches ꧋;
· Input bulk capa𒆙citance discharging during ܫpower-swap at VPIN pin
·ඣ Input voltage operating range from 3.5V to 26V
· Programmable VOUT range: 1.25V to 5.5V
· Up to 92.5% efficiency at 20VIN, 5VOUT/3A
· 475kHz internal oscillator
· Internal fixed soft-start time
· Cycle-by-cycle current limit🍌 up to 8A
· Output short-circuit 🌞protection with hic🌌cup
· Output over-voltage protection
· Thermal shutdown
· QFN-16 package, 3mm×3mm
The IM2603 is a power-management IC mainly for Type-C peripheral applications. It integrates a synchronous Buck converter with a built-in high-side MOSFET and a💯 gate driver for an optional low-side external MOSFET. If the input voltage VIN decreases to a voltage close to VOUT, it enters l♕ow dropout operation with 100% duty cycle. It features an internal fixed soft-start function and offers protection features including input UVLO, cycle-by-cycle current limit, output short-circuit protection (SCP) or OVP and thermal shutdown.
The IM2603 also con𝐆trol two N-MOSFET🔯s as load switches helping to reduce BOM cost. With a micro-processor, it can realize input bulk capacitance discharging during power swap.
The IM2603 is available in a 16-pin QFN package with featuring an exposed diℱe attach pad to aid ther🧔mal dissipation.
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