DataSheeT enpirion power solutions EN5339QI 3A PowerSoC Step-Down DC-DC Switching Converter with Integrated Inductor DESCRIPTION FEATURES The EN5339QI is an Intel Enpirion Power System on Integrated Inductor a Chip (PowerSoC) DC-DC converter. It integrates the 2 Solution Footprint as Small as 55 mm inductor, MOSFET switches, small-signal circuits and Low Profile, 1.1mm compensation in an advanced 4mm x 6mm x 1.1mm 24-pin QFN package. High Reliability Solution: 280k Years MTBF High Efficiency, up to 95% The EN5339QI PowerSoC is designed specifically to Low Output Ripple Voltage <5mV Typical meet the driving demand for higher power density by P-P providing a fully integrated buck converter. It features 3% Output Variation Over Line, Load, Temp high efficiency, excellent line and load regulation and 2.4 V to 5.5 V Input Voltage Range guarantees the full 3A output current over 3A Continuous Output Current Capability temperature. Output Enable and Power OK Signal The EN5339QI operates at high switching frequency Under Voltage Lockout, Over Current, Short and allows for the use of tiny MLCC capacitors. It also Circuit, and Thermal Protection enables a very wide control loop bandwidth providing RoHS Compliant Halogen Free 260C Reflow excellent transient performance and reduced output impedance. APPLICATIONS Intel Enpirion integrated inductor solution Applications with Low Profile Requirement such as significantly helps to reduce noise. The complete SSD and Embedded Computing power converter solution enhances productivity by SAN/NAS Accelerator Appliance offering greatly simplified board design, layout and manufacturing requirements. Controllers, Raid, Processors, Network Processors, DSPs FPGAs, and ASICs All Enpirion products are RoHS compliant and lead- free manufacturing environment compatible. Noise Sensitive Applications Efficiency vs. Output Current 100k 100 POK 90 V OUT POK ENABLE VOUT 80 V IN PVIN 70 C OUT TST0 60 3x 22F Ca Actual Solution Size C EN5339QI IN TST1 Ra 2 50 CONDITIONS 55mm or TST2 22F VIN = 3.3V 40 PGND 2x 47F VFB 30 AVIN AGND VOUT = 2.5V PGND 20 1F VOUT = 1.2V Rb 10 0 0 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT (A) Figure 1: Simplified Applications Circuit Figure 2: Highest Efficiency in Smallest Solution Size Page 1 EFFICIENCY (%)POK TST0 ENABLE TST1 PVIN TST2 PGND PVIN NC(SW) PGND NC(SW) VOUT NC(SW) VOUT NC(SW) VOUT Datasheet Intel Enpirion Power Solutions: EN5339QI ORDERING INFORMATION Part Number Package Markings T Rating Package Description J EN5339QI EN5339 -40C to +125C 24-pin (4mm x 6mm x 1.1mm) QFN EVB-EN5339QI EN5339 QFN Evaluation Board Packing and Marking Information: