DataSheeT enpirion power solutions EP53F8QI 1500mA PowerSoC Step-Down DC-DC Switching Converter with Integrated Inductor 2 Solution Power Density up to 140mW/mm DESCRIPTION 1500 mA Continuous Output Current The EP53F8QI is an Intel Enpirion Power System on a Chip (PowerSoC) DC-DC converter. The EP53F8QI High Efficiency, up to 94 % provides high efficiency in a very small footprint. Low Ripple Voltage 8 mV Typical P-P Featuring integrated inductor, MOSFET switches, small-signal circuits and compensation in an Power OK Signal with 5 mA Sink Capability advanced 3mm x 3mm x 1.1mm 16-pin QFN package. 4 MHz Fixed Switching Frequency the device delivers up to 1500mA of continuous Low Dropout Operation: 100 % Duty Cycle output current. Total solution footprint can be as 2 little as 40mm . Under Voltage Lockout, Over Current, Short Circuit, and Thermal Protection Output voltage is programmed via an external resistor divider providing a wide range of flexibility RoHS Compliant MSL 3 260 C Reflow while maintaining a very small footprint. APPLICATIONS Integration of the inductor reduces conducted and Wireless wide area networking data cards. radiated noise providing excellent compatibility with sensitive RF and high speed data applications. Replacement of inefficient LDOs Noise Sensitive Applications FEATURES Computing, Computer Peripherals, Storage, Integrated Inductor Technology Networking, and Instrumentation 2 Total Solution Footprint as Small as 40 mm USB, DSL, STB, DVR, DTV, and iPC 3 mm x 3 mm x 1.1 mm QFN Package 95 85 75 V IN POK 5.0pF V PVIN OUT 65 C IN VOUT 10 Ra 55 EP53F8 10uF 680pF AVIN1 237k C OUT AVIN2 22 uF ENABLE 45 VFB AGND PGND 35 Rb 1 uF 25 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 Load Current (A) Figure 1. Typical Applications Circuit Figure 2. Efficiency, V =5V, V =3.7V IN OUT Page 1 Efficiency (%)Datasheet Intel Enpirion Power Solutions: EP53F8QI ORDERING INFORMATION Part Number Package Markings T Rating Package Description J EP53F8QI APXX -40C to +125C 16-pin (3mm x 3mm x 1.1mm) QFN EVB-EP53F8QI QFN Evaluation Board Packing and Marking Information: