EP53A8LQI

DataSheeT – enpirion® power solutions EP53A8xQI 1A PowerSoC Step-Down DC-DC Switching Converter with Integrated Inductor DESCRIPTION The EP53A8xQI is an Intel® Enpirion® Power System on a Chip (PowerSoC) DC-DC converter. It integrates the inductor, MOSFET switches, small-signal circuits and compensation in an advanced 3mm x 3mm x 1.1mm 16-pin QFN package. FEATURES • Integrated Inductor Technology • -40°C to +85°C Ambient Temperature Range • 3mm x 3mm x 1.1mm QFN Package • Total Solution Footprint ~ 21mm2 Integrated inductor ensures the complete power solution is fully characterized with the inductor carefully matched to the silicon and compensation network. It enables a tiny solution footprint, low output ripple, low part-count, and high reliability, while maintaining high efficiency. The complete solution can be implemented in as little as 21mm2 and operate from -40°C to 85°C ambient temperature range. • Low VOUT Ripple for IO Compatibility • High Efficiency, up to 94% • VOUT Range 0.6V to VIN – 0.5V • 1A Continuous Output Current • 5 MHz Switching Frequency • 3-pin VID for Glitch Free Voltage Scaling • Internal soft start circuit The EP53A8xQI uses a 3-pin VID to easily select the output voltage setting. Output voltage settings are available in two optimized ranges providing coverage for typical VOUT settings. • Short Circuit and Over Current Protection • UVLO and Thermal Protection • IC Level Reliability in a PowerSoC Solution The VID pins can be changed on the fly for fast dynamic voltage scaling. EP53A8LQI further has the option to use an external voltage divider. All Enpirion products are RoHS compliant and leadfree manufacturing environment compatible. EP53A8xQI 4.7µF 0805 X7R Portable Wireless and RF applications • Wireless Broad Band Data Cards • Solid State Storage Applications • Noise and Space Sensitive Applications VOUT AVIN ENABLE VSENSE VS0 VFB VS1 VS2 PGND AGND 10µF 0805 X7R EFFICIENCY (%) 100Ω • VOUT VIN PVIN APPLICATIONS Efficiency vs. IOUT (VIN = 3.3V) 100 95 90 85 80 75 70 65 60 55 50 45 40 21mm2 CONDITIONS VIN = 3.3V 0 VOUT = 2.5V 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 OUTPUT CURRENT (A) Figure 1: Simplified Applications Circuit Figure 2. Highest Efficiency in Smallest Solution Size Page 1 03651 September 20, 2018 Rev H Datasheet | Intel® Enpirion® Power Solutions: EP53A8xQI ORDERING INFORMATION Part Number Package Markings TJ Rating Package Description EP53A8LQI AJXX -40°C to +125°C 16-pin (3mm x 3mm x 1.1mm) QFN EP53A8HQI AMXX -40°C to +125°C 16-pin (3mm x 3mm x 1.1mm) QFN EVB-EP53A8xQI QFN Evaluation Board Packing and Marking Information: https://www.altera.com/support/quality-and-reliability/packing.html NC(SW) 1 2 13 AVIN PGND PGND 3 12 ENABLE VFB 4 11 VSENSE 5 AGND 6 7 8 NC(SW) PVIN 16 15 14 PVIN 2 13 AVIN PGND 3 12 ENABLE VS0 NC 4 11 VS0 10 VS1 VSENSE 5 10 VS1 9 VS2 AGND 9 VS2 Figure 3. EP53A8LQI Pin Out Diagram (Top View) 6 7 8 VOUT 14 NC(SW) 15 VOUT NC(SW) PGND 16 VOUT 1 VOUT NC(SW) NC(SW) PIN FUNCTIONS Figure 4. EP53A8HQI Pin Out Diagram (Top View) NOTE A: NC pins are not to be electrically connected to each other or to any external signal, ground or voltage. However, they must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage. NOTE B: White ‘dot’ on top left is pin 1 indicator on top of the device package. Page 2 03651 September 20, 2018 Rev H Datasheet | Intel® Enpirion® Power Solutions: EP53A8xQI PIN DESCRIPTIONS PIN NAME TYPE FUNCTION 1, 15, 16 NC(SW) - NO CONNECT – These pins are internally connected to the common switching node of the internal MOSFETs. NC (SW) pins are not to be electrically connected to any external signal, ground, or voltage. However, they must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage to the device. 2, 3 PGND Ground Power ground. Connect this pin to the ground electrode of the Input and output filter capacitors. 4 VFB/ NC Analog 5 VSENSE Analog Sense pin for preset output voltages. Refer to application section for proper configuration. 6 AGND Power Analog ground. This is the quiet ground for the internal control circuitry, and the ground return for external feedback voltage divider 7, 8 VOUT Power Regulated Output Voltage. Refer to application section for proper layout and decoupling. EP53A8LQI: Feedback pin for external divider option. EP53A8HQI: No Connect Output voltage select. VS2 = pin 9, VS1 = pin 10, VS0 = pin 11. 9, 10, 11 VS2, VS1, VS0 Analog EP53A8LQI: Selects one of seven preset output voltages or an external resistor divider. EP53A8HQI: Selects one of eight preset output voltages. (Refer to section on output voltage select for more details.) 12 ENABLE Analog Output Enable. Enable = logic high; Disable = logic low 13 AVIN Power Input power supply for the controller circuitry. Connect to PVIN through a 100 Ohm resistor. 14 PVIN Power Input Voltage for the MOSFET switches. ABSOLUTE MAXIMUM RATINGS CAUTION: Absolute Maximum ratings are stress ratings only. Functional operation beyond the recommended operating conditions is not implied. Stress beyond the absolute maximum ratings may impair device life. Exposure to absolute maximum rated conditions for extended periods may affect device reliability. Absolute Maximum Pin Ratings PARAMETER SYMBOL MIN MAX UNITS Input Supply Voltage -0.3 6.0 V ENABLE, VSENSE, VSO – VS2 -0.3 VIN+0.3 V VFB (EP53A8LQI) -0.3 2.7 V Page 3 03651 September 20, 2018 Rev H Datasheet | Intel® Enpirion® Power Solutions: EP53A8xQI Absolute Maximum Thermal Ratings PARAMETER CONDITION MIN Maximum Operating Junction Temperature Storage Temperature Range Reflow Peak Body Temperature -65 (10 Sec) MSL3 JEDEC J-STD-020A MAX UNITS +150 °C +150 °C +260 °C MAX UNITS Absolute Maximum ESD Ratings PARAMETER CONDITION MIN HBM (Human Body Model) ±2000 V RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN MAX UNITS Input Voltage Range VIN 2.7 5.5 V Operating Ambient Temperature Range TA -40 +85 °C Operating Junction Temperature TJ -40 +125 °C THERMAL CHARACTERISTICS PARAMETER Thermal Resistance: Junction to Ambient –0 LFM (1) Thermal Overload Trip Point Thermal Overload Trip Point Hysteresis SYMBOL TYPICAL UNITS JA 80 °C/W TJ-TP +155 °C 25 °C (1) Based on 2oz. external copper layers and proper thermal design in line with EIJ/JEDEC JESD51-7 standard for high thermal conductivity boards. Page 4 03651 September 20, 2018 Rev H Datasheet | Intel® Enpirion® Power Solutions: EP53A8xQI ELECTRICAL CHARACTERISTICS NOTE: VIN = 3.6V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted. Typical values are at TA = 25°C. PARAMETER Operating Input Voltage SYMBOL TEST CONDITIONS VIN MIN TYP 2.4 MAX UNITS 5.5 V Under Voltage LockOut – VIN Rising VUVLOR 2.0 V Under Voltage LockOut – VIN Falling VUVLOF 1.9 V/ms Drop Out Resistance RDO Input to Output Resistance Output Voltage Range VOUT EP53A8LQI (VDO = ILOAD X RDO) EP53A8HQI Dynamic Voltage Slew Rate VSLEW EP53A8HQI EP53A8LQI VID Preset VOUT Initial Accuracy 350 0.6 1.8 500 mΩ VIN-VDO 3.3 V 8 4 V/ms TA = 25C, VIN = 3.6V; VOUT ILOAD = 100mA ; -2 +2 % 0.612 V 0.8V ≤ VOUT ≤ 3.3V VFB Pin Voltage (Load and Temperature) 0A ≤ ILOAD ≤ 1A VVFB Starting Date Code: X501 or greater 0.588 0.6 Line Regulation VOUT_LINE 2.4V ≤ VIN ≤ 5.5V; Load = 0A 0.03 %/V Load Regulation VOUT_LOAD 0A ≤ ILOAD ≤ 1A; VIN = 3.6V 0.6 %/A Temperature Variation VOUT_TEMPL -40C ≤ TA ≤ +85C 30 ppm/C Output Current Range IOUT Subject to de-rating Shut-down Current ISD Enable = Low OCP Threshold ILIM 2.4V ≤ VIN ≤ 5.5V 0.6V ≤ VOUT ≤ 3.3V 0 1.25 1000 mA 0.75 µA 1.4 A VS0-VS2, Pin Logic Low VVSLO 0.0 0.3 V VS0-VS2, Pin Logic High VVSHI 1.4 VIN V VS0-VS2, Pin Input Current (2) IVSX