Enpirion Power Datasheet EN2360QI 6A PowerSoC Voltage Mode Synchronous Buck With Integrated Inductor Not Recommended for New Designs Description Features The EN2360QI is a Power System on a Chip Integrated Inductor, MOSFETs, Controller (PowerSoC) DC-DC converter. It integrates MOSFET Wide Input Voltage Range: 4.5V 14V switches, small-signal control circuits, compensation 2 Total Solution Size Estimate: 185mm and an integrated inductor in an advanced 8x11x3mm Frequency Synchronization (External Clock) QFN module. It offers high efficiency, excellent line 1% Initial V Accuracy and load regulation over temperature. The EN2360QI OUT operates over a wide input voltage range and is Output Enable Pin and Power OK signal specifically designed to meet the precise voltage and Programmable Soft-Start Time fast transient requirements of high-performance Can be Pin Compatible with the EN2340QI (4A) products. The EN2360QI features frequency Under Voltage Lockout Protection (UVLO) synchronization to an external clock, power OK output voltage monitor, programmable soft-start along Short Circuit Protection with thermal and short circuit protection. The devices Thermal Shutdown Protection advanced circuit design, ultra high switching o RoHS Compliant, MSL Level 3, 260 C Reflow frequency and proprietary integrated inductor technology delivers high-quality, ultra compact, non- Applications isolated DC-DC conversion. Space Constrained Applications The Altera Enpirion solution significantly helps in Distributed Power Architectures system design and productivity by offering greatly simplified board design, layout and manufacturing Output Voltage Ripple Sensitive Applications requirements. In addition, overall system level Beat Frequency Sensitive Applications reliability is improved given the small number of Servers, Embedded Computing Systems, components required with the Altera Enpirion LAN/SAN Adapter Cards, RAID Storage Systems, solution. Industrial Automation, Test and Measurement, All Altera Enpirion products are RoHS compliant, and Telecommunications halogen free and are compatible with lead-free manufacturing environments. 47nF Efficiency vs. Output Current 0.22F 100 R PG V 560 OUT 90 PG BTMP VDDB BGND V IN VOUT PVIN 80 70 EN2360QI R VB 2x ON 4.75k 47F 60 R ENABLE A C A OFF 22F 0805 50 AVINO 1206 AVIN 40 R CA 1F 1F VFB CONDITIONS SS 30 V = 12.0V IN 20 47nF AVIN = 3.3V VOUT = 3.3V PGND PGND 10 Dual Supply R B FQADJ AGND RCLX 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 R 100k FS OUTPUT CURRENT (A) Figure 1. Simplified Applications Circuit Figure 2. Highest Efficiency in Smallest Solution Size (Footprint Optimized) www.altera.com/enpirion Page 1 07514 June 2, 2015 Rev D EFFICIENCY (%) EN2360QI Ordering Information Part Number Package Markings T Rating (C) Package Description AMBIENT EN2360QI EN2360QI -40 to +85 68-pin (8mm x 11mm x 3mm) QFN T&R EVB-EN2360QI EN2360QI QFN Evaluation Board Packing and Marking Information: www.altera.com/support/reliability/packing/rel-packing-and-marking.html Pin Assignments (Top View) 48 1 S OUT NC KEEP OUT 47 2 S IN NC 46 3 BGND NC 45 NC 4 VDDB 44 BTMP NC 5 69 PGND 43 NC 6 PG KEEP OUT 42 AVINO NC 7 41 NC 8 PVIN 40 9 PVIN NC 39 10 PVIN NC 38 11 PVIN NC 37 PVIN NC 12 36 NC 13 PVIN 35 NC 14 PVIN Figure 3: 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. All pins including NC pins must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage. NOTE B: Shaded area highlights exposed metal below the package that is not to be mechanically or electrically connected to the PCB. Refer to Figure 14 for details. NOTE C: White dot on top left is pin 1 indicator on top of the device package. Pin Description I/O Legend: P=Power G=Ground NC=No Connect I=Input O=Output I/O=Input/Output PIN NAME I/O FUNCTION 1-15, NO CONNECT These pins may be internally connected. Do not connect them to each 25-26, NC NC other or to any other electrical signal. Failure to follow this guideline may result in device 59, 64- damage. 68 16-24 VOUT O Regulated converter output. Connect these pins to the load and place output capacitor www.altera.com/enpirion Page 2 07514 June 2, 2015 Rev D 68 NC NC 15 67 16 NC VOUT 66 NC VOUT 17 65 18 NC VOUT 64 NC 19 VOUT 20 63 NC(SW) VOUT 21 62 NC(SW) VOUT NC(SW) 61 22 VOUT 60 23 CGND VOUT 59 NC 24 VOUT 58 25 FQADJ NC 57 26 NC RCLX 56 27 SS NC(SW) 55 EAIN 28 NC(SW) 54 29 VFB PGND 30 53 AGND PGND 52 AGND PGND 31 51 32 AVIN PGND 50 33 ENABLE PGND 49 POK 34 KEEP OUT PGND