EVB-ER3105DI Intel

Enpirion Power Datasheet ER3105DI 500mA Wide V IN Synchronous Buck Regulator DS-1041 Datasheet The Altera Enpirion ER3105DI is a 500mA Features Synchronous buck regulator with an input range of 3V to Wide input voltage range 3V to 36V 36V. It provides an easy to use, high efficiency low BOM count solution for a variety of applications. Synchronous Operation for high efficiency The ER3105DI integrates both high-side and low-side No compensation required NMOS FET s and features a PFM mode for improved Integrated High-side and Low-side NMOS devices efficiency at light loads. This feature can be disabled if Selectable PFM or forced PWM mode at light loads forced PWM mode is desired. The part switches at a default frequency of 500kHz but may also be Internal fixed (500kHz) or adjustable Switching programmed using an external resistor from 300kHz to frequency 300kHz to 2MHz 2MHz. The ER3105DI has the ability to utilize internal or Continuous output current up to 500mA external compensation. By integrating both NMOS Internal or external Soft-start devices and providing internal configuration options, minimal external components are required, reducing Minimal external components required BOM count and complexity of design. Power-good and enable functions available. With the wide V range and reduced BOM the part IN provides an easy to implement design solution for a Applications variety of applications while giving superior FPGA power performance. It provides a very robust design for Digital processor power industrial, battery, and FPGA power applications. Mixed-signal ASIC power The part is available in a small Pb free 4mmx3mm DFN plastic package with an operation temperature range of Industrial control -40C to +125C Medical devices Portable instrumentation Distributed Power supplies Cloud Infrastructure 100 V = 12V V = 5V IN IN V = 15V IN 95 90 85 12 1 SS FSW 80 2 11 COMP SYNC R2 CFB 10 75 3 BOOT FB CBOOT GND 100nF 9 4 R3 70 V = 33V PVIN IN CVIN AVINO V = 24V CAVINO IN 10F 1F VOUT 5 65 SW POK COCOUUTT L1 6 1010FF 22H 60 PGND EN 55 INTERNAL DEFAULT PARAMETER SELECTION 50 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 OUTPUT LOAD (A) FIGURE 1. TYPICAL APPLICATION FIGURE 2. EFFICIENCY vs LOAD, PFM, V = 3.3V OUT 2014 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, HARDCOPY, MAX, MEGACORE, NIOS, QUARTUS and STRATIX words and logos are trademarks of Altera Corporation and registered in the U.S. Patent and Trademark Office and in other countries. All other words and logos identified as trademarks or service marks are the property of ISO their respective holders as described at www.altera.com/common/legal.html. Altera warrants performance of its semiconductor 9001:2008 products to current specifications in accordance with Altera s standard warranty, but reserves the right to make changes to any 101 Innovation Drive Registered products and services at any time without notice. Altera assumes no responsibility or liability arising out of the application or use San Jose, CA 95134 of any information, product, or service described herein except as expressly agreed to in writing by Altera. Altera customers are advised to obtain the latest version of device specifications before relying on any published information and before placing orders www.altera.com for products or services. September 2014 Altera Corporation Subscribe 09616 September 3, 2014 Rev B EFFICIENCY (%)Page 2 Ordering Information PART NUMBER PART TEMP. RANGE PACKAGE PKG. (Notes 1, 2, 3) MARKING (C) (Pb-Free) DWG. ER3105DI 3105 -40 to +125 12 Ld DFN L12.4x3 EVB-ER3105DI Evaluation Board NOTES: 1. Add T suffix for Tape and Reel. 2. These Altera Enpirion Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Altera Enpirion Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. ER3105DI 500mA Wide VIN Synchronous Buck Regulator September 2014 Altera Corporation 09616 September 3, 2014 Rev B