skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 203462a ? skyworks proprietary information ? products and product information are subject to change without notice ? feb ruary 11, 2015 1 product summary SKY87006: high-frequency step-down converter with mipi ? rf front-end control for 2g/3g/4g rf power amplifiers applications ? 2g/3g/4g modules ? smartphones ? wireless data cards ? tablets/netbooks and e-readers features ? dynamic output voltage: 0.4 v to 3.6 v: ? register 0, fast write 7-bit resolution control (30 mv steps) ? register 3, 8-bit resolution control (15 mv steps) ? modes: ? low power mode ? standby mode ? light-load power saving mode ? forced pwm mode ? bypass mode ? high switching frequency: 2.5 mhz ? mipi rf front-end control interface ? efficiency up to 96% ? integrated bypass regulator ? over-temperature and short-circuit protection ? small footprint, 9-bump wlcsp package (msl1, 260 oc per jedec j-std-020) s kywork s g reen tm product s are compliant with all applicable legi s lation and are halogen-free. for additional information, refer to skyworks de?ition of green tm , document number s q04C0074. description the SKY87006 is a dynamic output controlled dc-dc step-down converter for multimode 2g gsm/edge, 3g wcdma, and 4g lte rf power amplifier (rfpa) applications. the SKY87006 has a programmable output voltage range between 0.4 v and 3.6 v with optimized efficiency for all operating states where load currents are 850 ma or less, but can support typical peak load currents up to 1.5 a. the SKY87006 output voltage is set by using a mobile industry processor interface (mipi) rf front-end (rffe) control with a fast- write 7-bit resolution (30 mv steps) data register or an 8-bit high resolution (15 mv steps) data register. to cover peak load current demands and low input voltage drop- out conditions, the dc-dc regulation control has an automatic linear regulator bypass switch to connect from the the source battery supply to the output. this minimizes voltage drop and provides a 1.5 a (typical) current limit for circuit protection. the output current capability of the dc-dc switching regulator and regulated ldo bypass can support typical load currents up to 3.0 a. high switching frequency operation permits the use of a small inductor and reduces output capacitance requirements. reduced external component values aid ultrafast transient response needs of cellular rf power amplifier applications. the SKY87006 has a light load power saving mode. locked pwm operation is made possible by a mipi rffe control register bit. locking pwm operation can improve load transient response, which can improve performance for 2g operating modes. the SKY87006 is available in a small wafer level chip scale package (wlcsp), and is rated over a range of ? 40 to +85 c. figure 1 shows the SKY87006 system diagram.
product summary ? SKY87006: high-frequency step-down converter skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 2 february 11, 2015 ? skyworks proprietary information ? pro ducts and product information are subject to change without not ice ? 203462a ba s eband proce ss or sky 8 700 6 in s s data lx out p g nd a g nd vio sc lk inl m i p i tx s data sc lk vio 2 g /3 g /4 g multimode rf pa rx duplexer li-ion battery c ell c in 10 f c out 4.7 f v out = 0.4 v to 3. 6 v t010 6 l v bat v bat figure 1. SKY87006 system diagram
product summary ? SKY87006: high-frequency step-down converter skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 203462a ? skyworks proprietary information ? products and product information are subject to change without notice ? feb ruary 11, 2015 3 ordering information model name manufacturing part number evaluation board part number SKY87006: high-frequency step-down co nverter for 2g/3g/4g rf power amplifiers SKY87006-11-001 SKY87006-11-001-evb copyright ? 2015 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skyworks) products or services. these m aterials, including the information contained herein, are provided by skyworks as a service to its customers and may be used for info rmational purposes only by the customer. skyworks assumes no res ponsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentat ion, products, services, specific ations or product descriptions at any time, without notice. sk yworks makes no commitment to update the materials or information and shall have no responsib ility whatsoever for conflicts, incompatibilities, or other diff iculties arising from any future changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document . skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, re production or use of skyworks products, information or mate rials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are pr ovided as is without warranty of any ki nd, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantability, performance, qualit y or non-infringement of any intellectual property right; all su ch warranties are hereby expressly disclaimed. skyworks does not warrant the accu racy or completeness of the information, text, graphics or other items contained within these ma terials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequentia l damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, whet her or not the recipient of mat erials has been advised of the possibility of such damage. skyworks products are not intended for use in medical, lifesavi ng or life-sustaining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyworks customers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications us ing skyworks products, which ma y deviate from published specifi cations as a result of design defects, errors, or operation of products outside of published pa rameters or design specifications. customers sh ould include design and operating safeguards to minimize these and other risks. skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of skyworks products outsid e of stated published specifications or parameters. skyworks and the skyworks symbol are trademar ks or registered trademarks of skyworks solutions, inc., in the united states and other countries. third-party brands and names are for identification purposes only, and are the property of their resp ective owners. additional inform ation, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
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