for technical questions, contact functionpak@vishay.com for marketing questions, contact functionpak.marketing@vishay.com www.vishay.com 15 fx5545 gxxx xxx pi vishay document number: 10130 revision 25-may-04 features specially designed for prototyping in labs with limited assembly equipment. fully integrated dc/dc converter no external components required buck or boost configurations high efficiency over large load range 100% duty cycle power density - more than 570w/inch 3 ? a shutdown current 2.5v to 6v input range (1li+ and 3-cell nicd or nimh cells) 0.9v to 6v output voltage programmable pwm/psm controls low output ripple standard socket construction or plug-in for prototype (use bga for production) temperature range: - 40 c to + 85 c output power 15w maximum continuous current 4a the dc/dc converter is a programmable topology synchronized buck or boost converter for today s continuous changing electronic market. the dc/dc converter provides flexibility of utilizing various battery configurations and chemistries such as nicd, nimh, or li+ with input voltage range of 2.5v to 6v. an additional flexibility is provided with topology programmability to power multiple loads such as power amplifiers, microcontrollers, or baseband logic ic s. for ultra-high efficiency, converters are designed to operate in synchronous rectified pwm mode under full load while transforming into externally controlled pulse-skipping mode (psm) under light load. the dc/dc converter is available in 20-ports bga package for production. convenient 8-pin plug-in modules are available for prototyping. in order to satisfy the stringent ambient temperature requirements, the dc/dc converter is designed to handle the industrial temperature range of - 40 c to + 85 c, with no cooling or derating fx 5545 g pi* function size circuit identifier output voltage-example: 2.7v should be written as 2v7 as the v indicates the decimal point, or adj for adjustable version - self selectable output voltage. plug-in version ordering information application point of load (pol) applications such as drivers for fpga s, microprocessors, dsp s, amplifiers, etc. cordless phones, pdas and others supply voltage source for low-voltage chip sets portable computers battery back-up supplies cameras fully integrated dc/dc converter 0.9v to 6v, 4a with 570w/in 3 power density, efficiency up to 95%. simplified lab assembly configuration for all models *pi is the abbreviation of plug-in. when ordering please use an upper case i, not a lower case l.
for technical questions, contact functionpak@vishay.com for marketing questions, contact functionpak.marketing@vishay.com document number: 10130 revision 25-may-04 www.vishay.com 16 fx5545 gxxx xxx pi vishay pin description sd logic low on sd pin shuts down the functionpak completely and decreases current consumption to less than 1 a. pwm/psm logic high =pwm mode, logic low =psm mode. in psm mode synchronous rectification is disabled. sync externally controlled synchronization signal. logic high to low transition forces the clock synchronization. if not used the pin must be connected to vin or logic high. vin input supply voltage vout output voltage gnd ground rext. included inside the package for all fixed output voltage converters. to be added externally for all self-selected output volta ges. sd sync rext vin disable enable converter load pwm vout psm pwm/psm vin rext external clock gnd pin description and recommended board layout model circuit type description input volts output volts identifier @ amps fx5545g001xvxpi g001 1.5w, 0.6a 2.5 ?6.0 1.35 - 4.5* @ 0.6 max fx5545g201xvxpi g201 3w, 1.0a 2.5 ?6.0 1.35 - 4.5* @ 1.0 max fx5545g018xvxpi g018 3.6w, 3.0a 2.5 ?6.0 0.9 - 1.3 @ 3.0 max fx5545g005xvxpi g005 5w, 1.5a 2.5 ?6.0 1.35 - 4.5* @ 1.5 max fx5545g105xvxpi g105 6.5w, 2.0a 2.5 ?6.0 1.35 - 4.5* @ 2.0 max fx5545g205xvxpi g205 8w, 2.5a 2.5 ?6.0 1.35 - 4.5* @ 2.5 max fx5545g008xvxpi** g008 10w, 3.0a 2.5 ?6.0 0.9 - 4.5* @ 3.0 max fx5545g305xvxpi g305 10w, 3.0a 2.5 ?6.0 1.35 - 4.5* @ 3.0 max fx5545g108xvxpi** g108 15w, 4.0a 2.5 ?6.0 0.9 - 4.5* @ 4.0 max fx5545g002xvxpi g002 1.5w, 0.3a 2.5 ?6.0 3.3 - 6.0 @ 0.3 max fx5545g202xvxpi g202 3w, 0.6a 2.5 ?6.0 3.3 - 6.0 @ 0.6 max fx5545g402xvxpi g402 5w, 1.0a 2.5 ?6.0 3.3 - 6.0 @ 1.0 max fx5545g006xvxpi g006 9w, 1.5a 2.5 ?6.0 3.3 - 6.0 @ 1.5 max fx5545g106xvxpi g106 12w, 2.0a 2.5 ?6.0 3.3 - 6.0 @ 2.0 max fx5545g206xvxpi g206 15w, 2.5a 2.5 ?6.0 3.3 - 6.0 @ 2.5 max design reference guide - for details see www.vishay.com/integrated-modules/ *note: for higher output voltage please consult factory at functionp ak@v ishay .com ** note: fx5545g008adjpi and fx5545g108adjpi are available only at 1.35v - 4.5v output voltage buck boost 0.69 in (17.5 mm) 0.98 in 0.23in 0.31 in (25.0 mm) (5.84 mm) (7.9 mm) 0.1 in (2.54 mm) 0.1 in (2.54 mm) pin 1 pin (0.64 mm) view from bottom side use standard strip 0.1" (2.54 mm) centers, double row all positions filled pad recommended 0.060 in 0.1 in (2.54 mm) drill size 0.040 10 (1.02 mm) 0.1 in (2.54 mm) 8 1 5 4 recommended board layout 1 2 3 4 5 6 7 vout vin gnd rext sync sd pwm gnd 8 pin no: description
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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