LXDC2UR series micro dcdc converter 1 june 2012 e a 1 b e (c0.15) 2 3 8 9 4 7 6 5 d d c c l w ic capacitor t substrate top view bottom view 1. features ? low emi noise and small footprint using inductor-imbedded ferrite substrate ? high efficiency using synchronous rectifier technology ? selectable operating mode (pwm forced or pfm/pwm auto-select) ? input voltage range: 2.7 - 5.5v ? output voltage: 1.2 - 3.3v ? maximum load current: 600ma ? switching frequency: 6.0mhz 2. mechanical details 2-1 outline unit:mm mark dimension mark dimension l 2.5 +/- 0.2 a 0.45 +/-0.1 w 2.3 +/- 0.2 b 0.35 +/- 0.1 t 1.2max c 0.325 d 0.375 e 0.25 +/- 0.2 side view
LXDC2UR series micro dcdc converter 2 june 2012 2-2 pin configuration no. symbol i/o description 1 mode input operation mode select pin h: forced pwm mode, l: auto pfm/pwm mode 2 gnd - gnd pin 3,4 vout output voltage output pin 5 en input on/off control pin h: enable, l: disable 6 gnd - gnd pin 7,8 vin input voltage input pin 9 gnd - gnd pin 3. ordering information part number output voltage device specific feature moq LXDC2UR12a-118 1.2v t/r,3000pcs/r LXDC2UR15a-119 1.5v t/r,3000pcs/r LXDC2UR18a-120 1.8v t/r,3000pcs/r LXDC2UR30a-143 3.0v t/r,3000pcs/r LXDC2UR33a-122 3.3v t/r,3000pcs/r 4. electrical specification 4-1 absolute maximum ratings parameter symbol rating unit maximum input voltage vin 6.3 v operating temperature t op -40 to +85 o c storage temperature t sto -40 to +85 o c
LXDC2UR series micro dcdc converter 3 june 2012 4-2 electrical characteristics (ta=25 ) parameter symbol condition min. typ. max. unit input voltage vin LXDC2UR12a-118 2.7 - 5.5 v LXDC2UR15a-119 2.7 LXDC2UR18a-120 2.7 LXDC2UR30a-143 3.6 LXDC2UR33a-122 3.6 uvlo voltage uvlo - 2.05 - v input leak current iin-off 0.1 ua output voltage accuracy vout vin-vout>0.6v LXDC2UR12a-118 1.176 1.2 1.224 v LXDC2UR15a-119 1.47 1.5 1.53 LXDC2UR18a-120 1.746 1.8 1.854 LXDC2UR30a-143 2.94 3.0 3.06 LXDC2UR33a-122 3.234 3.3 3.366 load current range iout LXDC2UR12a-118 0 - 600 ma LXDC2UR15a-119 0 600 LXDC2UR18a-120 0 - 600 LXDC2UR30a-143 0 - 600 LXDC2UR33a-122 0 - 600
LXDC2UR series micro dcdc converter 4 june 2012 parameter symbol condition min. typ. max. unit ripple voltage vrpl vin=3.6v, iout=300ma, bw=100mhz LXDC2UR12a-118 - 15 - mv(p-p) LXDC2UR15a-119 15 LXDC2UR18a-120 15 LXDC2UR30a-143 15 vin=5.0v, iout=300ma, bw=100mhz LXDC2UR33a-122 15 efficiency eff vin=3.6v, io=300ma LXDC2UR12a-118 - 82 - % LXDC2UR15a-119 84 LXDC2UR18a-120 - 87 -- LXDC2UR30a-143 - 93 - vin=5.0v, iout=300ma LXDC2UR33a-122 - 90 - en control voltage venh 1.4 - vin v venl 0 - 0.4 mode voltage vmodeh 1.4 - vin v vmodel 0 - 0.4 sw frequency fosc - 6 - mhz start-up time ton 170 us
LXDC2UR series micro dcdc converter 5 june 2012 4-3 output current derating 0 100 200 300 400 500 600 700 -40 -20 0 20 40 60 80 100 i o u t [ m a ] ta [ ] LXDC2UR thermal derating vin<5.0v this product is used by the following temperature derating.
LXDC2UR series micro dcdc converter 6 june 2012 3 2 1 4 9 8 5 6 7 d d b a c c (c0.15) 5. test cricuit LXDC2UR en vout vin mode gnd (1) (3), (4) (2), (6), (9) (5) (7), (8) v_en vin v_mode 6. reference land pattern unit mm mark dimension a 0.45 b 0.35 c 0.325 d 0.375 notes: this land layout is for reference purpose only. top view
LXDC2UR series micro dcdc converter 7 june 2012 7. measurement data micro dcdc converter evaluation board (p2lx0006) measurement setup
LXDC2UR series micro dcdc converter 8 june 2012 60 65 70 75 80 85 90 1 10 100 1,000 e f f [ % ] iout [ma] 60 65 70 75 80 85 90 1 10 100 1,000 e f f [ % ] iout [ma] 60 65 70 75 80 85 90 95 100 1 10 100 1,000 e f f [ % ] iout [ma] 60 65 70 75 80 85 90 95 100 1 10 100 1000 e f f [ % ] iout [ma] typical measurement data (reference purpose only) (ta=25 ) efficiency vin=3.6v, vout=1.2v vin=3.6v, vout=1.5v vin=3.6v, vout=1.8v vin=3.6v, vout=3.0v vin=5.0v, vout=3.3v 60 65 70 75 80 85 90 1 10 100 1,000 e f f [ % ] iout [ma]
LXDC2UR series micro dcdc converter 9 june 2012 1.176 1.188 1.200 1.212 1.224 0 100 200 300 400 500 600 v o u t [ v ] iout [ma] 1.470 1.485 1.500 1.515 1.530 0 100 200 300 400 500 600 v o u t [ v ] iout [ma] 1.764 1.782 1.800 1.818 1.836 0 100 200 300 400 500 600 v o u t [ v ] iout [ma] 2.94 2.97 3 3.03 3.06 0 100 200 300 400 500 600 v o u t [ v ] iout [ma] 3.234 3.267 3.300 3.333 3.366 0 100 200 300 400 500 600 v o u t [ v ] iout [ma] typical measurement data (reference purpose only) (ta=25 ) load regulation vin=3.6v, vout=1.2v vin=3.6v, vout=1.5v vin=3.6v, vout=1.8v vin=3.6v, vout=3.0v vin=5.0v, vout=3.3v
LXDC2UR series micro dcdc converter 10 june 2012 0 10 20 30 40 50 60 0 100 200 300 400 500 600 v r p l [ m v p p ] iout [ma] 0 10 20 30 40 50 60 0 100 200 300 400 500 600 v r p l [ m v p p ] iout [ma] 0 10 20 30 40 50 60 0 100 200 300 400 500 600 v r p l [ m v p p ] iout [ma] 0 10 20 30 40 50 60 0 100 200 300 400 500 600 v r p l [ m v p p ] iout [ma] 0 10 20 30 40 50 60 0 100 200 300 400 500 600 v r p l [ m v p p ] iout [ma] typical measurement data (reference purpose only) (ta=25 ) output ripple-noise vin=3.6v, vout=1.2v , bw : 150mhz vin=3.6v, vout=1.5v, bw : 150mhz vin=3.6v, vout=1.8v, bw : 150mhz vin=3.6v, vout=3.0v, bw : 150mhz vin=5.0v, vout=3.3v, bw : 150mhz note: 1. this datasheet's specifications are subject to change or our products in it may be discontinued without advance notice. please check with our sales representatives or product engineers before ordering. 2. this datasheet has only typical specifications because there is no space for detailed specifications. therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
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