LXDC2UR series Micro DCDC converter 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 Top View Bottom View Capacitor W あ e L Side View a (C0.15) ２ IC 1 2 3 8 9 4 7 6 5 c c e b d d Substrate T 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 1 June 2012 LXDC2UR series Micro DCDC converter 2-2 Pin configuration No. Symbol I/O Description 1 Mode Input 2 GND - 3,4 Vout Output 5 EN 6 GND 7,8 9 Vin H: Forced PWM mode, L: Auto PFM/PWM mode GND pin Input - Voltage output pin ON/OFF control pin H: Enable, L: Disable GND pin Input GND Operation mode select pin - Voltage input pin 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 TOP -40 to +85 o -40 to +85 o Storage temperature TSTO C C 2 June 2012 LXDC2UR series Micro DCDC converter 4-2 Electrical characteristics (Ta=25℃) Parameter Input voltage Symbol Vin UVLO voltage UVLO Input leak current Iin-off Output voltage accuracy Load current range Vout Iout Condition Min. LXDC2UR12A-118 2.7 LXDC2UR15A-119 2.7 LXDC2UR18A-120 2.7 LXDC2UR30A-143 3.6 LXDC2UR33A-122 3.6 - Typ. Max. Unit - 5.5 V 2.05 - V 0.1 uA LXDC2UR12A-118 1.176 1.2 1.224 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 LXDC2UR12A-118 0 - 600 LXDC2UR15A-119 0 LXDC2UR18A-120 0 - 600 LXDC2UR30A-143 0 - 600 LXDC2UR33A-122 0 - 600 Vin-Vout>0.6V V 600 3 June 2012 mA LXDC2UR series Micro DCDC converter Parameter Symbol Condition LXDC2UR12A-118 Ripple voltage Vrpl Vin=3.6V, Iout=300mA, BW=100MHz Vin=5.0V, Iout=300mA, BW=100MHz Typ. Max. - 15 - LXDC2UR15A-119 15 LXDC2UR18A-120 15 LXDC2UR30A-143 15 LXDC2UR33A-122 15 LXDC2UR12A-118 Vin=3.6V, Io=300mA Min. - LXDC2UR15A-119 82 mV(p-p) - 84 LXDC2UR18A-120 - 87 -- LXDC2UR30A-143 - 93 - LXDC2UR33A-122 - 90 - VENH 1.4 - Vin VENL 0 - 0.4 VMODEH 1.4 - Vin VMODEL 0 - 0.4 SW Frequency Fosc - 6 - Start-up time Ton Efficiency EFF Vin=5.0V, Iout=300mA EN control voltage MODE Voltage Unit 170 % V V MHz us 4 June 2012 LXDC2UR series Micro DCDC converter 4-3 Output Current Derating LXDC2UR Thermal Derating Vin<5.0V 700 Iout [mA] 600 500 400 300 200 100 0 -40 -20 0 20 40 60 80 100 Ta [℃ ] This product is used by the following temperature derating. 5 June 2012 LXDC2UR series Micro DCDC converter 5. Test Cricuit (7), (8) (5) Vin Vout Vin LXDC2UR EN Mode V_EN (3), (4) (1) V_Mode GND (2), (6), (9) 6. Reference Land Pattern Top View (C0.15) a b 3 2 1 4 9 8 5 6 7 c d d c 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. 6 June 2012 LXDC2UR series Micro DCDC converter 7. Measurement Data Micro DCDC Converter evaluation board (P2LX0006) Measurement setup 7 June 2012 LXDC2UR series Micro DCDC converter Typical Measurement Data (reference purpose only) (Ta=25℃) Efficiency Vin=3.6V, Vout=1.5V 90 90 85 85 80 80 EFF [%] EFF [%] Vin=3.6V, Vout=1.2V 75 75 70 70 65 65 60 60 1 10 100 1 1,000 10 1,000 100 1000 Iout [mA] Iout [mA] Vin=3.6V, Vout=1.8V Vin=3.6V, Vout=3.0V 100 90 95 85 90 EFF [%] 80 EFF [%] 100 75 70 85 80 75 70 65 65 60 60 1 10 100 1 1,000 10 Iout [mA] Iout [mA] Vin=5.0V, Vout=3.3V 100 95 EFF [%] 90 85 80 75 70 65 60 1 10 100 1,000 Iout [mA] 8 June 2012 LXDC2UR series Micro DCDC converter Typical Measurement Data (reference purpose only) (Ta=25℃) Load Regulation Vin=3.6V, Vout=1.5V 1.224 1.530 1.212 1.515 Vout [V] Vout [V] Vin=3.6V, Vout=1.2V 1.200 1.500 1.485 1.188 1.470 1.176 0 100 200 300 400 500 600 0 100 200 Iout [mA] 400 500 600 400 500 600 Iout [mA] Vin=3.6V, Vout=1.8V Vin=3.6V, Vout=3.0V 1.836 3.06 1.818 3.03 Vout [V] Vout [V] 300 1.800 1.782 3 2.97 1.764 2.94 0 100 200 300 400 500 600 0 Iout [mA] 100 200 300 Iout [mA] Vin=5.0V, Vout=3.3V 3.366 Vout [V] 3.333 3.300 3.267 3.234 0 100 200 300 400 500 600 Iout [mA] 9 June 2012 LXDC2UR series Micro DCDC converter Typical Measurement Data (reference purpose only) (Ta=25℃) Output Ripple-Noise Vin=3.6V, Vout=1.5V, BW : 150MHz 60 60 50 50 40 40 Vrpl [mVpp] Vrpl [mVpp] Vin=3.6V, Vout=1.2V , BW : 150MHz 30 20 30 20 10 10 0 0 0 100 200 300 400 500 0 600 100 200 Vin=3.6V, Vout=1.8V, BW : 150MHz 400 500 600 500 600 Vin=3.6V, Vout=3.0V, BW : 150MHz 60 60 50 50 40 40 Vrpl [mVpp] Vrpl [mVpp] 300 Iout [mA] Iout [mA] 30 20 10 30 20 10 0 0 0 100 200 300 400 500 600 0 Iout [mA] 100 200 300 400 Iout [mA] Vin=5.0V, Vout=3.3V, BW : 150MHz 60 Vrpl [mVpp] 50 40 30 20 10 0 0 100 200 300 400 500 600 Iout [mA] 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. 10 June 2012