LXDC2HL series Micro DCDC converter 1. Features Low EMI noise and small footprint using inductor-imbedded ferrite substrate High efficiency using synchronous rectifier technology and PFM/PWM auto-select function Input voltage range : 2.3~5.5V Maximum Load Current: 600mA (depends on output voltage) Fixed output voltage: 0.8V – 4V Switching frequency : 3.0MHz 2. Mechanical details 2-1 Outline Device&Trace Code 1 pin Mark a 2 4 3 b X X X 1 ２ あ W c c L IC Capacitor T Substrate Unit: mm Mark Dimension L 2.5 +/- 0.2 W 2.0 +/- 0.2 T 1.1 MAX a 0.85 +/- 0.1 b 0.60 +/- 0.1 c 0.15 +/- 0.15 2-2. Pin configuration Pin Symbol I/O 1 Vin Input 2 EN Input 3 Vout Output 4 GND - Description Voltage input pin ON/OFF control pin H: Enable, L: Disable Voltage output pin GND pin 1 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter 3. Ordering Information Part number Output Voltage Device Specific Feature MOQ LXDC2HL10A-080 1.0V T/R, 3000pcs/R LXDC2HL12A-050 1.2V T/R, 3000pcs/R LXDC2HL1DA-087 1.35V T/R, 3000pcs/R LXDC2HL15A-051 1.5V T/R, 3000pcs/R LXDC2HL18A-052 1.8V T/R, 3000pcs/R LXDC2HL25A-053 2.5V T/R, 3000pcs/R LXDC2HL30A-054 3.0V T/R, 3000pcs/R LXDC2HL33A-055 3.3V T/R, 3000pcs/R 4. Electrical Specification 4-1 Absolute maximum ratings Parameter Maximum input voltage Operating temperature Storage temperature symbol rating Vin 6.3 TOP TSTO 2 Confidential & Preliminary Unit V -40 to +85 o -40 to +85 o C C June.8,2010 LXDC2HL series Micro DCDC converter 4-2 Electrical characteristics (Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Input voltage Vin 2.3 3.6 5.5 V UVLO voltage UVLO 1.0 1.4 1.8 V 0 2 uA LXDC2HL10A-080 LXDC2HL12A-050 Vin=3.6V, EN=0V Input leak current lin-off LXDC2HL1DA-087 LXDC2HL15A-051 LXDC2HL18A-052 LXDC2HL25A-053 Vin=5.0V, EN=0V LXDC2HL33A-055 LXDC2HL10A-080 0.976 1.0 1.024 LXDC2HL12A-050 1.176 1.20 1.224 LXDC2HL1DA-087 1.323 1.35 1.377 LXDC2HL15A-051 1.47 1.50 1.53 LXDC2HL18A-052 1.764 1.80 1.836 LXDC2HL25A-05３ 2.45 2.50 2.55 Vin-Vout>0.7V LXDC2HL30A-054 2.94 3.00 3.06 Vin-Vout>0.5V LXDC2HL33A-055 3.234 3.30 3.366 Vin-Vout>1V Output voltage accuracy LXDC2HL30A-054 Vout V LXDC2HL10A-080 LXDC2HL12A-050 LXDC2HL1DA-087 Load current range Iout 0 600 LXDC2HL15A-051 mA LXDC2HL18A-052 LXDC2HL25A-053 0 500 LXDC2HL30A-054 0 400 LXDC2HL33A-055 0 300 LXDC2HL10A-080 LXDC2HL12A-050 Ripple voltage Vrpl Vin=3.6V, Iout=300mA, BW=100MHz LXDC2HL1DA-087 LXDC2HL15A-051 LXDC2HL18A-052 15 30 LXDC2HL25A-053 Vin=5V, Iout=300mA, BW=100MHz LXDC2HL30A-054 LXDC2HL33A-055 3 Confidential & Preliminary June.8,2010 mV LXDC2HL series Micro DCDC converter Parameter Symbol Condition Vin=3.6V, Iout=150mA Efficiency EFF Vin=5V, Iout=150mA EN control voltage SW Frequency VENH ON ; Enable VENL OFF ; Disable Min. Typ. LXDC2HL10A-080 73 78 LXDC2HL12A-050 75 80 LXDC2HL1DA-087 77 82 LXDC2HL15A-051 81 85 LXDC2HL18A-052 81 85 LXDC2HL25A-053 84 88 LXDC2HL30A-054 83 87 LXDC2HL33A-055 84 88 fosc 1.4 Max. % Vin 0 Unit V 0.25 V 2.5 3.0 3.5 MHｚ 600 900 1200 LXDC2HL10A-080 LXDC2HL12A-050 LXDC2HL1DA-087 LXDC2HL15A-051 Over current protection OCP Tlatch Start-up time mA LXDC2HL18A-052 LXDC2HL25A-053 550 900 1200 LXDC2HL30A-054 450 900 1200 LXDC2HL33A-055 350 900 1200 If the over current event continues less than Tlatch, auto-recovery. If the over current event continues more than Tlatch, latch-up. Restart by toggling EN voltage or Vin voltage Latch-up mask time 20 @Vout=0.8×Vnom Ton 0.9 Msec * Test condition is shown in section 6. 4 Confidential & Preliminary Usec June.8,2010 LXDC2HL series Micro DCDC converter 5. Test Circuit Cin : 4.7uF/6.3V (GRM188B30J475K) Cout : 10uF/6.3V (GRM188B30J106M) 6. Reference Land Pattern a d b c c d Unit: mm Mark Dimension a 0.85 b 0.60 c 0.5 d 0.2 Notes: this land layout is for reference purpose only. 5 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter 7. Measurement Data Micro DCDC Converter evaluation board (P2LX0244) Measurement setup Enable SW VIN_S VIN A VOUT_S Load A VOUT V GND V GND GND_S GND_S 6 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Typical Measurement Data (reference purpose only) Efficiency Vin=3.6V, Vout=1.0V Vin=3.6V, Vout=1.2V Efficiency 80 85 75 80 EFF [%] EFF [ ] EFF(%) Io-EFFEfficiency Characteristics 70 ％ 65 75 70 60 65 1 10 100 1000 1 10 100 Io(mA) Iout [mA] 1000 Iout [mA] Vin=3.6V, Vout=1.35V Vin=3.6V, Vout=1.5V Efficiency Efficiency 90 85 80 EFF [%] EFF [%] 85 75 80 75 70 65 70 1 10 100 1000 1 10 Iout [mA] 1000 100 1000 Iout [mA] Vin=3.6V, Vout=1.8V Vin=3.6V, Vout=2.5V Efficiency Efficiency 90 95 85 90 EFF [%] EFF [%] 100 80 85 80 75 75 70 1 10 100 1000 1 10 Iout [mA] Iout [mA] 7 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Vin=5.0V, Vout=3.0V Vin=5.0V, Vout=3.3V Efficiency 95 95 90 90 EFF [%] EFF [%] Efficiency 85 80 85 80 75 75 1 10 100 1000 1 Iout [mA] 10 100 1000 Iout [mA] 8 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Typical Measurement Data (reference purpose only) Load Regulation Vin=3.6V, Vout=1.0V Vin=3.6V, Vout=1.2V Io-Vout Load Characteristics Regulation Load Regulation 1.224 1.030 1.212 1.010 Vout [V] Vout [V] Vout(V) 1.020 1.000 0.990 1.200 1.188 0.980 0.970 1.176 0 100 200 300 400 500 0 600 100 200 300 Iout [mA] Io(mA) 600 Vin=3.6V, Vout=1.5V Load Regulation Load Regulation 1.377 1.530 1.364 1.515 Vout [V] Vout [V] 500 Iout [mA] Vin=3.6V, Vout=1.35V 1.350 1.337 1.500 1.485 1.323 1.470 0 100 200 300 400 500 600 0 100 Iout [mA] 200 300 400 500 600 Iout [mA] Vin=3.6V, Vout=1.8V Vin=3.6V, Vout=2.5V Load Regulation Load Regulation 1.836 2.550 1.818 2.525 Vout [V] Vout [V] 400 1.800 1.782 2.500 2.475 1.764 2.450 0 100 200 300 400 500 600 0 Iout [mA] 100 200 300 400 Iout [mA] 9 Confidential & Preliminary June.8,2010 500 LXDC2HL series Micro DCDC converter Vin=5.0V, 3.0V Vin=5.0V, Vout=3.3V Load Regulation 3.060 3.366 3.030 3.333 Vout [V] Vout [V] Load Regulation 3.000 2.970 3.300 3.267 2.940 3.234 0 100 200 300 400 0 Iout [mA] 100 200 300 Iout [mA] 10 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Typical Measurement Data (reference purpose only) Output Ripple-Noise Vin=3.6V, Vout=1.0V, BW : 100MHz Vin=3.6V, Vout=1.2V, BW: 150MHz Output Ripple Noise 40 50 30 40 Vrpl [mV] Vrpl [mV] Vrpl(mV) Io-Vrpl Characteristics Output Ripple Noise 20 10 30 20 10 0 0 100 200 300 400 500 0 600 0 100 200 300 Io(mA) Iout [mA] 600 500 600 Vin=3.6V, Vout=1.5V, BW: 150MHz Output Ripple Noise Output Ripple Noise 50 50 40 40 Vrpl [mV] Vrpl [mV] 500 Iout [mA] Vin=3.6V, Vout=1.35V, BW: 150MHz 30 20 10 30 20 10 0 0 0 100 200 300 400 500 600 0 100 Iout [mA] 200 300 400 Iout [mA] Vin=3.6V, Vout=1.8V, BW: 150MHz Vin=3.6V, Vout=2.5V, BW: 150MHz Output Ripple Noise Output Ripple Noise 50 50 40 40 Vrpl [mV] Vrpl [mV] 400 30 20 10 30 20 10 0 0 0 100 200 300 400 500 600 Iout [mA] 0 100 200 300 400 Iout [mA] 11 Confidential & Preliminary June.8,2010 500 LXDC2HL series Micro DCDC converter Vin=5.0V, Vout=3.0V, BW: 150MHz Vin=5.0V, Vout=3.3V, BW: 150MHz Output Ripple Noise 50 50 40 40 Vrpl [mV] Vrpl [mV] Output Ripple Noise 30 20 10 30 20 10 0 0 0 100 200 300 400 0 Iout [mA] 100 200 Iout [mA] 12 Confidential & Preliminary June.8,2010 300 LXDC2HL series Micro DCDC converter Typical Measurement Data (reference purpose only) Load Transient Response Vin=3.6V, Vout=1.0V TBD Vin=3.6V, Vout=1.2V 100mV/div 58mV -80mV ΔIo=600mA 13 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Vin=3.6V, Vout=1.35V 100mV/div 66mV -86mV ΔIo=600mA Vin=3.6V, Vout=1.8V 100mV/div 76mV -108m ΔIo=600mA 14 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Vin=3.6V, Vout=2.5V 100mV/div 114mV -140mV ΔIo=500mA Vin=5.0V, Vout=3.0V 100mV/div 106mV -128mV ΔIo=400mA 15 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter Vin=5.0V, Vout=3.3V 100mV/div 106mV -112mV ΔIo=300mA 16 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter 8. Tape and Reel Packing 1）Dimensions of Tape (Plastic tape) Unit: mm Feeding direction 2） Dimensions of Reel Unit: mm 2±0.5 Φ60 Φ13±0.2 Φ180 9.0±0.3 13.0±1.4 17 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter 3）Taping Diagrams [1] Feeding Hole : As specified in (1) [2] Hole for chip : As specified in (1) [3] Cover tape : 50um in thickness [4] Base tape : As specified in (1) [3] [1] [2] [3] [4] Feeding Hole Feeding Direction Chip 18 Confidential & Preliminary June.8,2010 LXDC2HL series Micro DCDC converter 4）Leader and Tail tape A B Components 部品収納部 C Symbol Items Ratings(mm) A No components at trailer min 160 B No components at leader min 100 C Whole leader min 400 5）The tape for chips are wound clockwise, the feeding holes to the right side as the tape is pulled toward the user. 6）Packaging unit: 3,000 pcs./ reel 7） Material： Base Tape … Plastic Reel … Plastic Antistatic coating for both base tape and reel 8）Peeling of force 0.7 N max. 0.1~1.0N 165 to 180 ° Cover カ バ ー テTape ープ Base ベ ー スTape テープ 19 Confidential & Preliminary June.8,2010