0755-82134672 Macroblock MBI6655 1 LED Small Outline Transistor 1A 3 LED 350mA 12V97% 6~36 Hysteretic PFM 0.3Ω GSB: SOT-89-5L (Start-Up) (OCP) (TP) LED Small Outline Package 5 MBI6655 LED / 5 LED MBI6655 Hysteretic PFM GD: SOP8L-150-1.27 MBI6655 DIM (PWM) MBI6655IC (Start-Up) IC (TP) (OCP)LED IC MBI6655SOT-89-5L SOP-8L LED Macroblock, Inc. 2011-1 -
+ R V SEN SEN - I OUT + V IN C BP 0.1uF C IN + 10uF/50V VIN DIM MBI6655 GND SEN SW D1 L1 + C OUT 10uF/50V (Optional) V OUT - R SEN : Viking, 0.14Ω, 1206, ±1% SMD Resistor C IN : GOLDENCONNECTIONS, 10uF/50V, 5*11, DIP, electrolytic capacitor C OUT (Optional): GOLDENCONNECTIONS, 10uF/50V, 5*11, DIP, electrolytic capacitor C BP : GOLDENCONNECTIONS, 0.1uF/50V, X5R, 0603 SMD ceramic capacitor L1: GANG SONG, GSDS106C2-680M D1: ZOWIE, SSCD206 1 2-2 -
SW 1 5 VIN VIN 1 8 NC GND DIM 2 3 MBI6655 4 SEN SEN DIM SW 2 3 Thermal Pad 7 6 4 5 NC GND GND MBI6655GSB ( ) MBI6655GD ( ) Pin GND SW DIM SEN VIN Thermal Pad GND* * PCB GND PCB - 3 -
IC V IN 0~40 V I OUT 1.2 A SW V SW -0.5~45 V I GND 1.2 A (, Ta=25 C)* P D 3.13 W ()* GD R th(j-a) 40 C/W ** 75.1 C/W (, Ta=25 C)* P D 1.77 W ()* GSB R th(j-a) - C/W ** 70.8 C/W T j, max 125*** C IC ( ) T opr -40~+85 C IC ( ) T stg -55~+150 C * PCB76.2mm*114.3mmJEDEC JESD51 ** PCBIC 4 *** IC IC IC IC (T opr ) 125 C PCB PCB - 4 -
V IN =12V V OUT =3.6V L1=68µH C IN= C OUT =10µF T A =25 C V IN - 6-36 V I IN V IN =6V~36V 1 1.3 1.5 ma I OUT - - 350 1000 ma di OUT /I OUT 150mA I OUT 1000mA, - ±3 ±5 % SW V SW I OUT =1A - 0.3 - V Tpd V IN =12V 100 150 300 ns - V IN =12V, I OUT =350mA, V OUT =10.8V - 96 - % V IH - 3.5 - - V V IL - - - 0.5 V R ds(on) V IN =12V; (b) 0.2 0.3 0.4 Ω * T ON,min V IN =12V, 30 50 100 ns * T OFF,min V IN =12V, 30 50 100 ns SW * D sw - 20-80 % Freq Max - 40-2000 khz SEN V SEN V IN =12V, V1=1V, (c) 95 100 105 mv * T SD - 145 165 175 C (Hysteresis)* T SD-HYS - 20 30 40 C * Iocp V IN =36V - 1.8 2 A DIM DIM PWM Duty DIM PWM : 1KHz 1-100 % * - 5 -
(a) (b) V1 R1 1k V IN VIN DIM SEN + CIN MBI6655 C SEN 10uF/50V GND SW V SEN 220nF (c) 3-6 -
: V IN =12V, L1=, C IN =C OUT =10uF, T A =25 C. LED V F =3.6V; V F =7.2V; V F =10.8V; V F =14.4V; V F =18V 1. vs. @ LED vs. @ L1= L1= Input voltage L1= Input voltage L1= Input voltage 4 5 6 Efficiency vs. input voltage @ L1= L1= Input voltage L1= Input voltage L1= Input voltage 7 8 9 vs. @ L1= L1= Input voltage L1= Input voltage L1= Input voltage 10 11 12-7 -
2. vs. LED @ vs. LED @ L1= 9V IN 12V IN 24V IN 36V IN 9V IN 12V IN 24V IN 36V IN 9V IN 12V IN 24V IN 36V IN L1= L1= L1= 13 14 15 vs. LED @ L1= 12V IN 24V IN 12V IN 24V IN 12V IN 24V IN 9V IN 36V IN 9V IN 36V IN 9V IN 36V IN L1= L1= L1= 16 17 18 vs. LED @ L1= 9V IN 12V IN 24V IN 36V IN 9V IN 12VIN 24V IN 36V IN 9V IN 12V IN 24V IN 36V IN L1= L1= L1= 19 20 21-8 -
3. vs. @ LED vs. @ L1= 1040 1030 1020 1010 1000 990 980 970 960 950 940 L1= 6 730 720 710 700 690 680 670 L1= 6 390 380 370 360 350 340 330 320 310 L1= 6 22 23 24 vs. @ L1= 1040 1030 1020 1010 1000 990 980 970 960 950 L1= 730 720 710 700 690 680 L1= 390 380 370 360 350 340 330 320 L1= 940 6 670 6 310 6 25 26 27 vs. @ L1= 1040 1030 1020 1010 1000 990 980 970 960 950 L1= 730 725 720 715 710 705 700 695 L1= 390 380 370 360 350 340 330 320 L1= 940 6 690 6 310 6 28 29 30-9 -
4. vs. @ vs. @ 1 LED 1040 1030 1020 1010 1000 990 980 970 in Cascaded 22 uh 100 uh 68 uh 730 720 710 700 690 in Cascaded 100 uh 22 uh 68 uh 390 380 370 360 350 in Cascaded 22 uh 68 uh 100 uh 960 950 680 340 940 6 670 6 330 6 31 32 33 vs. @ 2 LED 1040 1030 1020 1010 1000 990 980 970 in Cascaded 22 uh 100 uh 68 uh 730 720 710 700 690 in Cascaded 100 uh 68 uh 22 uh 390 380 370 360 350 in Cascaded 22 uh 68 uh 100 uh 960 950 680 340 940 670 330 34 35 36 vs. @ 3 LED 1040 1030 1020 1010 1000 990 980 970 960 950 in Cascaded 100 uh 22 uh 68 uh 730 720 710 700 690 680 in Cascaded 100 uh 68 uh 22 uh 390 380 370 360 350 340 in Cascaded 68 uh 22 uh 100 uh 940 670 330 37 38 39-10 -
5. vs. LED @ vs. LED @ L1= 1040 1030 1020 1010 1000 990 980 970 960 950 9Vin 12Vin 24Vin L1= 36Vin 730 720 710 700 690 680 9Vin 12Vin 24Vin L1= 36Vin 390 380 370 360 350 340 330 320 9Vin 12Vin 24Vin L1= 36Vin 940 670 310 40 41 42 vs. LED @ L1= 1040 1030 1020 1010 1000 990 980 970 960 950 9Vin 12Vin 24Vin L1= 36Vin 730 720 710 700 690 680 9Vin 12Vin L1= 24Vin 36Vin 390 380 370 360 350 340 330 320 9Vin 12Vin L1= 24Vin 36Vin 940 670 310 Fig. 43 Fig. 44 Fig. 45 vs. LED @ L1= 1040 1030 1020 1010 1000 990 980 970 960 950 9Vin 12Vin L1= 24Vin 36Vin 730 720 710 700 690 680 9Vin 12Vin 24Vin L1= 36Vin 390 380 370 360 350 340 330 320 9Vin 12Vin L1= 24Vin 36Vin 940 670 310 46 47 48-11 -
6. vs. LED @ vs. LED @ V IN =12V 1040 1030 1020 1010 1000 990 980 970 960 950 Vin=12V 730 720 710 700 690 680 Vin=12V 390 380 370 360 350 340 330 320 Vin=12V 940 1 2 3 LED number 670 1 2 3 310 1 2 3 49 50 51 vs. LED @ V IN =24V 1040 1030 1020 1010 1000 990 980 970 960 950 Vin=24V 730 720 710 700 690 680 Vin=24V 390 380 370 360 350 340 330 320 Vin=24V 940 1 2 3 4 5 6 LED number 670 1 2 3 4 5 6 310 1 2 3 4 5 6 52 53 54 vs. LED @ V IN =36V 1040 1030 1020 1010 1000 990 980 970 960 950 Vin=36V 730 720 710 700 690 680 Vin=36V 390 380 370 360 350 340 330 320 Vin=36V 940 LED number 670 310 55 56 57-12 -
7. vs. LED @ vs. LED @ V IN =12V Switching Frequency (KHz) 451 401 351 301 251 201 151 101 51 Vin=12V Switching Frequency (KHz) 701 601 501 401 301 201 101 Vin=12V Switching Frequency (KHz) 1201 1001 801 601 401 201 Vin=12V 1 1 2 3 1 1 2 3 1 1 2 3 58 59 60 vs. LED @ V IN =24V 801 1201 1801 Switching Frequency (KHz) 701 601 501 401 301 201 101 Vin=24V Switching Frequency (KHz) 1001 801 601 401 201 Vin=24V Switching Frequency (KHz) 1601 1401 1201 1001 801 601 401 201 Vin=24V 1 1 2 3 4 5 6 1 1 2 3 4 5 6 1 1 2 3 4 5 6 61 62 63 vs. LED @ V IN =36V Switching Frequency (KHz) 1201 1001 801 601 401 201 Vin=36V 1 Switching Frequency (KHz) 1601 1401 1201 1001 801 601 401 Vin=36V 201 1 Switching Frequency (KHz) 2501 2001 1501 1001 501 Vin=36V 1 64 65 66-13 -
MBI6655(buck converter)1a MBI6655 Hysteretic PFM IC (load transient response) (I OUT ) (R SEN ) I OUT R SEN V SEN =0.1V; R SEN =(V SEN /I OUT )=(0.1V/I OUT ); I OUT =(V SEN /R SEN )=(0.1V/R SEN ) R SEN SENV SEN (R SEN ) 0.1Ω 1000mA R SEN R S L1 DCR MOSFET R ds(on) LED LED (R S ) LED MBI6655 (equivalent impedance) 67 IC 1.15 IC LED 68 V IN VSW VOUT IOUT 350mA 68. (V IN =12V, V OUT = 10.8, R SEN =0.27Ω) 67 MBI6655-14 -
PWM LED MBI6655 DIM PWM PWMLow ( 0.5V) MBI6655 MOSFETLED MBI6655pull-up DIM pull-up 69 70MBI6655 400 350 300 250 200 150 100 50 0 Rsen=0.28 L1= f DIM =1KHz 0 10 20 30 40 50 60 70 80 90 100 DIM Duty Cycle (%) 24VIN 36VIN 40 35 30 25 20 15 10 5 0 Rsen=0.28 L1= f DIM =1KHz 0 8 9 10 DIM Duty Cycle (%) 69 DIM : 1% ~ 69 DIM : 1% ~ 10% 24VIN 36VIN LED MBI6655 LED LED MBI6655 MOSFET LED 0mA 71 V SW V OUT I IN I OUT 71. - 15 -
LED MBI6655LEDLED MOSFETLED 72 V SW V OUT I IN I OUT 72. IC T X (165 C) IC 73 SW 135 C IC VIN VSW VOUT IOUT 73. - 16 -
LED MBI6655LEDICMBI6655 1.8A MBI6655 V IN LED 1.8A I OUT 74. LED - 17 -
SW MBI6655 0.5 MBI6655 0.5 MBI6655 1 1 f SW = = T T (1) OFF,min (1- D) 0.5 S or 1 1 f = = TS TON, min (2) D ( ) / (/ ) () EMI MBI6655 40KHz~1.0MHz LED (Ripple Current) LED MBI6655LED LED LED LED LED LED 5% 20% - 18 -
: L1 L1 > (V IN - V OUT - V SEN - (R ds(on) x I OUT )) x f SW D x I R ds(on) MBI6655 MOSFET V IN 12 0.3Ω L D MBI6655 D=V OUT /V IN f SW MBI6655 I L I L =(1.15xI OUT ) (0.85xI OUT )=0.3xI OUT. 1.5 (line/load regulation) EMI (Schottky Diode) MBI6655 (Flywheel Diode) D1 MOSFET Schottky diode Schottky diode 1.5 1.5 Schottky Diode MOSFET C IN MBI6655MOSFET MOSFET 1.1510uF 1.5 ESR ESR 0.1~1uF (C BP ) VIN LED LED LED - 19 -
PCB PCB 2. IC GND 5mm 3. IC GND 4. MBI6655 5. IC 6. PCB R SEN IC VIN 7. IC VIN GND 8. R SEN IC VIN SEN 9. SW Schottky diode 10. 11. 30 MOSFET 12. IC, IC 13. IC R SEN LED1 LEDn L1 D1 VIN + - + C IN SW SW --> ON SW --> OFF 75. MBI6655 PCB 76 MBI6655GSB 76.MBI6655GSB - 20 -
(P D ) P D (max) = (T j,max T a ) / R th(j-a) Power Dissipation (W) 4.0 MBI6655 Maximum Power Dissipation at Various Ambient Temperature 3.5 3.0 GSB Type: Rth=70.8 C/W GD Type: Rth=40.0 C/W 2.5 2.0 1.5 1.0 Safe Operation Area 0.5 0.0 0 20 40 60 80 100 Ambient Temperature ( C) - 21 -
Pb-free & Green * Pb-Free & Green" RoHS (SnPb) (SnPb) JEDEC J-STD-020C JEDEC J-STD-020C 245 o C 260 o C ( ) Temperature ( ) 300 250 255 240 260 +0-5 245 5 200 217 Average ramp-up rate= 0.7 /s 30s max Ramp-down 6 /s (max) 150 100s max 100 Peak Temperature 245 ~260 < 10s 50 Average ramp-up rate = 0.4 /s Average ramp-up rate= 3.3 /s 25 0 0 50 100 150 200 250 300 ----Maximum peak temperature Recommended reflow profile JEDEC Acc.J-STD-020C Time (sec) Package Thickness Volume mm 3 <350 Volume mm 3 350-2000 Volume mm 3 2000 <1.6mm 260 +0 o C 260 +0 o C 260 +0 o C 1.6mm 2.5mm 260 +0 o C 250 +0 o C 245 +0 o C 2.5mm 250 +0 o C 245 +0 o C 245 +0 o C * Pb-free & Green Package - 22 -
MBI6655GSB : - 23 -
MBI6655GD : - 24 -
IC GSB (SOT-89) XXXX Part number ID number XXX GD (SOP8L) MBIXXXX Part number ID number XXXXXXXX G: Green and Pb-free IC V1.00 A (g) MBI6655GSB SOT-89-5L 0.016g MBI6655GD SOP8L-150-1.27 0.079g - 25 -
- 26 -