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| [AL1015] AL1015 Current-Mode PWM Step-Down DC-DC Convertor Controller AL1015 PWM P-MOS3[A] 4.522[V]AC Li5.0 [V]3.3 [V]2.5 [V] 1.24[V]Vin2[%] 100[%] AL10151.1mmMAXSSOP-8 4.522[V] 1.24VVin 220[kHz] 2[%] (Ta=25[]) 100[%] -8 Vin, EXT-GND Vin-CS V5/PWON, Vref/SS, CC, FB -GND (Ta=25) -0.325 Vin0.3 -0.36 -3085 -40150 125 560 V V V mW Vin VIN V5/PWON Vref/SS CC CS EXT GND FB Vout No. 1 2 3 4 5 6 7 8 VIN V5/PWON Vref/SS CC FB GND EXT CS / 100 [V] Vin= 6.0[V] Vin= 8.0[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] 90 80 [%] 70 60 50 0 0.5 1 Iout[A] 1.5 2 Rev.1.0 -1- 2010/10 www.DataSheet.in [AL1015] (Ta=25) 1 1 PMOS 2 Vin Vref V5 ISUPPLY Istandby Ishutdown VLINE VLOAD VOCL fosc MAXDuty MIN. 4.5 1.216 4.35 TYP. 1.24 900 250 20 0.05 1 MAX. 22 1.264 4.60 V V V uA uA uA %/V % mV kHz % ns ns V V ms UVLO V5-GND 70 176 Vin =13V, CLOAD=1300pF Vin =13V, CLOAD=1300pF 3.8 0.15 Css=0.1F, Iout=0A 220 80 90 4.0 0.2 135 264 100 Trise Tfall VD VD hys TSSEND 4.2 0.25 40 *. *2. [mm] Rev.1.0 -2- 2010/10 www.DataSheet.in [AL1015] 0.01[ ] 2 [] 0.1[] [] 3 0.1[] 4 5 6GND 7EXT MOSFET MOSFETPchEXT 8C MOSFET V5/PWON V5 Iss Vref V re f Vref_READY V5_READY SS_END Vref/SS Selcomp + - + VIN Vref - UVLO_READY UVLOcomp Level shift Vref CS FB Vref + CNT.comp + Vcnt. Reset Reset Vrefx1.05 + - Vref FB CC FBamp iRAMP + Control Logic OVPcomp Set OSC SS_END VIN FB + + EXT Reset - Vref/SS OCLcomp - GND CS Rev.1.0 -3- 2010/10 www.DataSheet.in [AL1015] Vin R1 C1-2 Q1 L1 C1-1 VIN C3 CS EXT D1 V5/PWON C4 R4 C5 Vout R2 C2 Vref/SS CC GND R3 FB Vin=4.518 [V]Vout=2.5VIout=2A C1-1 C1-2 C2 C3 C4 C5 R1 R2 R3 R4 L1 Q1 D1 P-MOSFET 0.1uF 100uF 220uF POSCAP 0.1uF 0.01uF 27pF 39m 12k 11k 33k 18uH 5A 5A SANYO 25MV100CA SANYO 6TPD220M PANASONIC ERJL14K39M SAGAMI 7B12H-180 FAIRCHILD FDC658 TOSHIBA CMS05 Rev.1.0 -4- 2010/10 www.DataSheet.in [AL1015] Vin=6.018[V]Vout=3.3VIout=2A C1-1 C1-2 C2 C3 C4 C5 R1 R2 R3 R4 L1 Q1 D1 P-MOSFET 0.1uF 100uF 220uF POSCAP 0.1uF 0.01uF 27pF 39m 20k 12k 33k 18uH 5A 5A SANYO 25MV100CA SANYO 6TPD220M PANASONIC ERJL14K39M SAGAMI 7B12H-180 FAIRCHILD FDC658 TOSHIBA CMS05 Vin=8.018[V]Vout=5.0VIout=2A C1-1 C1-2 C2 C3 C4 C5 R1 R2 R3 R4 L1 Q1 D1 P-MOSFET 0.1uF 100uF 220uF POSCAP 0.1uF 0.01uF 27pF 39m 16k 5.1k 33k 15uH 5A 5A SANYO 25MV100CA SANYO 6TPD220M ERJL14K39M SAGAMI 7B12H-150 FAIRCHILD FDC654 TOSHIBA CMS05 Rev.1.0 -5- 2010/10 www.DataSheet.in [AL1015] (VIN) AL1015 20[A] (VIN)4.2[V]AL1015 4.5V 4.2[V] 4.0[V] 4.2[V] (VIN)4.5V 5[V] 1.24[V] ()0[mV] 100[mV] 40[ms] 0.1[F] 1.3[V] 1.3[V] OCL 120[mV] - - AL1015 R1 AL1015220[kHz] / 1 220[kHz] 220[kHz] Rev.1.0 -6- 2010/10 www.DataSheet.in [AL1015] GND GND GND P-MOSFET AL1015EXT AL1015 AL1015 GND R1 100[mV] Imax 1.3 30[%] Vin) L VoutVin - Vout Imax Vin 220kHz 0.3 1/2 ESR Vout R1 ESR Vref Vref 7 Cout Vout R1 4[F] CCVrefSS R433[k], C5=27[pF] R2 VrefSSR3VrefSS GND VoutVref 1 R2 R3 R2R3 Rev.1.0 -7- 2010/10 www.DataSheet.in [AL1015] Efficiency 2.5[V] Output 100 Vin= 4.5[V] Vin= 6.0[V] Vin= 8.0[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] Vref Output Voltage v.s. Ta 1.3 Vin=4.5[V] Vin=8.0[V] Vin=13[V] Vin=15[V] Vin=18[V] Vin=22[V] 90 1.28 80 [%] 1.26 Vref[V] 1.24 1.22 0 0.5 1 Iout[A] 1.5 2 70 60 50 1.2 -40 -20 0 20 40 Ta[] 60 80 100 120 100 Efficiency 3.3[V] Output Vin= 6.0[V] Vin= 8.0[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] 90 80 [%] 70 60 50 0 0.5 1 Iout[A] 1.5 2 Efficiency 5.0[V] Output 100 Vin= 7.5[V] Vin= 8.5[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] 90 80 [%] 70 60 50 0 0.5 1 Iout[A] 1.5 2 Rev.1.0 -8- 2010/10 www.DataSheet.in [AL1015] Load Regulation 2.5[V] Output 2.6 Vin= 4.5[V] Vin= 6.0[V] Vin= 8.0[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] 2.6 Line Regulation 2.5[V] Output Iout=0.00[A] Iout=0.10[A] Iout=0.30[A] Iout=0.50[A] Iout=1.00[A] Iout=1.45[A] Iout=1.80[A] Iout=2.00[A] Vout[V] 2.55 Vout[V] 0 0.5 1 Iout[A] 1.5 2 2.55 2.5 2.5 6 8 10 12 Vin[V] 14 16 18 Load Regulation 3.3[V] Output 3.4 Vin= 6.0[V] Vin= 8.0[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] 3.4 Line Regulation 3.3[V] Output Iout=0.00[A] Iout=0.10[A] Iout=0.30[A] Iout=0.50[A] Iout=1.00[A] Iout=1.45[A] Iout=1.80[A] Iout=2.00[A] 3.35 3.35 Vout[V] Vout[V] 3.3 3.3 3.25 3.25 3.2 0 0.5 1 Iout[A] 1.5 2 3.2 6 8 10 12 Vin[V] 14 16 18 Load Regulation 5.0[V] Output 5.2 Vin= 7.5[V] Vin= 8.5[V] Vin=10.0[V] Vin=12.0[V] Vin=13.5[V] Vin=15.0[V] Vin=18.0[V] 5.2 5.15 5.15 Line Regulation 5.0[V] Output Iout=0.00[A] Iout=0.10[A] Iout=0.30[A] Iout=0.50[A] Iout=1.00[A] Iout=1.45[A] Iout=1.80[A] Iout=2.00[A] 5.1 Vout[V] Vout[V] 0 0.5 1 Iout[A] 1.5 2 5.1 5.05 5.05 5 5 4.95 4.95 4.9 4.9 8 10 12 Vin[V] 14 16 18 Rev.1.0 -9- 2010/10 www.DataSheet.in [AL1015] AL1015 Rev.1.0 - 10 - 2010/10 www.DataSheet.in [AL1015] Rev.1.0 - 11 - 2010/10 www.DataSheet.in |
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