ETA ETA1652
High Efficiency Synchronous Step-Down Converter
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● 1 Empower Thinkers
●● 2 Empower Thinkers Vout (V) 1.26 1.24 1.22 1.2 1.18 1.16 1.14 0 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 Vout Vs. Iout Vout=1.2V Vin=5V Vin=6V Vin=8V Vin=12V Vin=15V Vin=18V 0.5 1 1.5 2 Iout (A) UVLO & OVP Iout=0A Vout(V) 5 10 15 20 Vin (V) Iq (uA) Eff (%) Eff. Vs. Iout 100% 90% Vout=1.2V 80% 70% 60% 50% 40% 30% 20% 0.005 0.05 0.5 Iout (A) Vin=5V Vin=6V Vin=8V Vin=12V Vin=15V Vin=18V 5 300 250 Iout=0A 200 150 100 50 0 5 Iq Vs. Vin 10 15 Vin (V) Iq (uA) 20 Vout (V) 3 Empower Thinkers Vout (V) Frequency (KHz) 1.25 1.23 1.21 1.19 1.17 1.15 -50 Vout Vs. Temp Vin=12V Iout=0A VOUT=1.2V 0 50 100 150 Temperature (oC) 1.00E+01 Waveform Iout 2A 9.00E+00 8.00E+00 7.00E+00 1us/div 6.00E+00 5.00E+00 4.00E+00 3.00E+00 2.00E+00 1.00E+00 0.00E+00 1 Vo2u01t 5m4V01/div601 801 S1W00110V1/2d0i1v 1401 160I1sw1810A1/div 1.2V Load Step rising 0.3A-2A Vin=12V 10 9 8 10us/div 7 6 5 4 3 2 1 0 1 201 401 Vo6u0t110m80V1/di1v001 1201 1401Iou1t6.051A/d1i8v01 670 660 650 640 630 620 610 600 -40 -20 Freq Vs.
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● 1 Empower Thinkers
●● 2 Empower Thinkers Vout (V) 1.26 1.24 1.22 1.2 1.18 1.16 1.14 0 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 Vout Vs. Iout Vout=1.2V Vin=5V Vin=6V Vin=8V Vin=12V Vin=15V Vin=18V 0.5 1 1.5 2 Iout (A) UVLO & OVP Iout=0A Vout(V) 5 10 15 20 Vin (V) Iq (uA) Eff (%) Eff. Vs. Iout 100% 90% Vout=1.2V 80% 70% 60% 50% 40% 30% 20% 0.005 0.05 0.5 Iout (A) Vin=5V Vin=6V Vin=8V Vin=12V Vin=15V Vin=18V 5 300 250 Iout=0A 200 150 100 50 0 5 Iq Vs. Vin 10 15 Vin (V) Iq (uA) 20 Vout (V) 3 Empower Thinkers Vout (V) Frequency (KHz) 1.25 1.23 1.21 1.19 1.17 1.15 -50 Vout Vs. Temp Vin=12V Iout=0A VOUT=1.2V 0 50 100 150 Temperature (oC) 1.00E+01 Waveform Iout 2A 9.00E+00 8.00E+00 7.00E+00 1us/div 6.00E+00 5.00E+00 4.00E+00 3.00E+00 2.00E+00 1.00E+00 0.00E+00 1 Vo2u01t 5m4V01/div601 801 S1W00110V1/2d0i1v 1401 160I1sw1810A1/div 1.2V Load Step rising 0.3A-2A Vin=12V 10 9 8 10us/div 7 6 5 4 3 2 1 0 1 201 401 Vo6u0t110m80V1/di1v001 1201 1401Iou1t6.051A/d1i8v01 670 660 650 640 630 620 610 600 -40 -20 Freq Vs.