Datasheet MAX17270, MAX17271 (Maxim) - 10
| Fabricante | Maxim |
| Descripción | nanoPower Triple-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator |
| Páginas / Página | 37 / 10 — Typical Operating Characteristics (continued). SWITCHING WAVEFORMS–. … |
| Formato / tamaño de archivo | PDF / 2.0 Mb |
| Idioma del documento | Inglés |
Typical Operating Characteristics (continued). SWITCHING WAVEFORMS–. HEAVY UTILIZATION. POWER-UP. POWER-DOWN
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MAX17270/MAX17271 nanoPower Triple-Output, Single-Inductor, Multiple-Output (SIMO) Buck-Boost Regulator
Typical Operating Characteristics (continued)
(VIN = 2.7V , OUT1 = 1.2V , ILIM1 = 0.4A , OUT2 = 1.8V , ILIM2 = 0.8A , OUT3 = 3.3V , ILIM3 = 1.1A, L1 = 2.2μH (Coilcraft XFL4020-222ME), COUT1 = COUT2 = COUT3 = 22μF (TDK C1608X5R1A226M080AC))
SWITCHING WAVEFORMS– HEAVY UTILIZATION POWER-UP
toc10 toc11 V 5.2V/div OUT1 50mV/div ON 1.3V/div VOUT2 50mV/div VOUT1 1.9V/div VOUT2 VOUT3 50mV/div VOUT3 3.4V/div IRQB ILX 500mA/div RSTB IOUT1 = 25mA, IOUT2 = IOUT3 = 55mA IOUT1 = IOUT2= IOUT3 = 10mA 2µs/div 5ms/div
POWER-DOWN LOAD TRANSIENT WAVEFORMS—OUT1
toc12 toc13 5.2V/div ON VOUT1 60mV/div AC-COUPLED VOUT1 1.3V/div 60mV/div V V OUT2 AC-COUPLED OUT2 1.9V/div VOUT3 3.4V/div V 60mV/div OUT3 AC-COUPLED IRQB 1mA 25mA IOUT1 30mA/div RSTB I I OUT1 = IOUT2 = IOUT3 = 10mA OUT1 = 1mA to 25mA, IOUT2 = IOUT3 = 10mA 2s/div 1ms/div
LOAD TRANSIENT WAVEFORMS—OUT2 LOAD TRANSIENT WAVEFORMS—OUT3
toc14 toc15 60mV/div 60mV/div V V OUT1 AC-COUPLED OUT1 AC-COUPLED 60mV/div 60mV/div VOUT2 AC-COUPLED VOUT2 AC-COUPLED VOUT3 60mV/div VOUT3 60mV/div AC-COUPLED AC-COUPLED 55mA 10mA 30mA/div I 55mA OUT2 10mA IOUT3 30mA/div IOUT2 =10mA to 55mA, IOUT1 = IOUT3 = 10mA IOUT3 =10mA to 55mA, IOUT1 = IOUT3 = 10mA 1ms/div 1ms/div www.maximintegrated.com Maxim Integrated │ 10
Typical Operating Characteristics (continued)
(VIN = 2.7V , OUT1 = 1.2V , ILIM1 = 0.4A , OUT2 = 1.8V , ILIM2 = 0.8A , OUT3 = 3.3V , ILIM3 = 1.1A, L1 = 2.2μH (Coilcraft XFL4020-222ME), COUT1 = COUT2 = COUT3 = 22μF (TDK C1608X5R1A226M080AC))
SWITCHING WAVEFORMS– HEAVY UTILIZATION POWER-UP
toc10 toc11 V 5.2V/div OUT1 50mV/div ON 1.3V/div VOUT2 50mV/div VOUT1 1.9V/div VOUT2 VOUT3 50mV/div VOUT3 3.4V/div IRQB ILX 500mA/div RSTB IOUT1 = 25mA, IOUT2 = IOUT3 = 55mA IOUT1 = IOUT2= IOUT3 = 10mA 2µs/div 5ms/div
POWER-DOWN LOAD TRANSIENT WAVEFORMS—OUT1
toc12 toc13 5.2V/div ON VOUT1 60mV/div AC-COUPLED VOUT1 1.3V/div 60mV/div V V OUT2 AC-COUPLED OUT2 1.9V/div VOUT3 3.4V/div V 60mV/div OUT3 AC-COUPLED IRQB 1mA 25mA IOUT1 30mA/div RSTB I I OUT1 = IOUT2 = IOUT3 = 10mA OUT1 = 1mA to 25mA, IOUT2 = IOUT3 = 10mA 2s/div 1ms/div
LOAD TRANSIENT WAVEFORMS—OUT2 LOAD TRANSIENT WAVEFORMS—OUT3
toc14 toc15 60mV/div 60mV/div V V OUT1 AC-COUPLED OUT1 AC-COUPLED 60mV/div 60mV/div VOUT2 AC-COUPLED VOUT2 AC-COUPLED VOUT3 60mV/div VOUT3 60mV/div AC-COUPLED AC-COUPLED 55mA 10mA 30mA/div I 55mA OUT2 10mA IOUT3 30mA/div IOUT2 =10mA to 55mA, IOUT1 = IOUT3 = 10mA IOUT3 =10mA to 55mA, IOUT1 = IOUT3 = 10mA 1ms/div 1ms/div www.maximintegrated.com Maxim Integrated │ 10