AME, Inc.
Micropower Step-Up DC/DC Converter
AME5130
Typical Switching Waveform
Typical Switching Waveform
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VOUT = 19.4V, VIN = 4.2V;6 LEDs
IOUT = 15mA
VOUT = 13.25V, VIN = 4.2V;8 LEDs
IOUT = 30mA
1) VSW, 20V / div, DC
1) VSW, 20V / div, DC
2) Inductor current, 500mA / div, DC
3) VOUT, 100mV / div, AC
2) Inductor current, 500mA / div, DC
3) VOUT, 100mV / div, AC
Start-Up/Shutdown
Start-Up/Shutdown
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VOUT = 20V, VIN = 2.5V
1) RUN, 1V/div,DC
2) VOUT, 20V/div,DC
3) IL, 200mA/div,DC
T=400ms/div
VOUT = 20V, VIN = 2.5V
1) Vout, 100mV/div.AC
2) Vsw,20V/div,DC
3) Inductor Current 500mA/div,DC
T=20ms/div
RL=1.3kW
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