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MAX77178 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX77178 Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 17 page 8 Maxim Integrated MAX77178/MAX77179 High-Bandwidth LTE/WCDMA PA Power Management ICs in a 1.75mm x 1.4mm, 0.4mm Pitch WLP Typical Operating Characteristics (continued) (Typical Operating Circuits, VIN = 3.7V, IOUT = 0.47µH, COUT = 4.7µF, TA = +25°C, unless otherwise noted.) ENABLE WAVEFORM (NO LOAD) MAX77178 toc18 5V/div 2V/div 2V/div 1A /div 0A 0V 0V 0V ILX VLX VOUT VEN 10µs/div VREF = 1.28V HEAVY LOAD SWITCHING WAVEFORM MAX77178 toc17b 10mV/div 2V/div 500mA /div 0A 0V ILX VLX VOUT AC-COUPLED 200ns/div VOUT = 3.2V 500mA LOAD LIGHT LOAD SWITCHING WAVEFORM MAX77178 toc16 20mV/div 2V/div 100mA /div 0A 0V ILX VLX VOUT AC-COUPLED 2µs/div 20mA LOAD HEAVY LOAD SWITCHING WAVEFORM MAX77178 toc17a 10mV/div 2V/div 500mA /div 0A 0V ILX VLX VOUT AC-COUPLED 200ns/div VOUT = 2.5V 500mA LOAD LINE REGULATION ERROR vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) ERROR = VOUT - 2.5 x VREF VREF = 0.72V VREF = 0.16V VREF = 0.96V VREF = 1.12V VREF = 1.28V 5.1 4.7 4.3 3.9 3.5 3.1 -50 0 50 100 -100 2.7 5.5 VREF = 0.32V VREF = 0.48V OUTPUT VOLTAGE ERROR vs. REF VOLTAGE REF VOLTAGE (V) VIN = 3.7V ERROR = VOUT - 2.5 x VREF 1.3 1.1 0.9 0.7 0.5 0.3 -100 -50 0 50 -150 0.1 1.5 OUTPUT VOLTAGE ERROR vs. TEMPERATURE TEMPERATURE (°C) 60 35 10 -15 -60 -40 -20 0 20 -80 -40 85 ERROR = VOUT - 2.5 x VREF VIN = 3.7V VREF = 0.72V VREF = 0.16V VREF = 1.28V |
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