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MAX1672C/D データシート(PDF) 4 Page - Maxim Integrated Products |
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MAX1672C/D データシート(HTML) 4 Page - Maxim Integrated Products |
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4 / 11 page ![]() Step-Up/Down DC-DC Converter in QSOP Package 4 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (TA = +25°C, unless otherwise noted.) 0 100 200 300 400 02 13 4 MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE (VOUT = 5V) INPUT VOLTAGE (V) MAXIMUM RECOMMENDED OUTPUT CURRENT ILIM = GND (0.5A) ILIM = PS (0.8A) 0 100 200 300 400 02 13 4 MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE (VOUT = 3.3V) INPUT VOLTAGE (V) MAXIMUM RECOMMENDED OUTPUT CURRENT ILIM = GND (0.5A) ILIM = PS (0.8A) 0 100 200 300 400 45 7 8 9 11 610 12 MAXIMUM OUTPUT CURRENT vs. INPUT VOLTAGE (POWER DISSIPATION LIMIT) INPUT VOLTAGE (V) MAXIMUM RECOMMENDED OUTPUT CURRENT VOUT = 5V VOUT = 3.3V TA = +25°C TA = +85°C VOUT = 3.3V VOUT = 5V 1000 10 0 1 2 3456 78 9 10 11 NO-LOAD BATTERY CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) 100 VOUT = 5V VOUT = 3.3V A B 2ms/div LINE-TRANSIENT RESPONSE MAX1672-10 A: VOUT = 5V (100mV/div, AC COUPLED) B: VIN = 2V TO 4V (IOUT = 100mA) 1 0.01 0 1 2 3456 78 9 10 11 SHUTDOWN CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) 0.1 70 10 0.01 1 10 100 0.1 1000 LINEAR REGULATOR POWER-SUPPLY REJECTION RATIO vs. FREQUENCY 20 FREQUENCY (kHz) 30 40 60 50 A B 2ms/div LOAD-TRANSIENT RESPONSE MAX1672-11 A: VOUT = 5V (50mV/div, AC COUPLED) B: IOUT = 10mA TO 100mA (VIN = 2V) A B 10 µs/div OUTPUT RIPPLE (MEDIUM LOAD) MAX1672-12 A: VOUT = 5V (20mV/div, AC COUPLED) B: IL1 (500mA /div) (VIN = 2.7V, IOUT = 80mA) |
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