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CDH2D09 датащи(PDF) 18 Page - Maxim Integrated Products |
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CDH2D09 датащи(HTML) 18 Page - Maxim Integrated Products |
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18 / 44 page ![]() PMIC with Integrated Charger and Smart Power Selector for Handheld Devices 18 ______________________________________________________________________________________ REG2 LOAD REGULATION OUTPUT CURRENT (mA) 200 150 100 50 1.45 1.50 1.55 1.60 1.40 0 250 1.10 1.16 1.14 1.12 1.18 1.20 1.22 1.24 1.26 1.28 1.30 0 100 50 150 200 250 REG3 LOAD REGULATION OUTPUT CURRENT (mA) RFBH = 20k Ω RFBL = 100k Ω 10 μs/div OUT3 LIGHT-LOAD SWITCHING WAVEFORMS (PWM = 0) IL1 VOUT1 VLX1 MAX8671X toc35 200mA/div 20mV/div 2V/div 10mA LOAD 0 400ns/div OUT3 HEAVY-LOAD SWITCHING WAVEFORMS IL1 VOUT1 VLX1 MAX8671X toc36 200mA/div 10mV/div 2V/div 250mA LOAD 0 40 μs/div OUT3 LOAD TRANSIENT IOUT1 VOUT1 MAX8671X toc37 100mA/div 100mV/div 250mA 25mA 25mA PWM = 0 0 30 20 10 40 50 60 70 80 90 100 1 10 100 1000 REG3 EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (mA) PWM = 0 VOUT2 = 1.2V PWM = 1 VOUT2 = 1.2V VBATT = 4.0V Typical Operating Characteristics (continued) (Circuit of Figure 1, IVL = 0mA, TA = +25°C, unless otherwise noted.) 0 30 20 10 40 50 60 70 80 90 100 1 10 100 1000 REG2 EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (mA) PWM = 0 VOUT2 = 1.5V PWM = 1 VOUT2 = 1.5V VBATT = 4.0V |
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