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MAX8581 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX8581 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 9 page 2.5MHz/1.5MHz Step-Down Converters with 60m Ω Bypass in TDFN for CDMA PA Power 4 _______________________________________________________________________________________ Typical Operating Characteristics (VIN = 3.6V, VOUT = 1.2V, MAX8582 EV Kit, TA = +25°C, unless otherwise noted.) BYPASS MODE DROPOUT VOLTAGE vs. LOAD CURRENT LOAD CURRENT (A) 0.8 0.6 0.2 0.4 0.01 0.02 0.03 0.04 0.06 0.05 0.07 0.08 0 0 1.0 VOUT = 3.2V VOUT = 3.6V EFFICIENCY vs. OUTPUT VOLTAGE OUTPUT VOLTAGE (V) 2.8 2.4 2.0 1.2 1.6 65 70 75 80 90 85 95 100 60 0.8 3.2 RLOAD = 7.5 Ω EFFICIENCY vs. LOAD CURRENT (VOUT = 1.8V) LOAD CURRENT (mA) 100 20 10 30 40 50 60 80 70 90 100 0 10 1000 EFFICIENCY vs. LOAD CURRENT (VOUT = 1.2V) LOAD CURRENT (mA) 100 20 10 30 40 50 60 80 70 90 100 0 10 1000 EFFICIENCY vs. LOAD CURRENT (VOUT = 0.6V) LOAD CURRENT (mA) 100 20 10 30 40 50 60 80 70 90 0 10 1000 NO-LOAD SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 4.0 4.5 5.0 2 1 3 4 5 6 8 7 9 0 2.5 3.0 3.5 5.5 OUTPUT VOLTAGE vs. LOAD CURRENT LOAD CURRENT (mA) 300 400 500 1.160 1.170 1.180 1.190 1.200 1.210 1.150 0 100 200 600 OUTPUT VOLTAGE vs. REFIN VOLTAGE REFIN VOLTAGE (V) 1.2 0.9 1.5 1.8 0.5 1.5 1.0 2.0 3.0 2.5 4.0 3.5 4.5 0 0 0.3 0.6 2.1 VIN = 4.2V VIN = 3.6V VIN = 3.0V RLOAD = 7.5 Ω |
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