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MAX17117ETJ+ Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX17117ETJ+ Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 22 page Internal-Switch Boost Regulator with Integrated 7-Channel Scan Driver, Op Amp, and LDO _______________________________________________________________________________________ 7 Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) STEP-UP REGULATOR EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (mA) 100 10 50 60 70 80 90 100 40 1 1000 VIN = 5.0V VIN = 3.0V VIN = 2.3V VMAIN = 8.5V STEP-UP REGULATOR LINE REGULATION vs. INPUT VOLTAGE IN VOLTAGE (V) 5.1 4.7 4.3 3.9 3.5 3.1 2.7 0.05 0.10 IMAIN = 200mA IMAIN = 0mA 0.15 0.20 0.25 0 2.3 5.5 LOAD CURRENT (mA) 100 10 1 1000 STEP-UP REGULATOR OUTPUT LOAD REGULATION vs. LOAD CURRENT -0.40 -0.30 -0.20 -0.10 0 0.10 -0.50 VIN = 5.0V VIN = 2.3V VIN = 3.0V STEP-UP CONVERTER PEAK INDUCTOR CURRENT LIMIT vs. RENA RENA (kI) 200 150 100 50 1.0 1.5 VIN = 3.3V VMAIN = 8.5V VLDO = 2.5V L1 = 10µH 2.0 2.5 3.0 0.5 0 250 STEP-UP REGULATOR LOAD-TRANSIENT RESPONSE (20mA TO 300mA) MAX17117 toc05 INDUCTOR CURRENT 1A/div VMAIN (AC-COUPLED) 200mV/div IMAIN 200mA/div 20mA L1 = 10µH RCOMP = 56.2kI CCOMP = 1000pF VLX 10V/div 0V 0V 0A 100µs/div STEP-UP REGULATOR PULSED LOAD-TRANSIENT RESPONSE (20mA TO 1A) MAX17117 toc06 INDUCTOR CURRENT 500mA/div VMAIN (AC-COUPLED) 100mV/div IMAIN 1A/div 20mA L1 = 10µH RCOMP = 56.2kI CCOMP = 1000pF VLX 10V/div 0V 0V 0A 10µs/div LOAD CURRENT (mA) 100 10 1 1000 LDO OUTPUT LOAD REGULATION vs. LOAD CURRENT -0.40 -0.30 -0.20 -0.10 0 0.10 -0.50 VIN = 3.0V VIN = 5.0V |
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