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MAX17233ETIR+ Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX17233ETIR+ Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 24 page (TA = +25°C, unless otherwise noted.) Typical Operating Characteristics QUIESCIENT CURRENT vs. TEMPERATURE TEMPERATURE (°C) 0 20 40 60 80 100 120 140 -20 20 10 50 40 30 60 0 -60 -40 VEN1 = VBAT VEN2 = 0V EXTVCC = VOUT1 VEN1 = 0V VEN2 = VBAT EXTVCC = VOUT2 NO LOAD STARTUP SEQUENCE (VFSYNC = 0V) toc01 VBAT 5V/div VOUT1 2V/div VOUT2 2V/div VPGOOD1 5V/div VPGOOD2 5V/div 2ms/div BUCK1 EFFICIENCY IOUT1 (A) 1.0E+00 1.0E-02 1.0E-04 10 20 30 40 50 60 70 80 90 100 0 1.0E-06 1.0E-01 1.0E-03 1.0E-05 1.0E+01 fSW = 2.2MHz L = 2.2µH VBAT = 14V VOUT1 = 5V SKIP MODE EXTVCC = VOUT1 EXTVCC = GND EXTVCC = VOUT2 EXTVCC = GND PWM MODE QUIESCIENT CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 15 20 25 30 35 40 10 20 10 70 60 50 40 30 80 0 0 5 BUCK 1 EXTVCC = VOUT1 BUCK 2 EXTVCC = VOUT2 FULL LOAD STARTUP SEQUENCE (VFSYNC = 0V) toc02 VBAT 5V/div VOUT1 2V/div VOUT2 2V/div IOUT1 2A/div IOUT2 2A/div VPGOOD1 5V/div VPGOOD2 5V/div 4ms/div BUCK2 EFFICIENCY IOUT2 (A) 1.0E+00 1.0E-02 1.0E-04 10 20 30 40 50 60 70 80 90 100 0 1.0E-06 1.0E-01 1.0E-03 1.0E-05 1.0E+01 fSW = 2.2MHz L = 2.2µH VBAT = 14V VOUT2 = 3.3V SKIP MODE PWM MODE EXTVCC = VOUT2 EXTVCC = GND EXTVCC = VOUT2 EXTVCC = GND MAX17232/MAX17233 3.5V–36V, 2.2MHz, Synchronous Dual Buck Controller with 20µA Quiescent Current Maxim Integrated │ 6 www.maximintegrated.com |
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