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MAX1534 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX1534 Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 16 page High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (Circuit of Figure 1, VIN = +12V, PRESET = GND, TA = +25°C, unless otherwise noted.) 0 40 20 80 60 120 100 140 614 10 18 22 26 NO-LOAD SUPPLY CURRENT vs. VIN, CIRCUIT 1, ILIM = GND VIN (V) SHDN = IN SHDN = GND SHDN = IN VOUT3 NOT CONNECTED TO VLDOIN 0.4 0.7 0.6 0.5 0.8 0.9 1.0 1.1 1.2 1.3 1.4 614 10 18 22 26 PEAK SWITCH CURRENT vs. VIN, CIRCUIT 1, ILIM = IN VIN (V) L = 10 µH L = 15 µH L = 22 µH IOUT3 = 300mA 40 µs/div BUCK LOAD TRANSIENT 1A 0 ILX 1A/div VOUT3 200mV/div AC-COUPLED IOUT3 500mA/div MAX1534 toc09 10V 0 0 500mA VLX 10V/div VIN = 12V, IOUT3 = 100mA TO 450mA 100 µs/div LINE TRANSIENT 15V 10V VOUT3 200mV/div AC-COUPLED VIN 5V/div MAX1534 toc10 0 1A ILX 500mA/div VIN = 10V TO 15V, IOUT3 = 300mA 100 µs/div LINE TRANSIENT NEAR DROPOUT 10V 5V VOUT3 200mV/div AC-COUPLED VIN 5V/div MAX1534 toc11 0 1A ILX 500mA/div VIN = 5.2V TO 10V, IOUT3 = 300mA 0 40 20 80 60 120 100 140 180 160 200 0 100 150 200 50 250 300 350 450 400 500 SWITCHING FREQUENCY vs. LOAD CURRENT, CIRCUIT 1, ILIM = IN IOUT3 (mA) VIN = 20V VIN = 12V VIN = 7V |
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Similar Description - MAX1534 |
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