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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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MAX774C/D Datenblatt(PDF) 3 Page - Maxim Integrated Products |
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MAX774C/D Datenblatt(HTML) 3 Page - Maxim Integrated Products |
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3 / 16 page  -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-DC Controllers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) PARAMETER EXT Rise Time SYMBOL MIN TYP MAX 160 210 260 UNITS 50 CS Input Current ±1 µA Switch Maximum On-Time tON (max) 12 16 20 µs Switch Minimum Off-Time tOFF (max) 1.8 2.3 2.8 3V ≤ V+ ≤ 16.5V ns 88 µs EXT Fall Time MAX77_M V+ = 12V V+ = 12V 50 ns CEXT = 1nF, V+ = 12V CEXT = 1nF, V+ = 12V 87 Efficiency (Circuit of Figure 2— Bootstrapped) 82 % SHDN Input Current ±1 µA SHDN Input Voltage High VIH 1.6 V SHDN Input Voltage Low VIL 0.4 V Current-Limit Trip Level (V+ – CS) VCS 180 210 240 mV CONDITIONS MAX775, V+ = 5V, ILOAD = 500mA MAX776, V+ = 5V, ILOAD = 400mA MAX774, V+ = 5V, ILOAD = 1A V+ = 16.5V, SHDN = 0V or V+ 3V ≤ V+ ≤ 16.5V 3V ≤ V+ ≤ 16.5V MAX77_C/E |
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