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MAX774C/D датащи(PDF) 3 Page - Maxim Integrated Products |
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MAX774C/D датащи(HTML) 3 Page - Maxim Integrated Products |
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3 / 16 page ![]() -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-to-DC Controllers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (V+ = 5V, ILOAD = 0mA, CREF = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) 3V ≤ V+ ≤ 16.5V V+ = 16.5V, SHDN = 0V or V+ MAX774, V+ = 5V, ILOAD = 1A MAX776, V+ = 5V, ILOAD = 400mA MAX775, V+ = 5V, ILOAD = 500mA CONDITIONS V 1.6 VIH SHDN Input Voltage High µA ±1 SHDN Input Current % 82 Efficiency (Circuit of Figure 2— Bootstrapped) 87 CEXT = 1nF, V+ = 12V CEXT = 1nF, V+ = 12V ns 50 V+ = 12V V+ = 12V EXT Fall Time µs 88 ns 1.8 2.3 2.8 tOFF (max) Switch Minimum Off-Time µs 12 16 20 tON (max) Switch Maximum On-Time µA ±1 CS Input Current 50 UNITS MIN TYP MAX SYMBOL EXT Rise Time PARAMETER 160 210 260 3V ≤ V+ ≤ 16.5V mV 180 210 240 VCS Current-Limit Trip Level (V+ – CS) 0.3 3V ≤ V+ ≤ 16.5V V 0.4 VIL SHDN Input Voltage Low MAX77_M MAX77_C/E MAX77_M MAX77_C/E |
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