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MAX1540 Fiches technique(PDF) 3 Page - Maxim Integrated Products |
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MAX1540 Fiches technique(HTML) 3 Page - Maxim Integrated Products |
3 / 49 page Dual Step-Down Controllers with Saturation Protection, Dynamic Output, and Linear Regulator _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (V+ = 15V, VCC = VDD = ON1 = ON2 = 5V, SKIP = GND, LDOIN (MAX1541) = V+, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25 °C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Standby Supply Current (VDD, MAX1541 Only) ON1 = ON2 = GND, VLDOON = V+ = 28V <1 5 µA MAX1540: ON1 = ON2 = GND, LDOON = V+ = 28V, VCC = 0 or 5V 105 Standby Supply Current (V+) MAX1541: ON1 = ON2 = GND, LDOON = V+ = 28V, VCC = VDD = 0 or 5V <1 5 µA Standby Supply Current (LDOIN, MAX1541 Only) ON1 = ON2 = GND, VLDOON = V+ = 28V 100 µA Shutdown Supply Current (VCC) ON1 = ON2 = LDOON = GND <1 5 µA Shutdown Supply Current (VDD, MAX1541 Only) ON1 = ON2 = LDOON = GND <1 5 µA MAX1540: ON1 = ON2 = LDOON = GND, V+ = 28V, VCC = 0 or 5V 415 Shutdown Supply Current (V+) MAX1541: ON1 = ON2 = LDOON = GND, V+ = 28V, VCC = VDD = 0 or 5V <1 5 µA Shutdown Supply Current (LDOIN, MAX1541 Only) LDOON = GND 4 10 µA PWM CONTROLLERS FB1 = GND 1.782 1.80 1.818 VOUT1 Preset output, V+ = 5.5V to 28V, SKIP = VCC FB1 = VCC 1.188 1.20 1.212 MAX1540 Main Output-Voltage Accuracy (OUT1) (Note 2) VFB1 Adjustable output, V+ = 5.5V to 28V, SKIP = VCC 0.693 0.70 0.707 V FB2 = GND 2.475 2.50 2.525 VOUT2 Preset output, V+ = 5.5V to 28V, SKIP = VCC FB2 = VCC 1.485 1.50 1.515 MAX1540 Secondary Output- Voltage Accuracy (OUT2) (Note 2) VFB2 Adjustable output, V+ = 5.5V to 28V, SKIP = VCC 0.693 0.70 0.707 V MAX1541 Main Feedback- Voltage Accuracy (FB1) VFB1 V+ = 4.5V to 28V, SKIP = VCC REFIN1 = 0.35 x REF 0.693 0.70 0.707 V FB2 = GND 2.475 2.50 2.525 VOUT2 Preset output, V+ = 4.5V to 28V, SKIP = VCC FB2 = VCC 1.782 1.80 1.818 MAX1541 Secondary Output- Voltage Accuracy (OUT2) (Note 2) VFB2 Adjustable output, V+ = 4.5V to 28V, SKIP = VCC 0.693 0.70 0.707 V Load-Regulation Error ILOAD = 0 to 3A, SKIP = VCC 0.1 % Line-Regulation Error VCC = 4.5V to 5.5V, V+ = 4.5V to 28V 0.25 % FB_ Input Bias Current IFB_ -0.1 +0.1 µA Output Adjust Range 0.7 5.5 V |
Numéro de pièce similaire - MAX1540 |
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Description similaire - MAX1540 |
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