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MAX791 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX791 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 20 page Microprocessor Supervisory Circuit 58 38 -60 -30 30 150 VCC SUPPLY CURRENT vs. TEMPERATURE (NORMAL OPERATING MODE) 42 54 TEMPERATURE (°C) 0 120 90 60 46 50 VCC = +5V VBATT = 2.8V PFI, CE IN = 0V 4.80 4.30 4.40 4.35 -60 -30 30 150 RESET THRESHOLD vs. TEMPERATURE TEMPERATURE (°C) 0 120 90 60 4.45 4.50 4.55 4.60 4.65 4.70 4.75 VBATT = 0V, POWER DOWN 600 0 100 -60 -30 30 150 RESET OUTPUT RESISTANCE vs. TEMPERATURE TEMPERATURE (°C) 0 120 90 60 200 300 400 500 VCC = 0V, VBATT = 2.8V SINKING CURRENT VCC = +5V, VBATT = 2.8V SOURCING CURRENT 230 170 180 -60 -30 30 150 RESET DELAY vs. TEMPERATURE TEMPERATURE (°C) 0 120 90 60 190 200 210 220 VCC = 0V TO 5V STEP VBATT = 2.8V __________________________________________Typical Operating Characteristics (TA = +25°C, unless otherwise noted.) 20 5 -60 -30 30 150 VBATT-to-VOUT ON-RESISTANCE vs. TEMPERATURE TEMPERATURE (°C) 0 120 90 60 10 15 VBATT = 2.0V VBATT = 2.8V VBATT = 4.5V VCC = 0V 2 0 -60 -30 30 150 BATTERY SUPPLY CURRENT vs. TEMPERATURE (BATTERY-BACKUP MODE) 0.5 TEMPERATURE (°C) 0 120 90 60 1 1.5 VCC = 0V VBATT = 2.8V NO LOAD 120 40 -60 -30 30 150 180 CHIP-ENABLE ON-RESISTANCE vs. TEMPERATURE 60 TEMPERATURE (°C) 0 120 90 60 80 100 VCC = +4.75V VBATT = 2.8V CE IN = VCC/2 1.2 0.6 0.7 -60 -30 30 150 VCC-to-VOUT ON-RESISTANCE vs. TEMPERATURE TEMPERATURE (°C) 0 120 90 60 0.8 0.9 1.0 1.1 VCC = +5V, VBATT = 0V 1.50 0 0.25 -60 -30 30 150 PFI THRESHOLD vs. TEMPERATURE TEMPERATURE (°C) 0 120 90 60 0.50 0.75 1.00 1.25 VCC = +5V, VBATT = 0V, NO LOAD ON PFO _______________________________________________________________________________________ 5 |
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