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MAX8845Z Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX8845Z Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 18 page 28V Linear Li+ Battery Chargers with Battery Detection and Overvoltage Protected Output _______________________________________________________________________________________ 5 Typical Operating Characteristics (continued) (VIN = 5V, VBATT = 4V, RPOK = RCHG = 200kΩ to 5V, EN = unconnected, RSETI = 2.8kΩ to GND, RMIN = 1.74kΩ to GND, RDETBAT = 4.7k Ω to GND, CBATT = 2.2µF, TA = +25°C, unless otherwise noted.) -1.0 -0.4 -0.6 -0.8 -0.2 0 0.2 0.4 0.6 0.8 1.0 -40 10 -15 35 60 85 BATTERY REGULATION ACCURACY vs. AMBIENT TEMPERATURE AMBIENT TEMPERATURE ( °C) IBATT = 0 FAST-CHARGE CURRENT vs. RSETI RSETI (k Ω) 1000 100 10 10 100 1000 1 1 10,000 TOP-OFF CURRENT THRESHOLD vs. 1/RMIN (k Ω) 1/RMIN (k Ω) 100 150 200 250 300 350 400 450 500 550 600 50 0.4 0.6 0.8 2.0 1.0 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 1.2 1.4 1.6 1.8 TOP-OFF CURRENT RISING TOP-OFF CURRENT FALLING 0 200 100 400 300 600 500 700 -40 0 20 -20 40 60 80 100 CHARGE CURRENT vs. AMBIENT TEMPERATURE AMBIENT TEMPERATURE ( °C) VBATT = 4V VBATT = 3.2V RSETI = 2.8k Ω 4 μs/div AUTOBOOT ENABLED BY ABI SIGNAL (MAX8845Z) VABI VIN 5V/div 5V/div 5V/div 5V/div MAX8845Z/Y toc14 VBATT VABO 0 0 0 0 20 μs/div AUTOBOOT ENABLED BY INPUT VOLTAGE (MAX8845Z) VABI VIN 5V/div 5V/div 5V/div 5V/div MAX8845Z/Y toc15 VBATT VABO 0 0 0 0 4 μs/div AUTOBOOT ENABLED BY ABI SIGNAL (MAX8845Y) VABI VIN 5V/div 5V/div 5V/div 5V/div MAX8845Z/Y toc16 VBATT VABO 0 0 0 0 |
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Similar Description - MAX8845Z |
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