Datasheet LTC1844 (Analog Devices) - 5

LTC1844 Series
W U TYPICAL PERFOR A CE CHARACTERISTICS VOUT vs Temperature VOUT vs Temperature VOUT vs Temperature
1.520 1.820 2.520 VOUT = 1.5V VOUT = 1.8V VOUT = 2.5V 1.515 1.815 2.515 1.510 1.810 2.510 1.505 1.805 2.505 (V) (V) (V) 1.500 1.800 2.500 OUT OUT V OUTV V 1.495 1.795 2.495 1.490 1.790 2.490 1.485 1.785 2.485 1.480 1.780 2.480 – 50 – 25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1844 G01 1844 G02 1844 G03
VOUT vs Temperature VOUT vs Temperature VOUT vs Temperature
2.820 3.320 1.270 VOUT = 2.8V VOUT = 3.3V VOUT = ADJ 2.815 3.315 1.265 2.810 3.310 1.260 2.805 3.305 1.255 (V) (V) (V) 2.800 3.300 1.250 OUT OUT OUT V V V 2.795 3.295 1.245 2.790 3.290 1.240 2.785 3.285 1.235 2.780 3.280 1.230 – 50 – 25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1844 G04 1844 G05 1844 G05
Quiescent Current vs Temperature Current Limit vs Temperature SHDN Threshold vs Temperature
70 500 800 VOUT = 2.8V ILOAD = 1mA 60 750 450 700 50 400 650 40 µA) ( 350 600 I Q 30 550 300 20 CURRENT LIMIT (mA) SHDN THRESHOLD (mV) 500 10 250 450 0 200 400 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 – 50 – 25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1844 G07 1844 G08 1844 G09 1844fa 5