Datasheet LT3013B (Analog Devices) - 5

LT3013B
TYPICAL PERFORMANCE CHARACTERISTICS GND Pin Current vs ILOAD ADJ Pin Bias Current PWRGD Trip Point
10 50 95 VIN = 4.5V 9 TJ = 25°C 45 94 8 40 93 7 35 92 6 30 91 OUTPUT RISING 5 25 90 4 20 89 3 15 88 OUTPUT FALLING GND PIN CURRENT (mA) 2 ADJ PIN BIAS CURRENT (nA) 10 87 1 5 86 0 0 PWRGD TRIP POINT (% OF OUTPUT VOLTAGE) 85 0 50 100 150 200 250 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 LOAD CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 3013 G09 3013 G13 3013 G25
PWRGD Output Low Voltage CT Charging Current CT Comparator Thresholds
200 4.0 2.0 IPWRGD = 50μA PWRGD TRIPPED HIGH 180 VCT (HIGH) 3.5 1.8 160 1.6 3.0 140 1.4 120 2.5 1.2 100 2.0 1.0 80 1.5 0.8 60 0.6 1.0 40 CT CHARGING CURRENT (μA) 0.4 PWRGD OUTPUT LOW VOLTAGE (mV) CT COMPARATOR THRESHOLDS (V) 20 0.5 0.2 VCT (LOW) 0 0 0 –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) 3013 G26 3013 G27 3013 G28
Current Limit Current Limit Reverse Output Current
1.0 0.7 200 VOUT = 0V TJ = 25°C 0.9 180 V 0.6 IN = 0V V 0.8 OUT = VADJ 160 0.7 TJ = 25°C 0.5 140 0.6 120 T 0.4 J = 125°C 0.5 100 CURRENT FLOWS ADJ 0.3 INTO OUTPUT PIN PIN CLAMP 0.4 80 (SEE APPLICATIONS CURRENT LIMIT (A) 0.3 CURRENT LIMIT (A) 0.2 60 INFORMATION) 0.2 40 0.1 REVERSE OUTPUT CURRENT (μA) 0.1 VIN = 7V 20 VOUT = 0V 0 0 0 0 10 20 30 40 50 60 70 80 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) TEMPERATURE (°C) OUTPUT VOLTAGE (V) 3013 G14 3013 G15 3013 G16 3013bfb 5