Datasheet LT3020, LT3020-1.2, LT3020-1.5, LT3020-1.8 (Analog Devices) - 6

LT3020/LT3020-1.2/ LT3020-1.5/LT3020-1.8
W U TYPICAL PERFOR A CE CHARACTERISTICS Quiescent Current GND Pin Current Quiescent Current
1000 2500 1000 V VOUT = 1.5V (LT 3020-1.5) V OUT = 1.5V (LT 3020-1.5) OUT = 1.8V (LT 3020-1.8) 900 2250 I TJ = 25°C 900 I L = 0 L = 0 T T 800 J = 25°C 2000 800 J = 25°C µA) µA) R µA) 700 1750 L = 15Ω 700 IL = 100mA 600 1500 600 500 1250 R 500 L = 30Ω 400 1000 IL = 50mA 400 300 750 R 300 GND PIN CURRENT ( L = 150Ω RL = 1.5k I QUIESCENT CURRENT ( QUIESCENT CURRENT ( 200 500 L = 10mA IL = 1mA 200 VSHDN = VIN VSHDN = VIN 100 250 100 V V SHDN = 0V SHDN = 0V 0 0 0 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 10 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 3020 G28 3020 G25 3020 G27
GND Pin Current GND Pin Current vs ILOAD SHDN Pin Threshold
2500 2000 1.0 V V IN = 1.7V IL = 1mA OUT = 1.8V (LT 3020-1.8) 2250 T 1800 VOUT = 1.2V 0.9 J = 25°C TJ = 25°C 2000 R 1600 0.8 L = 18Ω µA) I 1750 L = 100mA µA) 1400 0.7 1500 1200 0.6 1250 RL = 36Ω 1000 0.5 IL = 50mA 1000 800 0.4 750 RL = 180Ω R 600 0.3 GND PIN CURRENT ( L = 1.8k GND PIN CURRENT ( IL = 10mA I SHDN PIN THRESHOLD (V) 500 L = 1mA 400 0.2 250 200 0.1 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 10 20 30 40 50 60 70 80 90 100 –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (V) OUTPUT CURRENT (mA) TEMPERATURE (°C) 3020 G07 3020 G08 3020 G26
SHDN Pin Input Current SHDN Pin Input Current (
µ
A) ADJ Pin Bias Current
5.0 5.0 25 TJ = 25°C VSHDN = 10V 4.5 4.5 µA) 4.0 µA) 4.0 20 3.5 3.5 3.0 3.0 15 2.5 2.5 2.0 2.0 10 1.5 1.5 1.0 1.0 ADJ PIN BIAS CURRENT (nA) 5 SHDN PIN INPUT CURRENT ( SHDN PIN INPUT CURRENT ( 0.5 0.5 0 0 0 0 1 2 3 4 5 6 7 8 9 10 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SHDN PIN VOLTAGE (V) TEMPERATURE (°C) TEMPERATURE (°C) 3020 G09 3020 G10 3020 G11 3020fc 6