Datasheet LT3021, LT3021-1.2, LT3021-1.5, LT3021-1.8 (Analog Devices) - 7

LT3021/LT3021-1.2/ LT3021-1.5/LT3021-1.8
TYPICAL PERFORMANCE CHARACTERISTICS GND Pin Current GND Pin Current GND Pin Current
8 8 9 VOUT = 1.2V VOUT = 1.5V VOUT = 1.8V R 7 L = 2.4Ω TJ = 25°C R T L = 3Ω J = 25°C TJ = 25°C I 7 8 L = 500mA IL = 500mA RL = 3.6Ω 6 6 7 IL = 500mA 6 5 5 RL = 4.8Ω RL = 6Ω 5 R 4 IL = 250mA L = 7.2Ω R 4 L = 24Ω IL = 250mA RL = 30Ω IL = 250mA RL = 36Ω I 4 L = 50mA RL = 120Ω I RL = 150Ω I RL = 180Ω 3 I L = 50mA L = 50mA L = 10mA 3 I I R L = 10mA L = 10mA L = 12Ω 3 R RL = 18Ω GND PIN CURRENT (mA) L = 15Ω 2 IL = 100mA GND PIN CURRENT (mA) 2 I GND PIN CURRENT (mA) I L = 100mA 2 L = 100mA 1 1 1 R R L = 1.2k, IL = 1mA L = 1.5k, IL = 1mA RL = 1.8k, IL = 1mA 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 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) 3021 G06 3021 G24 3021 G25
GND Pin Current vs ILOAD SHDN Pin Threshold SHDN Pin Input Current
10 1.0 V 5.0 SHDN = 10V IL = 1mA 9 0.9 4.5 8 0.8 A) μ 4.0 7 0.7 3.5 6 0.6 3.0 5 0.5 2.5 4 0.4 2.0 PIN THRESHOLD (V) 3 0.3 PIN INPUT CURRENT ( 1.5 GND PIN CURRENT (mA) SHDN 2 0.2 SHDN 1.0 1 0.1 0.5 0 0 0 0 100 200 300 400 500 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 LOAD CURRENT (mA) TEMPERATURE (°C) SHDN PIN VOLTAGE (V) 3021 G07 3021 G08 3021 G09 Rev.D For more information www.analog.com 7 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Typical Performance Characteristics Pin Functions Applications Information Package Description