Datasheet LT3022, LT3022-1.2, LT3022-1.5, LT3022-1.8 (Analog Devices) - 8

LT3022/LT3022-1.2 LT3022-1.5/LT3022-1.8
TYPICAL PERFORMANCE CHARACTERISTICS GND Pin Current vs ILOAD SHDN Pin Threshold SHDN Pin Input Current
24 1.0 5.0 VIN = 1.6V IL = 1mA TJ = 25°C 21 VOUT = 1.2V 0.9 4.5 VSHDN = 10V 0.8 4.0 18 TJ = 25°C 0.7 3.5 15 0.6 3.0 12 0.5 2.5 9 0.4 2.0 PIN THRESHOLD (V) 0.3 PIN INPUT CURRENT (µA) 1.5 GND PIN CURRENT (mA) 6 SHDN 0.2 SHDN 1.0 3 0.1 0.5 0 0 0 0 100 200 300 400 500 600 700 800 900 1000 –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) 3022 G14 3022 G15 3022 G16
SHDN Pin Input Current Current Limit Reverse Input Leakage Current
6 3.0 0 VIN = 10V VOUT = 0V V 2.7 SHDN = 10V –2 5 2.4 VIN = 10V –4 2.1 4 –6 1.8 VIN = 1.7V –8 3 1.5 –10 1.2 –12 PIN INPUT CURRENT (µA) 2 CURRENT LIMIT (A) 0.9 INPUT CURRENT (µA) –14 SHDN 0.6 1 –16 VOUT = 0V 0.3 –18 VSHDN = 10V TJ = 25°C 0 0 –20 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10 TEMPERATURE (°C) TEMPERATURE (°C) INPUT VOLTAGE (V) 3022 G17 3022 G18 3022 G19
Reverse Input Leakage Current Reverse Output Current Input Ripple Rejection
0 120 100 V V –2 IN = 0V IN = 1.5V + 50mVRMS RIPPLE VOUT = 1.2V 90 VOUT = 0.5V –4 100 IOUT FLOWS INTO OUT PIN IL = 1A I 80 IN FLOWS OUT OF IN PIN TJ = 25°C –6 70 80 –8 60 COUT = 47µF –10 60 50 –12 40 40 C INPUT CURRENT (µA) –14 30 OUT = 10µF –16 V 20 IN = –10V REVERSE OUTPUT CURRENT (µA) 20 INPUT RIPPLE REJECTION (dB) –18 VOUT = 0V IOUT 10 VSHDN = 10V I –20 0 IN 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k 1M 10M TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (Hz) 3022 G20 3022 G21 3022 G22 3022fb 8 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts