Datasheet LT1120A (Analog Devices) - 3

LT1120A
elecTrical characTerisTics TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS Reference
Reference Voltage 4.5V ≤ VIN ≤ 36V 2.46 2.50 2.54 V Line Regulation 4.5V ≤ VIN ≤ 36V 0.01 0.015 %/V Load Regulation –2.0mA ≤ IREF ≤ 2mA, VIN = 12V 0.3 0.6 % Output Source Current VIN = 5V 2 4 mA Output Sink Current VIN = 5V 2 4 mA Temperature Stability 1 %
Regulator
Supply Current VIN = 6V, IOUT ≤ 100µA 20 25 µA VIN = 36V, IOUT ≤ 100µA 30 40 µA VIN = 12V, IOUT = 125mA 11 20 mA Output Current (VIN – VOUT) ≥ 1V, VIN ≥ 6V 125 mA Load Regulation (VIN – VOUT) ≥ 1V, VIN ≥ 6V 0.2 0.5 % Line Regulation 6V ≤ VIN ≤ 36V 0.01 0.015 %/V Dropout Voltage IOUT = 100µA 0.02 0.05 V IOUT = 125mA 0.40 0.65 V Feedback Sense Voltage VIN = 12V 2.44 2.5 2.56 V Shutdown Pin Voltage Normal 0.4 V VOUT ≤ 0.5V Shutdown 2.2 1.4 V Shutdown Pin Current VIN = 1.4V 10 µA Feedback Bias Current 15 40 nA Minimum Load Current VIN = 36V 1 5 µA Short-Circuit Current VIN = 36V 250 400 mA
Comparator
Offset Voltage VIN = 36V 3 7 mV Bias Current VIN = 36V 15 40 nA Gain ∆VOUT = 29V, RL = 20k 2000 10000 V/V Power Supply Rejection 4.5V ≤ VS ≤ 36V 80 96 dB Output Sink Current VIN = 4.5V 10 18 mA Saturation Voltage IOUT = 1mA 0.4 0.6 V Input Voltage Range 0 VIN – 1 V Response Time 5 µs Leakage Current VIN = 36V, V(Pin 7) = 36V 2 µA 1120afb For more information www.linear.com/LT1120A 3 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 Typical Applications Package Description Revision History Related Parts