Datasheet LT6654 (Analog Devices) - 7

LT6654
Typical perForMance characTerisTics The characteristic curves are similar across the LT6654 family. Curves from the LT6654-1.25, LT6654-2.5 and the LT6654-5 represent the full range of typical performance of all voltage options. Characteristic curves for other output voltages fall between these curves and can be estimated based on their output. 1.25V Output Voltage 1.25V Output Impedance Temperature Drift 1.25V Turn-On Characteristics vs Frequency
1.2520 100 THREE TYPICAL PARTS 1.2515 10 1.2510 VIN 1V/DIV TAGE (V) CL = 1µF 1.2505 GND 1 1.2500 1.2495 V REFERENCE VOL OUT CL = 10µF 0.5V/DIV OUTPUT IMPEDANCE (Ω) 0.1 1.2490 GND 1.2485 0.01 –60 –40 –20 0 20 40 60 80 100 120 140 20µs/DIV 6654 G02 0.1 1 10 100 1000 TEMPERATURE (°C) CLOAD = 1µF FREQUENCY (kHz) 6654 G01 6654 G03
1.25V Load Regulation (Sourcing) 1.25V Load Regulation (Sinking) 1.25V Output Noise 0.1Hz to 10Hz
30 200 20 180 125°C –55°C 160 10 –40°C 140 0 µV/DIV) 120 –10 25°C 100 25°C TAGE CHANGE (ppm) 125°C TAGE CHANGE (ppm) –20 80 60 –30 OUTPUT NOISE (1 40 OUTPUT VOL –40 OUTPUT VOL –40°C 20 –55°C –50 0 0.1 1 10 0.1 1 10 0 1 2 3 4 5 6 7 8 9 10 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) TIME (1s/DIV) 6654 G04 6654 G05 6654 G06
1.25V Minimum Input Voltage 1.25V Minimum Input Voltage 1.2V Output Voltage Noise (Sourcing) (Sinking) Spectrum
10 10 400 350 25°C ) 300 Hz 125°C 250 25°C –40°C 125°C –55°C 1 1 TAGE (nV√ 200 –55°C –40°C 150 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) NOISE VOL I 100 O = 0µA I 50 O = 5mA 0.1 0.1 0 1 1.2 1.4 1.6 1.8 2 2.2 2.4 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.01 0.1 1 10 100 MINIMUM INPUT VOLTAGE (V) MINIMUM INPUT VOLTAGE (V) FREQUENCY (kHz) 6654 G07 6654 G08 6654 G09 6654fh For more information www.linear.com/LT6654 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Available Options Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Applications Information Typical Applications Package Description Revision History Typical Application Related Parts