Datasheet LT6656 (Analog Devices) - 7

LT6656
TYPICAL PERFORMANCE CHARACTERISTICS Minimum Supply Voltage Supply Current vs Input Voltage vs Load Current Dropout Voltage vs Load Current
100 2.0 1000 2.048V TO 5V OPTIONS TA = 125°C 1.25V OPTION 2.048V TO 5V OPTIONS TA = 85°C INITIAL VIN = 2.2V VIN – VOUT TA = 25°C 1.8 ∆VOUT = 0.1% INITIAL VIN = VOUT + 0.5V TA = –55°C ∆VOUT = 0.1% 10 TAGE (V) 1.6 100 VON Y VOL TAGE (mV) 1.4 Y CURRENT (µA) 1 1.2 10 SUPPL TA = 125°C DROPOUT VOL T T A = 85°C A = 125°C 2.5V OPTION SHOWN MINIMUM SUPPL 1.0 T T A = 25°C A = 85°C VON MOVES WITH VOLTAGE OPTION T T A = –40°C A = 25°C T T A = –55°C A = –55°C 0.1 0.8 1 0 2 4 6 8 10 12 14 16 18 20 0.1µ 1µ 10µ 100µ 1m 10m 0.1µ 1µ 10µ 100µ 1m 10m INPUT VOLTAGE (V) LOAD CURRENT (A) LOAD CURRENT (A) 6656 G03 6656 G18 6656 G04
Load Regulation (Sourcing) Load Regulation (Sourcing) Load Regulation (Sinking)
500 750 5.0 1.25V OPTION 2.048V TO 5V OPTIONS ALL OPTIONS VIN = 1.75V VIN = VOUT + 0.5V 4.5 VIN = VOUT + 0.5V 250 CL = 1µF 500 CL = 1µF 4.0 CL = 1µF 3.5 0 250 3.0 TA = 85°C, 125°C 2.5 T –250 0 A = 25°C T TAGE CHANGE (ppm) TAGE CHANGE (ppm) TAGE CHANGE (%) 2.0 A = –40°C TA = –55°C –500 –250 1.5 TA = 125°C 1.0 TA = 85°C TA = 125°C OUTPUT VOL –750 TA = 25°C OUTPUT VOL –500 TA = 85°C OUTPUT VOL 0.5 TA = –40°C TA = 25°C 0 TA = –55°C TA = –55°C –1000 –750 –0.5 0.1µ 1µ 10µ 100µ 1m 10m 0.1µ 1µ 10µ 100µ 1m 10m 10µ 100µ 1m LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 6656 G19 6656 G05 6656 G06
Power Supply Rejection Ratio Power Supply Rejection Ratio Line Regulation vs Frequency vs Frequency
1000 90 90 ALL OPTIONS T V 2.5V OPTION 900 A = 125°C IN = VOUT + 0.5V IL = 0 TA = 85°C 80 CL = 1µF 80 VIN = 3V 800 CL = 1µF TA = 25°C IL = 0 70 700 TA = –55°C TIO (dB) 70 TIO (dB) 60 600 2.5V OPTION SHOWN 60 V 500 ON MOVES WITH 50 VOLTAGE OPTION 50 400 40 TAGE CHANGE (ppm) 300 VON 40 Y REJECTION RA Y REJECTION RA 30 200 30 20 100 20 I 10 L = 0, CL = 1µF OUTPUT VOL 0 1.25V OPTION IL = 0, CL = 10µF –100 POWER SUPPL 10 2.5V OPTION POWER SUPPL 0 IL = 1mA, CL = 1µF 5V OPTION IL = 1mA, CL = 10µF –200 0 –10 0 2 4 6 8 10 12 14 16 18 20 10 100 1k 10k 10 100 1k 10k INPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 6656 G08 6656 G09 6656 G20 6656fc For more information www.linear.com/LT6656 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Available Options Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts