Datasheet LT3063 (Analog Devices) - 7

LT3063 Series
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Internal Current Limit Internal Current Limit Output Discharge Time
400 500 4.0 VIN = 7V COUT = 10µF 350 450 VOUT = 0V 3.5 VIN = VOUT + 1V 400 300 3.0 350 250 300 2.5 200 250 2.0 150 200 1.5 CURRENT LIMIT (mA) T CURRENT LIMIT (mA) 150 100 J = 150°C T 1.0 OUTPUT DISCHARGE J = 125°C T 100 OUTPUT DISCHARGE TIME (ms) FOLDBACK STARTS 50 J = 25°C TJ = –40°C 50 0.5 TJ = –55°C 0 0 0 0 5 10 15 20 25 30 35 40 45 –75 –50 –25 0 25 50 75 100 125 150 175 0 2 4 6 8 10 12 14 16 18 20 INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V) TEMPERATURE (°C) OUTPUT VOLTAGE (V) 3063 G19 3063 G20 3063 G21
Output Discharge Time Output Discharge vs VOUT Output Discharge vs VOUT COUT = 10µF, VIN = VOUT + 1V CREF/BYP = 0 CREF/BYP = 0
7 OUT = 20V OUT = 12V 12V 12V 6 OUT = 5V OUT = 3.3V 10V 5 OUT = 1.2V 8V 20V 20V 6V 15V 4 2V/DIV 5V/DIV 5V 12V 3.3V 3 2V 1.2V 2 0V 0V SHDN: 0 TO 1V SHDN: 0 TO 1V OUTPUT DISCHARGE TIME (ms) 1 3063 G23 3063 G24 1ms/DIV 1ms/DIV VIN = VOUT +1V VIN = VOUT +1V 0 C C –75 –50 –25 0 25 50 75 100 125 150 175 OUT = 10µF OUT = 10µF IFB-DIVIDER = 5µA IFB-DIVIDER = 5µA TEMPERATURE (°C) 3063 G22
Reverse Current Reverse Current Input Ripple Rejection
50 150 90 VIN = VSHDN = 2.1V 140 VOUT = VADJ = 3.3V 45 VADJ = VOUT 130 VIN = VSHDN = 2.1V 80 VOUT = 0.6V 40 120 70 110 VOUT = 5V 35 100 IADJ 60 COUT = 10µF 30 90 80 50 25 70 40 20 60 50 30 15 OUTPUT CURRENT (µA) OUTPUT CURRENT (µA) 40 RIPPLE REJECTION (dB) 10 30 20 I 20 LOAD = 200mA IOUT 5 10 CREF/BYP = CFF = 0 10 VIN = VOUT +1.5V +50mVRMS C 0 0 0 OUT = 3.3µF 0 2 4 6 8 10 12 14 16 18 20 –75 –50 –25 0 25 50 75 100 125 150 175 10 100 1k 10k 100k 1M 10M VOUT (V) TEMPERATURE (°C) FREQUENCY (Hz) 3063 G25 3063 G26 3063 G27 3063fa For more information www.linear.com/LT3063 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Typical Application Related Parts