Datasheet LT1585A, LT1585A-3.3 (Analog Devices) - 4

LT1585A/LT1585A-3.3
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1585A Reference Voltage Output Voltage vs Temperature LT1585A-3.3 Output Voltage vs Temperature Using Adjustable LT1585A vs Temperature
1.275 3.70 3.35 VOUT SET WITH 1% RESISTORS 1.270 3.65 3.34 VOUT = 3.6V 1.265 3.60 3.33 1.260 3.55 3.32 1.255 3.50 3.31 V V OUT = 3.45V OUT = 3.3V 1.250 3.45 3.30 1.245 3.40 VOUT = 3.38V 3.29 1.240 OUTPUT VOLTAGE (V) 3.35 OUTPUT VOLTAGE (V) 3.28 REFERENCE VOLTAGE (V) VOUT = 3.3V 1.235 3.30 3.27 1.230 3.25 3.26 1.225 3.20 3.25 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) LT1585A • TPC04 LT1585A • TPC05 LT1585A • TPC06
LT1585A Minimum Load Current LT1585A Adjust Pin Current LT1585A-3.3 Quiescent Current vs Temperature vs Temperature vs Temperature
5 100 13 90 12 4 80 11 A) µ 70 10 3 60 9 50 8 2 40 7 30 6 ADJUST PIN CURRENT ( QUIESCENT CURRENT (mA) 1 20 5 MINIMUM LOAD CURRENT (mA) 10 4 0 0 3 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) LT1585A • TPC07 LT1585A • TPC08 LT1585A • TPC09
LT1585A-3.3 Ripple Rejection LT1585A Maximum Power vs Frequency Dissipation*
90 30 80 25 70 60 20 50 15 40 POWER (W) 30 10 RIPPLE REJECTION (dB) 20 LT1585A-3.3: (VIN – VOUT) ≤ 3V 5 10 0.5V ≤ VRIPPLE ≤ 2V IOUT = IFULL LOAD 0 0 10 100 1k 10k 100k 50 60 70 80 90 100 110 120 130 140 150 FREQUENCY (Hz) CASE TEMPERATURE (˚C) LT1585A • TPC10 LT1585A • TPC11 *AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE 1585afa 4