Datasheet LT1585-1.5, LT1585A-1.5 (Analog Devices) - 3

LT1585-1.5/LT1585A-1.5
W U TYPICAL PERFORMANCE CHARACTERISTICS LT1585A-1.5 Dropout Voltage vs LT1585A-1.5 Short-Circuit Current Output Current vs Temperature Load Regulation vs Temperature
1.5 6.0 0.10 GUARANTEED ∆I = IFULL LOAD 1.4 TEST POINTS 0.05 1.3 T = –5°C 5.5 1.2 0 1.1 1.0 T = 125°C 5.0 –0.05 0.9 T = 25°C –0.10 0.8 DROPOUT VOLTAGE (V) 4.5 0.7 SHORT-CIRCUIT CURRENT (A) OUTPUT VOLTAGE DEVIATION (%) –0.15 0.6 0.5 4.0 –0.20 0 1 2 3 4 5 –75 –50 –25 0 25 50 75 100 125 150 175 –75 –50 –25 0 25 50 75 100 125 150 175 OUTPUT CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 1585-1.5 G01 1585-1.5 G02 1585-1.5 G03
Output Voltage vs Temperature Quiescent Current vs Temperature
1.53 13 12 1.52 11 10 1.51 9 1.50 8 7 1.49 OUTPUT VOLTAGE (V) 6 QUIESCENT CURRENT (mA) 5 1.48 4 1.47 3 –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) 1585-1.5 G04 1585-1.5 G05
Ripple Rejection vs Frequency Maximum Power Dissipation*
90 30 LT1585A-1.5 80 25 70 60 20 LT1585-1.5 50 15 40 POWER (W) 30 10 RIPPLE REJECTION (dB) 20 (VIN – VOUT) ≤ 3V 0.5V ≤ V 5 10 RIPPLE ≤ 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) 1585-1.5 G06 1585-1.5 G07 *AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE 3