Datasheet LT1529, LT1529-3.3, LT1529-5 (Analog Devices) - 6

LT1529 LT1529-3.3/LT1529-5
W U TYPICAL PERFOR A CE CH C ARA TERISTICS SHDN Pin Current SHDN Pin Input Current ADJ Pin Bias Current
10 25 500 VSHDN = 0V VADJ = VOUT = 3.75V 9 450 8 20 400 A) µ 7 350 6 15 300 5 250 4 10 200 3 150 SHDN PIN CURRENT ( 2 5 ADJ PIN BIAS CURRENT (nA) 100 SHDN PIN INPUT CURRENT (mA) 1 50 0 0 0 – 50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) SHDN PIN VOLTAGE (V) TEMPERATURE (°C) LT1529 • G19 LT1529 • G20 LT1529 • G21
Reverse Output Current Current Limit Current Limit
150 6 6 VOUT = 0V VIN = 7V VOUT = 0V 125 5 5 A) µ 100 4 4 75 3 3 50 2 2 OUTPUT CURRENT ( SHORT-CIRCUIT CURRENT (A) SHORT-CIRCUIT CURRENT (A) 25 1 1 0 0 0 – 50 – 25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 – 50 – 25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) LT1529 • G22 LT1529 • G23 LT1529 • G24
Reverse Output Current Ripple Rejection Ripple Rejection
100 62 100 T I J = 25°C, VIN = 0V (VIN – VOUT)AVG = 1V OUT = 1.5A 90 90 V V OUT = VSENSE IN = VOUT (NOMINAL) + 1 60 VRIPPLE = 0.5VP-P + 50mV 80 (LT1529-3.3/LT1529-5) ILOAD = 1.5A 80 RMS RIPPLE V f = 120Hz A) OUT = VADJ (LT1529) µ 70 CURRENT FLOWS 58 70 INTO DEVICE COUT = 47µF 60 60 LT1529 56 50 50 54 40 40 COUT = 22µF 30 30 OUTPUT CURRENT ( 52 LT1529-3.3 RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) 20 20 LT1529-5 50 10 10 0 48 0 0 1 2 3 4 5 6 7 8 9 10 – 50 – 25 0 25 50 75 100 125 10 100 1k 10k 100k OUTPUT VOLTAGE (V) TEMPERATURE (°C) FREQUENCY (Hz) LT1529 • G27 LT1529 • G25 LT1529 • G26 152935fb 6