Datasheet LT1121, LT1121-3.3, LT1121-5 (Analog Devices) - 5

LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFORMANCE CHARACTERISTICS Guaranteed Dropout Voltage Dropout Voltage Quiescent Current
0.7 0.7 50 VIN = 6V R 0.6 0.6 LOAD = ∞ I T LOAD = 150mA J ≤ 125°C 40 A) 0.5 0.5 I μ V LOAD = 100mA SHDN = OPEN 30 0.4 0.4 TJ ≤ 25°C 0.3 0.3 ILOAD = 50mA 20 VSHDN = 0V ILOAD = 1mA DROPOUT VOLTAGE (V) 0.2 DROPOUT VOLTAGE (V) 0.2 QUIESCENT CURRENT ( 10 0.1 0.1 = TEST POINTS 0 0 0 0 20 40 60 80 100 120 140 160 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 OUTPUT CURRENT (mA) TEMPERATURE (°C) TEMPERATURE (°C) 1121 G01 1121 G02 1121 G03
LT1121-3.3 LT1121-5 LT1121 Quiescent Current Quiescent Current Quiescent Current
120 120 120 TJ = 25°C TJ = 25°C TJ = 25°C RLOAD = ∞ RLOAD = ∞ RLOAD = ∞ 100 100 100 VOUT = VADJ A) A) A) μ μ μ 80 80 80 V V V SHDN = OPEN SHDN = OPEN SHDN = OPEN 60 60 60 40 40 40 QUIESCENT CURRENT ( QUIESCENT CURRENT ( QUIESCENT CURRENT ( 20 VSHDN = 0V 20 VSHDN = 0V 20 VSHDN = 0V 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1121 G04 1121 G05 1121 G06
LT1121-3.3 LT1121-5 LT1121 Output Voltage Output Voltage Adjust Pin Voltage
3.38 5.08 3.83 I I I OUT = 1mA OUT = 1mA OUT = 1mA 3.36 5.06 3.81 3.34 5.04 3.79 3.32 5.02 3.77 3.30 5.00 3.75 3.28 4.98 3.73 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) ADJ PIN VOLTAGE (V) 3.26 4.96 3.71 3.24 4.94 3.69 3.22 4.92 3.67 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1121 G07 1121 G08 1121 G09 1121fg 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Package Description Revision History Related Parts