Datasheet LT1120 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | Micropower Regulator with Comparator and Shutdown |
| Páginas / Página | 12 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Supply Current. Supply Current at … |
| Formato / tamaño de archivo | PDF / 138 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFOR A CE CHARACTERISTICS. Supply Current. Supply Current at Dropout. Reference Regulation. Feedback Pin Current
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LT1120
W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current Supply Current at Dropout
10 10 T I J = –55°C TO 125°C I OUT = 100mA OUT = 100mA 1 1 IOUT = 10mA IOUT = 10mA 0.1 0.1 IOUT = 1mA SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) I V OUT = 1mA OUT = 5V TJ = –55°C TO 125°C 0.01 0.01 1 5 10 15 20 25 1 0.1 0.2 0.3 0.4 0.5 0.6 REGULATOR INPUT-OUTPUT DIFFERENTIAL (V) REGULATOR INPUT-OUTPUT DIFFERENTIAL (V) 1120 G07 1120 G08
Reference Regulation Feedback Pin Current
4 40 3 35 2 30 TJ = –55°C 1 25 0 20 –1 15 TJ = 25°C –2 FEEDBACK CURRENT (nA) 10 T REFERENCE VOLTAGE CHANGE (mV) –3 5 J = 125°C –4 0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 0.1 1 10 100 1000 REFERENCE OUTPUT CURRENT (mA) REGULATOR OUTPUT CURRENT (mA) 1120 G11 1120 G09
Regulator Thermal Regulation LT1120 Turn-On Characteristic
0.1 5.5 VIN = 15V VOUT = 5V VOUT = 5V 5.0 0 4.5 CHANGE (%) NO LOAD RL = 500Ω OUTPUT VOLTAGE 4.0 –0.1 3.5 3.0 OUTPUT VOLTAGE (V) 50 2.5 2.0 OUTPUT RL = 50Ω CURRENT (mA) 0 0 0 20 40 60 80 100 120 140 160 180 0 1 2 3 4 5 6 7 8 TIME (ms) INPUT VOLTAGE (V) 1120 G12 1120 G13 1120fd 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current Supply Current at Dropout
10 10 T I J = –55°C TO 125°C I OUT = 100mA OUT = 100mA 1 1 IOUT = 10mA IOUT = 10mA 0.1 0.1 IOUT = 1mA SUPPLY CURRENT (mA) SUPPLY CURRENT (mA) I V OUT = 1mA OUT = 5V TJ = –55°C TO 125°C 0.01 0.01 1 5 10 15 20 25 1 0.1 0.2 0.3 0.4 0.5 0.6 REGULATOR INPUT-OUTPUT DIFFERENTIAL (V) REGULATOR INPUT-OUTPUT DIFFERENTIAL (V) 1120 G07 1120 G08
Reference Regulation Feedback Pin Current
4 40 3 35 2 30 TJ = –55°C 1 25 0 20 –1 15 TJ = 25°C –2 FEEDBACK CURRENT (nA) 10 T REFERENCE VOLTAGE CHANGE (mV) –3 5 J = 125°C –4 0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 0.1 1 10 100 1000 REFERENCE OUTPUT CURRENT (mA) REGULATOR OUTPUT CURRENT (mA) 1120 G11 1120 G09
Regulator Thermal Regulation LT1120 Turn-On Characteristic
0.1 5.5 VIN = 15V VOUT = 5V VOUT = 5V 5.0 0 4.5 CHANGE (%) NO LOAD RL = 500Ω OUTPUT VOLTAGE 4.0 –0.1 3.5 3.0 OUTPUT VOLTAGE (V) 50 2.5 2.0 OUTPUT RL = 50Ω CURRENT (mA) 0 0 0 20 40 60 80 100 120 140 160 180 0 1 2 3 4 5 6 7 8 TIME (ms) INPUT VOLTAGE (V) 1120 G12 1120 G13 1120fd 5