Datasheet LT1120 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Micropower Regulator with Comparator and Shutdown |
| 页数 / 页 | 12 / 4 — ELECTRICAL CHARACTERISTICS. The |
| 文件格式/大小 | PDF / 138 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The
该数据表的模型线
文件文字版本
LT1120
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. PARAMETER CONDITIONS MIN TYP MAX UNITS Comparator
Offset Voltage ● 10 mV Bias Current VIN = 36V (Note 2) ● 15 60 nA Gain ΔVOUT = 29V, RL = 20k ● 1000 V/V Output Sink Current VIN = 4.5V (Note 3) ● 5 10 mA Leakage Current VIN = 36V ● 8 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 2:
TA > 85°C, I bias maximum is 100nA. may cause permanent damage to the device. Exposure to any Absolute
Note 3:
For TA ≤ – 40°C output current sink drops to 2.5mA. Maximum Rating condition for extended periods may affect device reliability and lifetime.
W U TYPICAL PERFOR A CE CHARACTERISTICS Regulator Load Regulation Supply Current Regulator Short-Circuit Current
0.3 100 350 TJ = –55°C TJ = –55°C TO 125°C 300 0.2 TJ = 25°C 10 250 0.1 200 0 1 T 150 J = 125°C –0.1 SUPPLY CURRENT (mA) 100 0.1 OUTPUT VOLTAGE CHANGE (%) –0.2 SHORT-CIRCUIT CURRENT (mA) CURRENT LIMIT TIED TO GROUND 50 PRELOAD = 100μA –0.3 0.01 0 0.1 1 10 100 1000 0.1 1 10 100 1000 –50 –10 30 70 110 150 OUTPUT CURRENT (mA) REGULATOR OUTPUT CURRENT (mA) TEMPERATURE (°C) 1120 G01 1120 G02 1120 G03
Dropout Voltage Regulator Minimum Load Current Regulator Ripple Rejection
1 100 70 ΔVOUT = 100mV 65 μA) IOUT = 100mA 60 55 IOUT = 10mA 0.1 10 50 IOUT = 1mA 45 RIPPLE REJECTION (dB) 40 VIN = 10VDC, 1VP–P MINIMUM LOAD CURRENT ( V 35 OUT = 5V COUT = 10μF REGULATOR INPUT-OUTPUT DIFFERENTIAL (V) 0.01 1 30 0.1 1 10 100 1000 70 80 90 100 110 120 130 140 150 10 100 1k 10k 100k REGULATOR OUTPUT CURRENT (mA) TEMPERATURE (°C) RIPPLE FREQUENCY (Hz) 1120 G04 1120 G06 1120 G05 1120fd 4
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. PARAMETER CONDITIONS MIN TYP MAX UNITS Comparator
Offset Voltage ● 10 mV Bias Current VIN = 36V (Note 2) ● 15 60 nA Gain ΔVOUT = 29V, RL = 20k ● 1000 V/V Output Sink Current VIN = 4.5V (Note 3) ● 5 10 mA Leakage Current VIN = 36V ● 8 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 2:
TA > 85°C, I bias maximum is 100nA. may cause permanent damage to the device. Exposure to any Absolute
Note 3:
For TA ≤ – 40°C output current sink drops to 2.5mA. Maximum Rating condition for extended periods may affect device reliability and lifetime.
W U TYPICAL PERFOR A CE CHARACTERISTICS Regulator Load Regulation Supply Current Regulator Short-Circuit Current
0.3 100 350 TJ = –55°C TJ = –55°C TO 125°C 300 0.2 TJ = 25°C 10 250 0.1 200 0 1 T 150 J = 125°C –0.1 SUPPLY CURRENT (mA) 100 0.1 OUTPUT VOLTAGE CHANGE (%) –0.2 SHORT-CIRCUIT CURRENT (mA) CURRENT LIMIT TIED TO GROUND 50 PRELOAD = 100μA –0.3 0.01 0 0.1 1 10 100 1000 0.1 1 10 100 1000 –50 –10 30 70 110 150 OUTPUT CURRENT (mA) REGULATOR OUTPUT CURRENT (mA) TEMPERATURE (°C) 1120 G01 1120 G02 1120 G03
Dropout Voltage Regulator Minimum Load Current Regulator Ripple Rejection
1 100 70 ΔVOUT = 100mV 65 μA) IOUT = 100mA 60 55 IOUT = 10mA 0.1 10 50 IOUT = 1mA 45 RIPPLE REJECTION (dB) 40 VIN = 10VDC, 1VP–P MINIMUM LOAD CURRENT ( V 35 OUT = 5V COUT = 10μF REGULATOR INPUT-OUTPUT DIFFERENTIAL (V) 0.01 1 30 0.1 1 10 100 1000 70 80 90 100 110 120 130 140 150 10 100 1k 10k 100k REGULATOR OUTPUT CURRENT (mA) TEMPERATURE (°C) RIPPLE FREQUENCY (Hz) 1120 G04 1120 G06 1120 G05 1120fd 4