Datasheet LT3014B (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 20mA, 3V to 80V Low Dropout Micropower Linear Regulator |
| 页数 / 页 | 16 / 4 — ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply … |
| 文件格式/大小 | PDF / 223 Kb |
| 文件语言 | 英语 |
ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply over the full operating
该数据表的模型线
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文件文字版本
LT3014B
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C. SYMBOL CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ILOAD = 20mA l 3 3.3 V ADJ Pin Voltage VIN = 3.3V, ILOAD = 100µA 1.200 1.220 1.240 V (Notes 2, 3) 3.3V < VIN < 80V, 100µA < ILOAD < 20mA l 1.180 1.220 1.260 V Line Regulation DVIN = 3.3V to 80V, ILOAD = 100µA (Note 2) l 1 10 mV Load Regulation VIN = 3.3V, DILOAD = 100µA to 20mA (Note 2) 13 25 mV VIN = 3.3V, DILOAD = 100µA to 20mA l 40 mV Dropout Voltage ILOAD = 100µA 120 180 mV VIN = VOUT(NOMINAL) (Notes 4, 5) ILOAD = 100µA l 250 mV ILOAD = 1mA 200 270 mV ILOAD = 1mA l 360 mV ILOAD = 10mA 300 350 mV ILOAD = 10mA l 450 mV ILOAD = 20mA 350 410 mV ILOAD = 20mA l 570 mV GND Pin Current ILOAD = 0mA l 7 20 µA VIN = VOUT(NOMINAL) (Notes 4, 6) ILOAD = 100µA l 12 30 µA ILOAD = 1mA l 40 100 µA ILOAD = 10mA l 250 450 µA ILOAD = 20mA l 650 1000 µA Output Voltage Noise COUT = 0.47µF, ILOAD = 20mA, BW = 10Hz to 100kHz 115 µVRMS ADJ Pin Bias Current (Note 7) 4 10 nA Ripple Rejection VIN = 7V (Avg), VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, ILOAD = 20mA 60 70 dB Current Limit VIN = 7V, VOUT = 0V 70 mA VIN = 3.3V, DVOUT = –0.1V (Note 2) l 25 mA Input Reverse Leakage Current VIN = –80V, VOUT = 0V l 6 mA Reverse Output Current (Note 8) VOUT = 1.22V, VIN < 1.22V (Note 2) 2 4 µA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
GND pin current is tested with VIN = VOUT (nominal) and a current may cause permanent damage to the device. Exposure to any Absolute source load. This means the device is tested while operating in its dropout Maximum Rating condition for extended periods may affect device region. This is the worst-case GND pin current. The GND pin current reliability and lifetime. decreases slightly at higher input voltages.
Note 2:
The LT3014B is tested and specified for these conditions with the
Note 7:
ADJ pin bias current flows into the ADJ pin. ADJ pin connected to the OUT pin.
Note 8:
Reverse output current is tested with the IN pin grounded and the
Note 3:
Operating conditions are limited by maximum junction OUT pin forced to the rated output voltage. This current flows into the OUT temperature. The regulated output voltage specification will not apply pin and out of the GND pin. for all possible combinations of input voltage and output current. When
Note 9:
The LT3014B is tested and specified under pulse load conditions operating at maximum input voltage, the output current range must be such that TJ @ TA. The LT3014BE is 100% tested at TA = 25°C. limited. When operating at maximum output current, the input voltage Performance at –40°C to 125°C is assured by design, characterization, range must be limited. and statistical process controls. The LT3014BI is guaranteed over the full
Note 4:
To satisfy requirements for minimum input voltage, the LT3014B –40°C to 125°C operating junction temperature range. The LT3014BMP is is tested and specified for these conditions with an external resistor 100% tested and guaranteed over the –55°C to 125°C operating junction divider (249k bottom, 392k top) for an output voltage of 3.3V. The external temperature range. resistor divider adds a 5µA DC load on the output.
Note 10:
This IC includes overtemperature protection that is intended
Note 5:
Dropout voltage is the minimum input to output voltage differential to protect the device during momentary overload conditions. Junction needed to maintain regulation at a specified output current. In dropout, the temperature will exceed 125°C when overtemperature protection is active. output voltage is equal to (VIN – VDROPOUT). Continuous operation above the specified maximum operating junction temperature may impair device reliability. 3014bfb 4 For more information www.linear.com/LT3014B Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TJ = 25°C. SYMBOL CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage ILOAD = 20mA l 3 3.3 V ADJ Pin Voltage VIN = 3.3V, ILOAD = 100µA 1.200 1.220 1.240 V (Notes 2, 3) 3.3V < VIN < 80V, 100µA < ILOAD < 20mA l 1.180 1.220 1.260 V Line Regulation DVIN = 3.3V to 80V, ILOAD = 100µA (Note 2) l 1 10 mV Load Regulation VIN = 3.3V, DILOAD = 100µA to 20mA (Note 2) 13 25 mV VIN = 3.3V, DILOAD = 100µA to 20mA l 40 mV Dropout Voltage ILOAD = 100µA 120 180 mV VIN = VOUT(NOMINAL) (Notes 4, 5) ILOAD = 100µA l 250 mV ILOAD = 1mA 200 270 mV ILOAD = 1mA l 360 mV ILOAD = 10mA 300 350 mV ILOAD = 10mA l 450 mV ILOAD = 20mA 350 410 mV ILOAD = 20mA l 570 mV GND Pin Current ILOAD = 0mA l 7 20 µA VIN = VOUT(NOMINAL) (Notes 4, 6) ILOAD = 100µA l 12 30 µA ILOAD = 1mA l 40 100 µA ILOAD = 10mA l 250 450 µA ILOAD = 20mA l 650 1000 µA Output Voltage Noise COUT = 0.47µF, ILOAD = 20mA, BW = 10Hz to 100kHz 115 µVRMS ADJ Pin Bias Current (Note 7) 4 10 nA Ripple Rejection VIN = 7V (Avg), VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, ILOAD = 20mA 60 70 dB Current Limit VIN = 7V, VOUT = 0V 70 mA VIN = 3.3V, DVOUT = –0.1V (Note 2) l 25 mA Input Reverse Leakage Current VIN = –80V, VOUT = 0V l 6 mA Reverse Output Current (Note 8) VOUT = 1.22V, VIN < 1.22V (Note 2) 2 4 µA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
GND pin current is tested with VIN = VOUT (nominal) and a current may cause permanent damage to the device. Exposure to any Absolute source load. This means the device is tested while operating in its dropout Maximum Rating condition for extended periods may affect device region. This is the worst-case GND pin current. The GND pin current reliability and lifetime. decreases slightly at higher input voltages.
Note 2:
The LT3014B is tested and specified for these conditions with the
Note 7:
ADJ pin bias current flows into the ADJ pin. ADJ pin connected to the OUT pin.
Note 8:
Reverse output current is tested with the IN pin grounded and the
Note 3:
Operating conditions are limited by maximum junction OUT pin forced to the rated output voltage. This current flows into the OUT temperature. The regulated output voltage specification will not apply pin and out of the GND pin. for all possible combinations of input voltage and output current. When
Note 9:
The LT3014B is tested and specified under pulse load conditions operating at maximum input voltage, the output current range must be such that TJ @ TA. The LT3014BE is 100% tested at TA = 25°C. limited. When operating at maximum output current, the input voltage Performance at –40°C to 125°C is assured by design, characterization, range must be limited. and statistical process controls. The LT3014BI is guaranteed over the full
Note 4:
To satisfy requirements for minimum input voltage, the LT3014B –40°C to 125°C operating junction temperature range. The LT3014BMP is is tested and specified for these conditions with an external resistor 100% tested and guaranteed over the –55°C to 125°C operating junction divider (249k bottom, 392k top) for an output voltage of 3.3V. The external temperature range. resistor divider adds a 5µA DC load on the output.
Note 10:
This IC includes overtemperature protection that is intended
Note 5:
Dropout voltage is the minimum input to output voltage differential to protect the device during momentary overload conditions. Junction needed to maintain regulation at a specified output current. In dropout, the temperature will exceed 125°C when overtemperature protection is active. output voltage is equal to (VIN – VDROPOUT). Continuous operation above the specified maximum operating junction temperature may impair device reliability. 3014bfb 4 For more information www.linear.com/LT3014B Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information