Источники тока
Ассортимент специализированных источников постоянного тока компании Analog Devices обеспечивает простоту использования и разработки, защиту от превышения тока, напряжения и температуры, а также встроенные функции ограничения тока. Источники постоянного тока могут быть реализованы на основе ряда стандартных аналоговых компонентов, включая операционные усилители, драйверы светодиодов и зарядные устройства.
Таблица выбора продукта
Актуальные ресурсы по теме
Технические статьи
Current Sources
| SortOrder | Part# | Vin (min) (V) | Vin (max) (V) | Output Current Range | Isupply (typ) (A) | Features | Comments | Current Sources Initial Accuracy (%) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LTM8042-1 | 3 | 30 | 35mA to 350mA | 4.2m | Constant Current Constant Voltage, Soft Start, True Color PWM Dimming | uModule Multi-Topology 350mA CC/CV LED Driver or Current Source | - | $8.76 (LTM8042EV-1#PBF) |
| 2 | LTM8042 | 3 | 30 | 35mA to 1000mA | 4.2m | Constant Current Constant Voltage, Soft Start, True Color PWM Dimming | uModule Multi-Topology 1A CC/CV LED Driver or Current Source | - | $8.76 (LTM8042EV#PBF) |
| 3 | LT3083 | 1.2 | 23 | 1mA to 3A | 350µ | Current Source Reference | Adjustable 3A Single Resistor Low Dropout Regulator | - | $3.80 (LT3083EDF#PBF) |
| 4 | LT3092 | 1.2 | 40 | 0.5mA to 200mA | 300µ | Current Limiting, Reverse Current Protection, Reverse Input Protection, Thermal Protection | 200mA Two-Terminal Programmable Current Source | 1 | $1.65 (LT3092EDD#PBF) |
| 5 | LT3082 | 1.2 | 40 | 0.5mA to 200mA | 300µ | Current Source Reference | 200mA Single Resistor Low Dropout Linear Regulator | - | $1.40 (LT3082EDD#PBF) |
| 6 | LTM8040 | 4 | 36 | 35mA to 1000mA | 2.6m | Constant Current Constant Voltage, Output Current Limit | 36V, 1A µModule LED Driver | - | $7.45 (LTM8040EV#PBF) |
| 7 | LT3085 | 1.2 | 36 | 0.5mA to 500mA | 300µ | Current Source Reference | Adjustable 500mA Single Resistor Low Dropout Regulator | 1 | $1.73 (LT3085EDCB#TRPBF) |
| 8 | LT3080-1 | 1.2 | 36 | 0.5mA to 1100mA | 300µ | Current Source Reference | Parallelable 1.1A Adjustable Single Resistor Low Dropout Regulator | 1 | $1.88 (LT3080EDD-1#PBF) |
| 9 | LT3080 | 1.2 | 36 | 0.5mA to 1000mA | 300µ | Current Source Reference | Adjustable 1.1A Single Resistor Low Dropout Regulator | 1 | $1.81 (LT3080EST#PBF) |
| 10 | ADN8810 | 3 | 5.5 | 0mA to 300mA | 4m | Laser Driver | https://www.analog.com/media/en/technical-documentation/data-sheets/AD9867.pdf | - | $6.40 (ADN8810ACPZ) |
| 11 | LM334S | 800m | 30 | 1uA to 10mA | 280µ | Reverse Current Protection | Constant Current Source and Temperature Sensor | 3 | $1.45 (LM334S8#PBF) |
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