电流源

Analog Devices 的专用恒定电流源产品库提供了使用和设计的简易性;电压、电流和热保护功能;以及内置电流限制。恒定电流源可采用多个标准模拟构件来设计,包括运算放大器、LED 驱动器和电池充电器。
产品选型表

Current Sources

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SortOrderPart#Vin
(min)
(V)
Vin
(max)
(V)
Output Current RangeIsupply
(typ)
(A)
FeaturesCommentsUS Price 1000 to 4999
($ US)
Current Sources Initial Accuracy
(%)
1LTM8042-1 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)-
2LTM8042 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)-
3LT3083 1.2 23 1mA to 3A 350µ Current Source Reference Adjustable 3A Single Resistor Low Dropout Regulator $3.80 (LT3083EDF#PBF)-
4LT3092 1.2 40 0.5mA to 200mA 300µ Current Limiting, Reverse Current Protection, Reverse Voltage Protection, Thermal Protection 200mA Two-Terminal Programmable Current Source $1.65 (LT3092ETS8#TRPBF) 1
5LT3082 1.2 40 0.5mA to 200mA 300µ Current Source Reference 200mA Single Resistor Low Dropout Linear Regulator $1.40 (LT3082EDD#PBF)-
6LTM8040 4 36 35mA to 1000mA 2.6m Constant Current Constant Voltage, Programmable Output Current 36V, 1A µModule LED Driver $7.45 (LTM8040EV#PBF)-
7LT3085 1.2 36 0.5mA to 500mA 300µ Current Source Reference Adjustable 500mA Single Resistor Low Dropout Regulator $1.73 (LT3085EDCB#TRPBF) 1
8LT3080-1 1.2 36 0.5mA to 1100mA 300µ Current Source Reference Parallelable 1.1A Adjustable Single Resistor Low Dropout Regulator $1.88 (LT3080EDD-1#PBF) 1
9LT3080 1.2 36 0.5mA to 1000mA 300µ Current Source Reference Adjustable 1.1A Single Resistor Low Dropout Regulator $1.81 (LT3080EST#PBF) 1
10LM334S 800m 30 1uA to 10mA 280µ Reverse Current Protection Constant Current Source and Temperature Sensor $1.45 (LM334Z#PBF) 3