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

电流源

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SortOrderPart#Vin
(min)
(V)
Vin
(max)
(V)
Output Current RangeIsupply
(typ)
(A)
FeaturesCommentsCurrent Sources Initial Accuracy
(%)
Price (1000+)
($ US)
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 Input Protection, Thermal Protection 200mA Two-Terminal Programmable Current Source 1 $1.65 (LT3092EDD#PBF)
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, Output Current Limit 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 $1.73 (LT3085EDCB#TRPBF)
8LT3080-1 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)
9LT3080 1.2 36 0.5mA to 1000mA 300µ Current Source Reference Adjustable 1.1A Single Resistor Low Dropout Regulator 1 $1.81 (LT3080EST#PBF)
10ADN8810Reference Circuit Available 3 5.5 0mA to 300mA 4m Laser Driver https://www.analog.com/media/en/technical-documentation/data-sheets/AD9867.pdf- $6.40 (ADN8810ACPZ)
11LM334S 800m 30 1uA to 10mA 280µ Reverse Current Protection Constant Current Source and Temperature Sensor 3 $1.45 (LM334S8#PBF)