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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The LM334DT is a 3-terminal adjustable Current Source characterized by an operating current range of 10000: 1 an excellent current regulation wide dynamic voltage range of 1 to 10V. The current is determined by an external resistor without requiring other external components. Reverse voltage of up to 20V will only draw a current of several microamperes. This enables the circuit to operate as a rectifier and as a source of current in AC applications. For the LM334, the voltage on the control pin is 64mV at +25°C and is directly proportional to the absolute temperature (°K). The simplest external resistor connection generates a current with approximately 0.33%/°C temperature dependence. Zero drift can be obtained by adding an additional resistor and a diode to the external circuit.
Operates from 1 to 40V
Programmable from 1µA to 10mA
0.02%/V current regulation
±3% Initial accuracy

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LM334DT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	1.00V (min)
Number of Outputs	1 Output
Output Current	10 mA
Forward Voltage	30 V
Power Dissipation	400 mW
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	400 mW
Accuracy	±3 %
Input Voltage	1V ~ 40V
	Show
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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