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Keysight Technologies E3644A

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DC Power Supply; 8V, 8A or 20V, 4A, 80W

Model

E3644A

Product Family

Power Supplies / Electronic Loads

Manufacturer

Keysight Technologies

Configured models contain the following attributes:

Power Supplies / Electronic LoadsDC Power Supplies <50V20V14A80W

Configurations

Key Specs

Product Overview

Resources

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Key Specs

Indicates attributes available at part level. See Configurations tab for part detail.

Attribute	Value
Maximum Voltage	20V
Channel/Port Count	1
Maximum Current	4A
Maximum Power	80W

Product Overview

The E3640A Series bench power supply gives you outputs from 30 W to 100 W of power along with dual range flexibility. Each output has a low and high voltage range. The low voltage range allows the power supply to output more current. The series also has models with one and two outputs – tracking is turned on or off to allow the two outputs to operate independently or work as a pair.

The E3644A 80 W bench power supply has dual-range flexibility with a low and high voltage range. The low-voltage range allows the power supply to output more current. The E3640 Series has models with single and dual outputs—automate tests with GPIB or RS232.

Key Features

Low output noise with ripple and noise < 500 µVrms

Stable output, load regulation < 0.01%

Meter accuracy better than 0.05%

Store and recall up to five different operating states

Highly visible vacuum fluorescent display

One or two channels

Connectivity: RS232 and GPIB

Specifications
E3644A Power Supply
Feature	Parameter
Output Ratings (@ 0°C to 40°C)	Range 1: 0 to 8 V / 8 A Range 2: 0 to 20 V / 4 A
Programming Accuracy (@ 25°C ±5°C), ±(% output + offset)	Voltage: <0.05% + 10 mV (<0.1% + 25 mV for output 2 of E3646/47/48/49A) Current: <0.2% + 10 mA
Ripple & Noise (20 Hz to 20 MHz)	Normal Mode Voltage: <5 mVpp / 0.5 mVrms Normal Mode Current: <4 mArms
Readback Accuracy (@ 25°C ±5°C), ±(% output + offset)	Voltage: <0.05% + 5 mV (<0.1% + 25 mV for output 2 of E3646/47/48/49A) Current: <0.15% + 5 mA (<0.15% + 10 mA for output 2 of E3646/47/48/49A)

Specifications
E3640 Series Bench Power Supply
Model Overview
Model Number	E3640A	E3641A	E3642A	E3643A	E3644A	E3645A
Maximum Power	30 W	30 W	50 W	50 W	80 W	80 W
Number of Outputs	1	1	1	1	1	1
DC Output Rating (@ 0 ºC to 40 ºC)	0 to 8 V/3 A or 0 to 20 V/1.5 A	0 to 35 V/0.8 A or 0 to 60 V/0.5 A	0 to 8 V/5 A or 0 to 20 V/2.5 A	0 to 35 V/1.4 A or 0 to 60 V/0.8 A	0 to 8 V/8 A or 0 to 20 V/4 A	0 to 35 V/2.2 A or 0 to 60 V/1.3 A
Net Weight	5.3 kg	5.2 kg	6.3 kg	6.2 kg	6.6 kg	6.7 kg
Dimensions (without bumper)	212.6 mm (W) 88.5 mm (H) 348.3 mm (D)	212.6 mm (W) 88.5 mm (H) 348.3 mm (D)	212.6 mm (W) 88.5 mm (H) 348.3 mm (D)	212.6 mm (W) 88.5 mm (H) 348.3 mm (D)	212.6 mm (W) 88.5 mm (H) 348.3 mm (D)	212.6 mm (W) 88.5 mm (H) 348.3 mm (D)

Specifications
E3640 Series Bench Power Supply
Model Overview
Model Number	E3646A	E3647A	E3648A	E3649A
Maximum Power	60 W	60 W	100 W	100 W
Number of Outputs	2	2	2	2
DC Output Rating (@ 0 ºC to 40 ºC)	Two 0 to 8 V/3 A or 0 to 20 V/1.5 A	Two 0 to 35 V/0.8 A or 0 to 60 V/0.5 A	Two 0 to 8 V/5 A or 0 to 20 V/2.5 A	Two 0 to 35 V/1.4 A or 0 to 60 V/0.8 A
Net Weight	8.2 kg	8.0 kg	9.2 kg	9.1 kg
Dimensions (without bumper)	212.8 mm (W) 133.0 mm (H) 348.3 mm (D)	212.8 mm (W) 133.0 mm (H) 348.3 mm (D)	212.8 mm (W) 133.0 mm (H) 348.3 mm (D)	212.8 mm (W) 133.0 mm (H) 348.3 mm (D)

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