PARAMETERS

MODEL

VCS250

VCS500

VCS500

Current-Voltage Ratio

50mA/V

100mA/V

100mA/V

Maximum Output Current

250mA

500mA

500mA

Input Voltage Range

12~24V

Output Voltage

Supply Voltage-1

Current Noise Density

<0.9μA

Temperature Coefficient

<50ppm/°C

Leakage Current

2mA

Adjustment Rise/Fall Time

800/600ns

Modulation Depth

90%@1MHz

Bandwidth (3dB)

2MHz

Modulation Input Voltage

0~5V

Input Pin Impedance

10MΩ

Remote Enable Voltage Input

Output Enabled: High Level (>2V, I>5mA);  Output Disabled: Low Level (<2V)

Current Monitoring Coefficient

20V/A

10V/A

2V/A

Ambient Temperature

-20~60°C

-20~35°C

Ambient Humidity

0~98%RH

Thermal Requirements

No Additional Thermal Dissipation NeededWithin Rated Operating Range

Dimension

47.5*42.8*32.2mm

Weight

≈100g

Pin Name

Pin Type

Pin Definition

1

Enable

Input

The enable port: when at a low level, the laser current driver does not operate; when at a high level or floating, the laser current driver operates.

2

Monitor

Output

Actual current monitoring pin (0~5V)

3

Input

Input

Modulation Voltage Input Pin (0~5V)

4

GND

Input

Signal Ground Pin

5

Vref

Output

Reference Voltage Output Interface (0~5V)

6

Offset

Input

Current Bias Interface (0~5V)

7

Limit

Input

Current Limiting Interface (0~5V)

8

GND

Input

Signal Ground Pin

9

Vin

Input

Power Supply Positive Input Pin (12~24V)

10

GND

Output

Power Supply Negative Input Pin

11

Output+

Output

Positive Current Output

12

Output-

Output

Negative Current Output