THORLABS MLD203CHB Laser Diode Drivers for OEMs

Operating Mode: Constant Current

Laser Pin Codes: All (A through H)

Supply Voltage: 4.5 V to 5.5 V

Laser Current

Current Range: 0 mA to 200 mA

Compliance Voltage: 3.0 V (Max) (For 5 V Supply Voltage)

Accuracy: ±(2% + 1 mA) [Typical] (Full Scale; After 10 Minute Warm-Up)

Repeatability: ±0.1% (Full Scale)

Noise: 12 µA (RMS) (10 Hz to 10 MHz; Measured with a 10 Ω Resistor)

Drift: 20 µA (30 Minutes, 0 to 10 Hz, Tamb = 25 °C

Temperature Coefficient: 100 ppm/°C

Laser Current Setpoint and Modulation

Input Impedance: 1 MΩ

Input Voltage Range: 0 V to 2.5 V

Input Voltage Offset: 90 mV (Typical)

Modulation Bandwidth: DC to 100 kHz (3 dB; Measured with a 10 Ω Resistor)

Modulation Coefficient: 80 mA/V ± 5%

Laser Current Reference Output

Laser Current Coefficient: 1 mV/mA (For 1 Ω Resistor in Series)

Measurement Accuracy: 1% (For ≥10 kΩ Load)

Physical Data

Operating Temperature: -20°C to +70°C (Non-Condensing)

Storage Temperature: -40°C to +100°C (Non-Condensing)

Warm-Up Time for Rated Accuracy: 10 Minutes

Dimensions of SMT Package: 17.0 mm × 10.0 mm × 2.8 mm

Dimensions of Daughterboard with SMT Package: 38.0 mm × 19.0 mm × 12.9 mm (MLD203CHBE and MLD203CLNE Only)

Weight: 1.0 g

All technical data are valid at 23 ± 5°C and 45 ± 15% relative humidity (non-condensing).

DATA SHEET: