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EMD2160 - 300mA LASER Diode Driver

General Description

The EMD2160 is a LASER Diode (LD) driver with up to 300mA driving capability and 10kHz pulsed operation.

To prevent driving LD with improper large current, a current limit circuit is designed in.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ESMT Preliminary EMD2160 300mA LASER Diode Driver General Description The EMD2160 is a LASER Diode (LD) driver with up to 300mA driving capability and 10kHz pulsed operation. To prevent driving LD with improper large current, a current limit circuit is designed in. Once the protecting circuit is triggered 3 times, the main driver would be ceased and wake-up it again by re-power on. Feature „ Up to 300mA driving capability „ With selectable current limit „ With Under Voltage Protection The CL100 is designed for selecting current limit levels. When CL100=Low, the current limit level is set around 300mA. When CL100=VCC or Floating, the current limit is set around 100mA. Typical Application V ⎛ V ⎞ Vref_HP R = ⎜ or ⎟ PDo I ⎜⎝ I ⎟⎠ Monitor Vref_LP Monitor Fig.