iC-HG QFN28-5x5

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3 A Laser Switch

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Article description

Product description

Six channel laser switch iC-HG enables the spike-free switching of laser diodes with well-defined current pulses at frequencies ranging from DC to 200 MHz.

The diode current is set by the voltages at pins CIx.

The switches are controlled via TTL/LVDS inputs.

Each channel can be operated at up to 500 mA CW and 1500 mA pulsed current, depending on the frequency, duty cycle and heat dissipation.

Features

Six channel laser switch from CW up to 200 MHz
CW operation with up to 500 mA per channel
Pulsed operation with up to 1.5 A per channel
Spike-free switching of the laser current
6 x 1 channels with TTL inputs
3 x 2 channels with LVDS inputs
Operates as six independent voltage-controlled current sinks
Outputs (LDKx) are 12 V capable for blue/green laser diodes
Fast and slow switching mode
Simple current control at pins CIx
CIx voltage < 3 V for full CW current
Wide supply voltage range from 3 to 5.5 V
All channels can be paralleled for up to 3 A CW and 9 A pulsed operation
Multiple iC-HG can be connected in parallel for higher currents
Open drain error output
Thermal shutdown

Applications

TOF camera lighting
Pump lasers
Laser projection
Laser TV
Data transmission