FLD-nano is a compact but powerful flashlamp driver (flash lamp power supply) designed for air-cooled flashlamps, flash lamp tubes, similar to the depicted below.

Driver charges an external capacitor bank up to required voltage and then, following an external TTL signal, initiates a discharge by applying a trigger pulse (400V by default) to a flashlamp. Recommended flash lamp tube circuit layout is shown below:

FLD-nano requires +24 V DC power supply and pulse generator to set an operating frequency.
An output voltage level can be programmed in working range by user either manually (through onboard configuration trimpot) or remotely (applying a DC voltage to the respective pin). The driver maximal output power could be decreased, if needed, by onboard trimpot.
Two different operating modes are possible:
- manual mode, when an output voltage level is regulated by onboard trimpot, flash lamp operating frequency could be either set automatically in autorun mode or regulated (by external pulse generator or by button);
- using a controlling device, when output voltage level is varied by applying a DC voltage to the respective pin. Other functions (Enable, TTL) are also could be controlled by this device, depending on user system layout.
HV output:
Max. voltage (VMAX)
Model dependent
900V or 1000V in standard models, other on request
Storage capacitor
External (not included)
for example, 33uF/1000V or other on customer’s choice
Flashlamp:
Flashlamp
External (not included)
for example, FG 1901 MTC3D(H) by Excelitas or similar
Triggering:
Triggering method
External only
Trigger capacitor
400V/470uF by default, other on request
Trigger transformer
External (not included)
for example, ZS1031-11(H) by Excelitas or similar
Pulse:
Pulse width
Not regulated, defined by flashlamp and wiring inductance only
Pulse repetition rate
From single shot and up to 20Hz
Environment:
Protections
From overheating
Door-interlock protection
Safety discharge resistor – 200kOhm
Cooling
Passive at small output power
Forced air cooling with external fan might be needed at full output power
Operation temperature
+10 … +40 °C, non-condensing
There are several standard modifications of the driver:
Maximum output voltage (VMAX) – 900V
Voltage program calibration – 5V : 900V
Trigger capacitor – 400V/470uF
HV Output – Molex MiniFit
Trigger – Molex MiniFit
Maximum output voltage (VMAX) – 900V
Voltage program calibration – 5V : 900V
Trigger capacitor – 400V/470uF
HV Output – flying leads
Trigger – flying leads
Maximum output voltage (VMAX) – 1000V
Voltage program calibration – 5V : 1000V
Trigger capacitor – 400V/470uF
HV Output – Molex MiniFit
Trigger – Molex MiniFit
Maximum output voltage (VMAX) – 1000V
Voltage program calibration – 5V : 1000V
Trigger capacitor – 400V/470uF
HV Output – flying leads
Trigger – flying leads
* Custom modifications are available on request