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The Series 500A/102A/152A/202A are High Voltage Switching Power Supplies designed
specifically for charging capacitors in laser systems and other pulsed power applications. The
500A provides 500 J/s, the 102A is 1000 J/s, 152A is 1,500 J/s, and the 202A provides 2000 J/s
of average power and can be paralleled indefinitely for higher total system power. Lambda EMI
also offers the 402 Series, 802 Series, and 303 Series rated at 4,000, 8,000 and 30,000 J/s
respectively.
The 500A/102A/152/202A power supplies incorporate a new high-frequency IGBT parallel
resonant inverter topology for efficient generation of the output power. A high-performance
control module precisely regulates the output voltage, automatically compensating for line,
load, temperature, rep rate variations. Normal external fault conditions such as line dropout,
open or short circuit load, HV arc and over-temperature will not damage the unit. The latest
development in the parallel resonant inverter topology and control circuitry also drastically
improves pulse-to-pulse repeatability by reducing the ripple or "bucket effect" even at very high
pulse repetition frequencies. The output voltages of the 500A/102A/152A/202A supplies are
fully adjustable over each range.
Control
&
Aux. Power
INPUT/POWER
PFC / Fuses
Inrush Limit
High Freq.
Resonant
Inverter
Step-up
Transformer
HV Rect.
HV Filter
HV OUTPUT
Figure 1.1
500A/102A/152A/202A Block Diagram
83-493-001 Revision G
1 - 1 Introduction