TDK 500A CHAPTER 1 INTRODUCTION

83-493-001 Rev. K

Control

Aux. Power

INPUT/POWER PFC / Fuses

Inrush Limit

High Freq.

Resonant

Inverter

Step-up

Transformer

HV Rect.

HV Filter

HV OUTPUT

CHAPTER 1 INTRODUCTION

1.1 DESCRIPTION

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. the102A 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. TDK-Lambda Americas Inc. 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/152A/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, and 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.

Figure 1-1 500A/102A/152A/202A Block Diagram