1-kV power supply


Posted on Mar 2, 2013

Designing a high-voltage switching power supply that can produce a sustained arc can be challenging. This compact and efficient design delivers 1 kV at 20W and can withstand a continuous arcing, or short-circuit, condition (Figure 1). It uses standard, commercially available components. R1 sets the LTC1871 switching-regulator controller for a nominal operating frequency of 120 kHz.



The circuit operates as a discontinuous flyback structure, producing 333V across C1. The diode/capacitor charge-pump multiplier triples this voltage to create 1000V at the output. Figure 2 shows the switching waveforms. When the primary switch, Q1, is on,




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Tiny Tuned Loop Antennas
Touch-sensitive switch
Dynamo Frequency Monitor
Power cipher scheme on the basis of TMS320C6678 DSP
vlf
multivibrator
waterpump safety guard for fish
Electret Condenser Microphone (ECM) Preamplifier
13.8V 20A power supply
4-Bit Computer
Based on the LT3755 50W white LED headlight drive circuit diagram



Top