PA92EE Apex Microtechnology

PA92 RoHS High Voltage Power Operational Amplifiers COMPLIANT FEATURES High Voltage 400V (200V) Low Quiescent Current 10mA High Output Current 4A Programmable Current Limit APPLICATIONS Piezoelectric Positioning High Voltage Instrumentation Electrostatic Transducers Programmable Power Supplies up to 390V DESCRIPTION The PA92 is a high voltage, low quiescent current MOSFET operational amplifier designed as a low cost solution for driving continuous output currents up to 4A and pulse currents up to 7A. The safe operating area (SOA) has no second breakdown limitations and can be observed for all type loads by choosing an appropri- ate current limiting resistor. The MOSFET output stage is biased AB for linear operation. External compensa- tion provides flexibility in choosing bandwidth and slew rate for the application. Apex Microtechnologys Power SIP uses a minimum of board space allowing for high density circuit boards. The Power SIP is electri- cally isolated. Figure 1: Equivalent Schematic 12 11 +V S R1 R2 C1 R3 Q3 Q1 Q2 R4 Q4 Q6 5 I CL CC2 9 4 Q5 Q8 CC1 R7 10 Q14A Q14B Q11 1 6 R6 R5 IN OUT Q13 R8 R9 Q12 3 I Q17 Q 2 R10 +IN Q16 Q15 R11 R12 V S 7 8 Apex Microtechnology Inc. Oct 2020 www.apexanalog.com All rights reserved PA92U Rev VPA92 TYPICAL CONNECTION Figure 2: Typical Connection R F 100 k +V S * 100nF R C C C R F +V S V OUT CC1 + 1 k CC2 PA92 CL -V S R L R CL -V S *Bulk Bypass Capacitors. Use 10F per Amp of Output 100nF * Current. ** Connect in one point ** 2 PA92U Rev V