PA22

PA22 RoHS High Voltage Power Operational Amplifiers COMPLIANT FEATURES Up to 110 V Power Supply 12 A Continuous Output Current, Typical o 250 W Continuous Power Dissipation at T = 25 C C 4 MHz Gain Bandwidth Product APPLICATIONS Programmable Voltage or Current Sources Piezo Electric Positioning Deformable Mirror Focus Electrostatic Transducers DESCRIPTION The PA22 linear power operational amplifier is specifically designed for high pulse current applications. With its peak current capability of 13.6 A and internal power dissipation of 250 W, this amplifier offers power density yet unseen in SIP form-factors. Its novel design allows for easy and reliable connection to a heatsink, as well as strong performance even when socketed. This amplifier is equipped with temperature sensing and current limit. Apex Microtechnology Inc. Oct 2020 www.apexanalog.com All rights reserved PA22 Rev CPA22 Figure 1: Equivalent Schematic +V 14 S TMPH 13 R6 R7 15 +V R8 S Q1 Q2 6 NC 5 NC M6 R41 D3 M3 3 C 1 C 4 C 2 C M1 M2 10 I LIM D1 Current 11 I LIM Limit + Control R1 - 1 -IN J1-A J1-B R4 R3 7 OUT R2 R51 2 +IN M5 8 -V S 12 TMPL -V 9 S TYPICAL CONNECTION Figure 2: Typical Connection R F +V S *Use 10F - D per Amp of 1F output LTC2997 current + D +V s R LIM +V s R TMPL I -IN TMPH + V I OUT LIM I LIM PA22 OUT - C C2 C R C1 L +IN -V s -V s C C *Use 10F per Amp of 1F output current -V S PA22 REV C 2