MP400FC IC and Eval Kit

Apex's high-voltage, high-speed power operational amplifier features onboard switch mode power supply

Image of Apex's MP400FC Power Op Amp and Evaluation KitMP400FC Power Op Amp

The MP400FC combines a high-voltage, high-speed precision power op amp with a supply voltage boost function in an integrated thermally conductive module. The voltage boost function uses a switch mode power supply (SMPS) to boost the input power supply voltage. This allows the user the benefits of using his standard 12 V or 24 V buss without the need to design a high voltage supply to power the op amp. The SMPS voltage is adjustable from 50 V to 350 V, allowing for op amp output voltages up to 340 V. External phase compensation provides the user with the flexibility to tailor gain, slew rate and bandwidth for a specific application. The unique design of this amplifier provides extremely high slew rates in pulse applications while maintaining low quiescent current.

Features Applications
  • Low cost and a wide common mode range
  • Standard supply voltage (single supply: 10 V to 50 V)
  • Output current: 150mA continuous
  • Output voltage: 50 V to 350 V
  • 350 V/µS slew rate and 200 kHz power bandwidth
  • Piezoelectric positioning and actuation
  • Electrostatic deflection
  • Deformable mirror actuators
  • Chemical and biological stimulators

EK65 Evaluation Kit for MP400FC

The EK65 Evaluation kit is designed to provide a convenient way to breadboard and evaluate design ideas for the MP400FC power operational amplifier. The evaluation board is pre-wired for all required external components. The evaluation board has been laid out and labeled to easily configure the high voltage operational amplifier in a noninverting differential configuration for single supply operation using the MP400FC boost supply (Refer to applications note 21). However, the evaluation board is flexible enough to analyze a multitude of standard or proprietary circuit configurations.

Kit Contents Schematic PCB Layout
  • 1 x heat sink (HS26)
  • 2 x strip of 30 cage jacks (MS11)
  • 1 x PC board (EVAL65)
  • 4 x hex standoff, 4-40x1/4 (93505A430)
  • 4 x screw, 4-40x3/16 (90272A105)
  • 6 x banana jack, PC (571-0100)
  • 1 x BNC, PC mount (146510CJ)
  • 1 x Cap. 1 µF, 500 V Novacap ST2225B105K501LLXW (ZX7R105KTL)
  • 1 x Cap. 120 µF, 400 V (EKMQ401VSN121MP30S)
  • 1 x Trim Pot, 20 K (T93YA203KT20)
Image of Apex's MP400FC Power Op Amp Schematic
Click image to view larger version
Image of Apex's MP400FC Power Op Amp PCB Layout
Click image to view larger version

Support Components

The HS26 heatsink is mechanically compatible with this amplifier. The thermal rating for the HS26 with optimum mounting in free air is 0.5°C/W. Forced air at 150LFPM will reduce thermal resistance to 0.37°C/W while an air flow of 500LFPM will further reduce thermal resistance to 0.2°C/W.

The MS11 Cage Jack consists of a carrier strip of 30 cage jacks. The strip can easily be cut to any desired number of cage jacks. These are mounted directly in a printed circuit board. After soldering, the carrier is pulled off the cage jacks. Use a spacer between the PCB and the heatsink to avoid short circuits.

MP400FC Power Op Amp

ImageManufacturer Part NumberDescriptionAvailable Quantity
MP400FC datasheet linkIC OPAMP POWER 1MHZ 42DIPMP400FCIC OPAMP POWER 1MHZ 42DIP15 - Immediate
MP400FC product page link

EK65 Evaluation Kit for MP400FC

ImageManufacturer Part NumberDescriptionAvailable Quantity
EK65 datasheet linkKIT EVALUATION FOR MP400FCEK65KIT EVALUATION FOR MP400FC0EK65 product page link

Support Components

ImageManufacturer Part NumberDescriptionAvailable Quantity
HS26 datasheet linkHEATSINK OPEN FRAME 0.5C/WHS26HEATSINK OPEN FRAME 0.5C/W12 - Immediate
HS26 product page link
MS11 datasheet linkPIN RECEPT .025-.037DIA 30/STRIPMS11PIN RECEPT .025-.037DIA 30/STRIP85 - Immediate
MS11 product page link
Published: 2012-11-09