HIGH VOLTAGE POWER SUPPLY C11784 SERIES The C11784 series is a compact PC-board mountable high voltage power supply module, especially designed for photomultiplier tubes. The design of high current output can offer to drive multiple photomultiplier tubes. FEATURES GCompact and Light Weight GHigh Reliability GHigh Conversion Efficiency GHigh Voltage and Current Monitor Output SPECIFICATIONS Parameter Input Voltage with no load Typ. with full load Typ. 0 to +2000 Variable Output Voltage Range 0 to -2000 +320 to +2000 Specification Guaranteed Output Voltage Range -320 to -2000 Max. 5 Output Current ±0.01 Line Regulation Against ± 1.2 V Input Change AB Typ. Load Regulation Against 0 % to 100 % Typ. ±0.01 Load Change A 50 Typ. Ripple / Noise (p-p) AB Output Voltage Control By external controlling voltage (0 V to +5 V) or external potentiometer (50 kΩ) Controlling Voltage Input Impedance Typ. 640 Reference Voltage Output Typ. +5.3 Output Voltage Setting (Absolute Value) Typ. Controlling voltage × 400 Output Voltage Rise Time (0 % / 99 %) AB Typ. 150 Temperature Coefficient AB Typ. ±0.005 High Voltage Monitor Output 0 to +5 (Output impedance 10 kΩ) Current Monitor Output 0 to +5 (Output impedance 10 kΩ) ON / OFF Input TTL positive logic ON / OFF Input Impedance 30 Operating Ambient Temperature AB 0 to +50 Operating Ambient Humidity C Below 85 Storage Temperature -20 to +60 Storage Humidity C Below 85 Weight Typ. 100 Units protected against reversed power input, reversed / excessive controlling Protective Functions voltage input, continuous overloading / short circuit in output AAt maximum output voltage. BAt maximum output current. Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2014 Hamamatsu Photonics K.K.

HIGH VOLTAGE POWER SUPPLY C11784 SERIES Figure 1: Connection Diagrams GBy External Voltage TTL logic High: HV-ON TTL logic Low : HV-OFF * In the case of an open state at pin e, the module will have no high voltage output. If you don't use HV-ON / OFF function at pin e, you can make the module work by connecting a 10 kΩ resister between pin e and pin y. TTL logic High: HV-ON TTL logic Low : HV-OFF Figure 2: Output Voltage Controlling Characteristic C11784-12 -2400 PIN ASSIGNMENT q Vcc +24 V w Vcc GND e ON / OFF IN r Vcont GND t Vcont y Vref +5.3 V Typ. u CURRENT MONITOR OUT i HV MONITOR OUT o...