PSS1212-9

The PSS Series of positive switching regulators is designed as power supplies for electronic systems, where no input-to-output isolation is required. Their major advantages include a high level of efficiency, high reliability, low output ripple, and excellent dynamic response. Models with input voltages up to 144 V are specially designed for secondary switched and battery-driven mobile applications. The converters are suitable for railway applications according to EN 50155 and EN 50121.Two type of housings are available allowing operation up to 71 °C. They are designed for insertion into a 19" DIN-rack or for chassis mounting. Replacing the heat sink by an optional cooling plate, allows chassis or wall mounting on top of a metal surface, acting as heat sink.Various options are available to adapt the converter to different applications. Connector type: H15 or H15S4, depending on output current."

• Input voltage up to 144 VDC
• Single output of 3.3 to 48 VDC
• No input-to-output isolation
• High efficiency up to 97%
• Extremely wide input voltage range
• Low input-to-output differential voltage
• Very good dynamic properties
• Input under voltage lockout
• Active current sharing for parallel operation
• Output voltage adjustment, inhibit, and sense lines
• Continuously no-load and short-circuit proof
• All boards are coated with a protective lacquer