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PT4314C Datasheet(PDF) 2 Page - Texas Instruments |
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PT4314C Datasheet(HTML) 2 Page - Texas Instruments |
2 / 9 page For technical support or further information,visit http://power.ti.com Environmental Specifications PT4310 Series Characteristic Symbol Conditions Min Typ Max Units Operating Temperature Range Ta Over Vin range –40 — +85 (i) °C Solder Reflow Temperature Treflow Surface temperature of module, case or pins — — 215 °C Storage Temperature Ts — –40 — +125 °C Reliability MTBF Per Bellcore TR-332 4.0 — — 106 Hrs 50% stress, Ta =40°C, ground benign Mechanical Shock — Per Mil-Std-883D, method 2002.3, — 500 — G’s 1 mS, half-sine, mounted to a fixture Mechanical Vibration — Per Mil-Std-883D, method 2007.2, — 20 — G’s 20-2000 Hz, soldered in a PC board Weight — — — 10 — grams Flammability — Materials meet UL 94V-0 Notes: (i) See Safe Operating Area curves or contact the factory for the appropriate derating. (ii) During solder reflow of SMD package version, do not elevate the module, case, pins, or internal component temperatures above a peak of 215°C. For further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products,” (SLTA051). Pin Descriptions +Vin: The positive input supply for the module with respect to –Vin. When powering the module from a –48-V telecom central office supply, this input is connected to the primary system ground. –Vin: The negative input supply for the module, and the 0-VDC reference for the ‘Remote On/Off’ and ‘±Vo Adjust’ control inputs. When the module is powered from a +48-V supply, this input is connected to the input source return. Remote On/Off: This is an open-collector (open-drain) negative logic input that enables the module output. The input is referenced to –Vin. Applying a low-level ground signal to this pin disables the module’s outputs. A high impedance enables the module’s outputs. If not used the pin should be left unconnected. Vo1: The positive regulated power output voltage, which is referenced to the COM node. Vo2: The negative regulated power output voltage, which is referenced to the COM node. COM: The secondary return reference for the module’s two regulated output voltages. It is dc isolated from the +Vin and –Vin input supply pins. ±Vo Adjust: Using a single resistor, this pin allows the module’s complementary output voltages to be adjusted higher or lower than their preset value. If not used, this pin should be left open circuit. Consult the related appli- cation note for further information. PT4310 Series —48V 6-W Low-Profile Dual-Output Isolated DC/DC Converter SLTS146B - MARCH 2001 - REVISED MAY 2004 |
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