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MV036F022M055 bảng dữ liệu(PDF) 6 Page - Vicor Corporation |
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MV036F022M055 bảng dữ liệu(HTML) 6 Page - Vicor Corporation |
6 / 10 page MIL-COTS Chip Transformer Rev 2.9 vicorpower.com Page 6 of 10 01/2014 800 927.9474 End of Life - Please see First Page MV036 SERIES +In / -In DC Voltage Ports The VTM® input should be connected to the PRM® output terminals. Given that both the PRM and VTM have high switching frequencies, it is often good practice to use a series inductor to limit high frequency currents between the PRM output and VTM input capacitors. The input voltage should not exceed the maximum specified. If the input voltage exceeds the overvoltage turn-off, the VTM will shutdown. The VTM does not have internal input reverse polarity protection. Adding a properly sized diode in series with the positive input or a fused reverse- shunt diode will provide reverse polarity protection. TM – For Factory Use Only VC – VTM Control The VC port is multiplexed. It receives the initial VCC voltage from an upstream PRM, synchronizing the output rise of the VTM with the output rise of the PRM. Additionally, the VC port provides feedback to the PRM to compensate for the VTM output resistance. In typical applications using VTMs powered from PRMs, the PRM’s VC port should be connected to the VTM VC port. The VC port is not intended to be used to supply V CC voltage to the VTM for extended periods of time. If VC is being supplied from a source other than the PRM, the voltage should be removed after 20 ms. PC – Primary Control The Primary Control (PC) port is a multifunction port for controlling the VTM as follows: Disable – If PC is left floating, the VTM output is enabled. To disable the output, the PC port must be pulled lower than 2.4 V, referenced to -In. Optocouplers, open collector transistors or relays can be used to control the PC port. Once disabled, 14 V must be re-applied to the VC port to restart the VTM. Primary Auxiliary Supply – The PC port can source up to 2.4 mA at 5 Vdc. +Out / -Out DC Voltage Output Ports The output and output return are through two sets of contact locations. The respective +Out and –Out groups must be connected in parallel with as low an interconnect resistance as possible. To take full advantage of the VTM, the user should note the low output impedance of the device. The low output impedance provides fast transient response without the need for bulk POL capacitance. Limited- life electrolytic capacitors required with conventional converters can be reduced or even eliminated, saving cost and valuable board real estate. -In PC VC TM +In -Out +Out -Out +Out Bottom View A B C D E F G H J K L M N P R T 4 3 2 1 A B C D E H J K L M N P R T Figure 9 — VTM pin configuration Signal Name Pin Designation +In A1-E1, A2-E2 –In L1-T1, L2-T2 TM H1, H2 VC J1, J2 PC K1, K2 +Out A3-D3, A4-D4, J3-M3, J4-M4 –Out E3-H3, E4-H4, N3-T3, N4-T4 |
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Mô tả tương tự - MV036F022M055 |
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