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PEP01-5841 Datasheet(PDF) 1 Page - STMicroelectronics |
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PEP01-5841 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 10 page  May 2009 Doc ID 15657 Rev 2 1/10 10 PEP01-5841 Power over ethernet power supply protection Features ■ Peak pulse power: up to 2.7 kW (8/20 µs) ■ Stand-off voltage: 58 V ■ 4 unidirectional Transils™ and 4 decoupling capacitances ■ Low clamping voltage: 100 V ■ Low leakage current: – 0.2 µA at 25 °C – 1 µA at 85 °C ■ Operating Tj max: 150 °C ■ JEDEC registered package outline Complies with the following standards ■ IEC61000-4-2 level 4 – 15 kV (air discharge) – 8 kV (contact discharge) ■ IEC61000-4-5 level 2 – +/- 1 kV 42 Ω ■ IEEE 802.3af-2003 ■ IEEE 802.3at-2008 Figure 1. Functional diagram Description The PEP01-5841 has been designed to protect power over ethernet PSE equipment against line overvoltages. It embeds 4 decoupling capacititors to stabilize power supplies. It is compatible with IEEE 802.3af-2003 and IEEE 802.3at-2008 requirements and it allows PoE based systems to be protected against both electrical overstress (EOS) and electrostatic discharges (ESD) according to IEC61000-4-5 and IEC61000-4-2. The low clamping voltage (100 V) makes it compatible with PMOS and PSE controller technologies. Developed in Planar technology, it provides high reliability level. Packaged in SO-8, this minimizes PCB consumption (footprint in accordance with the IPC 7531 standard). TM: Transil is a trademark of STMicroelectronics SO-8 package PEP01-5841 PS1 1 PS2 4 PS3 5 PS4 8 Gnd 2-3-6-7 --- www.st.com |
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