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参数资料
| 型号： | PEP01-5841 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | ROHS COMPLIANT, SOP-8 |
| 文件页数： | 1/10页 |
| 文件大小： | 256K |
| 代理商： | PEP01-5841 |
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 s)
■ Stand-off voltage: 58 V
■ 4 unidirectional Transils and 4 decoupling
capacitances
■ Low clamping voltage: 100 V
■ Low leakage current:
– 0.2 A at 25 °C
– 1 A 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
---
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