si3400 Silicon Laboratories, si3400 Datasheet - Page 6

• Manufacturer Part Number: si3400
• Description: Fully-integrated 802.3-compliant Pd Interface And Switching Regulator
• Manufacturer: Silicon Laboratories

Si3400/Si3401
Table 3. Absolute Maximum Ratings (Transient)
Transient surge defined in IEC60060 as a 1000 V impulse of either polarity applied across CT1–CT2 or SP1–SP2. The shape of
the impulse shall have a 300 ns full rise time and a 50 µs half fall time, with 201 Ω source impedance.
Table 4. Surge Immunity Ratings
6
Notes:
Notes:
ESD (System-Level) Air discharge (IEC 61000-4-2)
Telephony Voltage
1. Unless otherwise noted, all voltages referenced to VNEG. Permanent device damage may occur if the maximum
2. VPOS is equal to VPOSF and VPOSS tied together for test condition purposes.
1. Permanent device damage may occur if the maximum ratings are exceeded. Functional operation should be restricted
2. For more information regarding system-level surge tolerance, refer to “AN315: Robust Electrical Surge Immunity for
3. Designs must be compliant with the PCB layout and external component recommendations outlined in the Si3400/01
4. J. Deatherage and D. Jones, “Multiple Factors Trigger Cable Discharge Events in Ethernet LANs,” Electronic Design
Compatibility
ESD (CDM)
ESD (HBM)
ESD (MM)
ratings are exceeded. Functional operation should be restricted to those conditions specified in the operational sections
of this data sheet. Exposure to absolute maximum rating conditions for extended periods may adversely affect device
reliability.
to those conditions specified in the operational sections of this data sheet. Exposure to absolute maximum rating
conditions for extended periods may adversely affect device reliability.
PoE PDs through Integrated Protection”.
EVB User’s Guides and AN296.
Dec. 4, 2000.
Voltage
Current
CDE
Type
Type
4
CT1 to CT2
SP1 to SP2
VPOS
HSO
VSS1, VSS2, or VSSA
SWO
PLOSS to VPOS
RDET
CT1, CT2, SP1, SP2
VPOS
Cable discharge event tolerance
Contact discharge (IEC 61000-4-2)
JEDEC (JESD22-C101C)
JEDEC (JESD22-A114E)
JEDEC (JESD22-A115A)
IEEE 802.3, Clause 33.5.6
2
2
1,2,3
2
Description
Description
Preliminary Rev. 0.91
1
–16.5 to 16.5
–500 to 500
–100 to 100
–3.5 to 3.5
–0.7 to 80
–0.7 to 80
–0.7 to 80
–0.7 to 80
–80 to 0.7
–0.7 to 80
–82 to 82
–82 to 82
Rating
–5 to 5
–5 to 5
Rating
–8 to 8
–1 to 1
175
Unit
Unit
kV
kV
Vp
kV
kV
V
V
A
V