
V1.0 Dec 2006
Data Sheet
Ag8100
Power-Over-Ethernet Module
10. Electrical Characteristics
10.1. Absolute Maximum Ratings*
Parameter
Symbol
Min
Max
Units
1
DC Supply Voltage
V
CC
-0.3
60
V
2
DC Supply Voltage Surge for 1ms
V
SURGE
-0.6
80
V
3
Storage Temperature
T
S
-40
+100
O
C
*Exceeding the above ratings may cause permanent damage to the product. Functional operation under these conditions is not implied.
Maximum ratings assume free airflow.
10.2. Recommended Operating Conditions
Parameter
Symbol
Min
Typ
Max
Units
1 Input Supply Voltage
V
IN
36
48
57
V
2
Under Voltage Lockout
V
LOCK
30
V
3
Operating Temperature
T
OP
-10
25
70
Ta /
O
C
See Section 8. Operating Temperature Range
10.3. DC Electrical Characteristics*
DC Characteristic
Sym
Min
Typ*
Max
Units
Test
Comments
Ag8103
Ag8105
Ag8112
Ag8103
Ag8105
Ag8112
Ag8103
Ag8105
Ag8112
Ag8103
Ag8105
Ag8112
Ag8103
Ag8105
Ag8112
for specified
regulation
Continuous @
50
O
C, V
IN
=48V
Ag8103
Ag8105
Ag8112
1
Output Voltage
V
OUT
2.5
4.5
7.5
3.3
5.0
12
4.5
7.5
14
1.6
1.4
1.0
V
V
V
A
A
A
%
%
%
%
%
%
2
Output Current (V
IN
= 48V)
I
OUT
3
Line Regulation V
IN
= 36V to
57V @ max load**
V
LINE
1.0
0.8
0.4
4.5
2.6
1.0
90
150
64
4
Load Regulation min to max
load (V
IN
= 48V)**
V
LOAD
5
Output Ripple and Noise @
Max load
V
RN
mVp-p
mVp-p
mVp-p
6
Minimum Load
R
LOAD
150
mA
7
Short-Circuit Duration
T
SC
∞
sec
8
Efficiency @ 100% Load,
V
IN
=48V
EFF
71
79
86
%
%
%
*Typical figures are at 25°C with a nominal 48V supply after 5 minutes and are for design aid only. Not Guaranteed
**After 5 minutes
The output ripple and noise can be reduced with an external filter, see application note.
Can be used with no load at reduced voltage regulation.
Silver Telecom 2006
15