Datasheet

LTC4266
29
4266fe
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However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
revision history
REV DATE DESCRIPTION PAGE NUMBER
B 3/11 Revised AGND and DGND pin references throughout data sheet.
Revised auto mode to AUTO pin mode throughout data sheet.
Added text to Operating Modes and made minor text edits throughout Applications Information section.
1 to 6, 9, 13
1 to 26
19 to 26
C 8/11 Changed –48 Supply Voltage to Main PoE Supply Voltage.
Changed Gate Typical voltage to 12V.
Changed SCL, SDAIN V
IL
to 1.0V (I
2
C compliance).
Fix t
CUT
to differentiate from t
LIM
, Electrical Characteristics.
Added (mA) to Classification Current Compliance, x-axis title.
802.3af Classification section, changed Figure 14 reference to Figure 13.
Power Supplies and Bypassing section changed to –45 for Type 1 minimum and –51 for Type 2 minimum.
3
3, 13, 19
4
5
7
18
22
D 1/12 Revised MAX value for V
ILD
I
2
C Input Low Voltage
Clarified AUTO pin mode relationship to reset pin
4
16
E 5/14 Fixed part marking for GW package. 2
(Revision history begins at Rev B)