Datasheet

LTC4269-1
43
42691fc
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
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 04/10 Connected PWRGD Pin to UVLO Pin in Typical Application Circuit Drawings
Added Text Clarifying Connecting PWRGD Pin to UVLO Pin in Complementary Power Good Section of the
Applications Information Section
1, 39-41
16, 17
C 08/12 Updated maximum power levels for class 0 and class 3 to 13.0W
Added 10 resistor to V
PORTP
pin in Figure 7 and supporting text in Input Series Resistance section
Added SMAJ58A (TVS) recommendation paragraph
Figure 8: Changed connection of photodiode (cathode side) from V
NEG
to –54V rail
Figure 9: Added Schottky diode between V
PORTN
and V
NEG
to make solution more robust to surges
Schematic changes to make solution more robust to surges: added 10 resistor to V
PORTP
pin, added Schottky
diode to V
PORTN
pin, and changed diode going from V
PORTN
to negative auxiliary input to S1B
14
18, 19
19
19
20
38, 39, 40, 41
(Revision history begins at Rev B)