X
X
R
R
P
P
7
7
7
7
1
1
4
4
Q
Q
u
u
a
a
d
d
C
C
h
h
a
a
n
n
n
n
e
e
l
l
D
D
i
i
g
g
i
i
t
t
a
a
l
l
P
P
W
W
M
M
S
S
t
t
e
e
p
p
D
D
o
o
w
w
n
n
C
C
o
o
n
n
t
t
r
r
o
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?2011 Exar Corporation
29/29
Rev. 1.1.6
REVISION HISTORY
Revision
Date
Description
1.1.3
02/21/2010
Initial release of data sheet
1.1.4
09/30/2010
Added 4 new standard part numbers with preprogrammed I2C addresses. Added
references to PowerArchitect". Revised ?/DIV>
JA
, Revised I
2
C Communication section. Added
Power-Up and Sequencing Requirements . Changed schematics to include EN pin
sequencing. Corrected conditions for LDO OUTPUT voltage at 5V. Added EN Pin
threshold specification. Changed input voltage operating range. Added GPIO3 I
2
C
address selection. Other minor modifications to wording. Added ESD rating. Added
Negative LX transient specification.
1.1.5
11/29/2010
Fixed miscellaneous typos
1.1.6
03/02/2011
Corrected pin number and pin names in Pin Description table to match Fig. 3: Pin
Assignments.
FOR FURTHER ASSISTANCE
Email:
customersupport@exar.com
Exar Technical Documentation:
http://www.exar.com/TechDoc/default.aspx?
EXAR CORPORATION
HEADQUARTERS AND SALES OFFICES
48720 Kato Road
Fremont, CA 94538 USA
Tel.: +1 (510) 668-7000
Fax: +1 (510) 668-7030
www.exar.com
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve
design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any circuits described herein,
conveys no license under any patent or other right, and makes no representation that the circuits are free of patent
infringement. Charts and schedules contained here in are only for illustration purposes and may vary depending upon a
users specific application. While the information in this publication has been carefully checked; no responsibility, however,
is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or
malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its
safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in
writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all
such risks; (c) potential liability of EXAR Corporation is adequately protected under the circumstances.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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