X
X
R
R
P
P
7
7
7
7
0
0
8
8
a
a
n
n
d
d
X
X
R
R
P
P
7
7
7
7
4
4
0
0
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
o
l
l
l
l
e
e
r
r
s
s
?2012 Exar Corporation
28/28
Rev. 1.2.2
REVISION HISTORY
Revision
Date
Description
1.0.2
02/01/2010
Approved and first release of data sheet
1.0.3
02/02/2010 Minor edits
1.2.0
04/14/2010
Combined XRP7708 Rev 1.0.3 and XRP7740 Rev 1.1.0 into one document. Added I2C
information. Added enable pin sequencing information. Updated gate drive resistance
information. Corrected package thermal resistance. Added part to order information
table
1.2.1
12/5/2011
Added information on soft-start flag. Added new ANP-35 reference and ANP-31
reference. Changed logo color. More emphasis on the connection of PGND pins.
1.2.2
04/20/2012
Corrected typographical errors.
First page, change exposed pad designation from DGND to AGND.
Pin description table; GL1 corrected from pin 34 to 35 , LX3 and LX4 corrected from
pins 23,18 to 18,23
FOR FURTHER ASSISTANCE
Email:
powerxr@exar.com
Exar Technical Documentation:
http://powerxr.exar.com
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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