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RT9553A Datasheet, PDF (12/12 Pages) Richtek Technology Corporation – High Accuracy Current/Voltage Sensing and Protection IC
RT9553A
Outline Dimension
D2
D
L
E
E2
SEE DETAIL A
1
e
b
A
A3
A1
21
21
DETAIL A
Pin #1 ID and Tie Bar Mark Options
Note : The configuration of the Pin #1 identifier is optional,
but must be located within the zone indicated.
Symbol
A
A1
A3
b
D
D2
E
E2
e
L
Dimensions In Millimeters
Min
Max
0.700
0.800
0.000
0.050
0.175
0.250
0.180
0.300
2.950
3.050
2.300
2.650
2.950
3.050
1.500
1.750
0.500
0.350
0.450
Dimensions In Inches
Min
Max
0.028
0.031
0.000
0.002
0.007
0.010
0.007
0.012
0.116
0.120
0.091
0.104
0.116
0.120
0.059
0.069
0.020
0.014
0.018
W-Type 10L DFN 3x3 Package
Richtek Technology Corporation
14F, No. 8, Tai Yuen 1st Street, Chupei City
Hsinchu, Taiwan, R.O.C.
Tel: (8863)5526789
Richtek products are sold by description only. Richtek reserves the right to change the circuitry and/or specifications without notice at any time. Customers should
obtain the latest relevant information and data sheets before placing orders and should verify that such information is current and complete. Richtek cannot
assume responsibility for use of any circuitry other than circuitry entirely embodied in a Richtek product. Information furnished by Richtek is believed to be
accurate and reliable. However, no responsibility is assumed by Richtek or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Richtek or its subsidiaries.
www.richtek.com
DS9553A-00 September 2014
12