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RT8249 数据表(PDF) 2 Page - Richtek Technology Corporation

部件名 RT8249
功能描述  Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs
PDF  23 Pages
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制造商  RICHTEK [Richtek Technology Corporation]
网页  http://www.richtek.com
标志 RICHTEK - Richtek Technology Corporation

RT8249 数据表(HTML) 2 Page - Richtek Technology Corporation

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RT8249A/B/C
2
DS8249A/B/C-02
June 2014
www.richtek.com
©
Copyright
2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Ordering Information
Note :
***Empty means Pin1 orientation is Quadrant 1
Richtek products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Pin Configurations
RT8249A/B
(TOP VIEW)
Marking Information
2Q= : Product Code
YMDNN : Date Code
2P= : Product Code
YMDNN : Date Code
2N= : Product Code
YMDNN : Date Code
RT8249C
WQFN-20L 3x3
RT8249AGQW
RT8249BGQW
RT8249CGQW
Applications
Notebook and Sub-Notebook Computers
System Power Supplies
3-Cell and 4-Cell Li+ Battery-Powered Devices
2Q=YM
DNN
2P=YM
DNN
2N=YM
DNN
FB2
LDO3
CS1
FB1
LGATE1
BYP1
VIN
LDO5
CS2
LGATE2
15
14
13
12
17
18
19
20
1
2
3
4
9
8
7
6
GND
21
11
5
16
10
FB2
LDO3
CS1
FB1
LGATE1
BYP1
VIN
LDO5
CS2
LGATE2
15
14
13
12
17
18
19
20
1
2
3
4
9
8
7
6
GND
21
11
5
16
10
RT8249A/B/C
Package Type
QW : WQFN-20L 3x3 (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Pin Function With
A : VCLK, LDO3 Always On
B : VCLK, LDO3/LDO5 Always On
C : SKIPSEL, LDO3 Always On
Pin 1 Orientation
***
(2) : Quadrant 2, Follow EIA-481-D



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