RT9953 RICHTEK [Richtek Technology Corporation], RT9953 Datasheet - Page 17

• Manufacturer Part Number: RT9953
• Description: 4+1 CH Power Management IC
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS9953-02 April 2011
Input/Output
capacitors must
be placed as
close as possible
to the Input/
Output pins.
LX should be connected to Inductor by
wide and short trace, keep sensitive
compontents away from this trace
V
V
GND
OUT1_CH1
OUT4_CH4
C12
GND
V
R7
GND
V
BAT
BAT
C2
R8
C17
C10
Figure 2. PCB Layout Guide
C11
PVDD1
PVDD4
L1
EN3
FB4
LX1
C1
SS
L4
1
2
3
4
5
6
24
7
GND
C14
23
8
C3
R9
R2
22
GND
9
R1
C13
C15
21
10
Place the feedback components as
close as possible to the FB pin and
keep away from noisy devices.
C6
R10
20
11
R3
25
R4
19
12
18
17
16
15
14
13
L3
V
OUT2_CH2
Connect the Exposed
Pad to a ground plane.
LX2
PVDD2
FB3
EN2
PVDD3
VDDM
L2
R6
C5
C8
C7
V
V
OUT3_CH3
BAT
C16
GND
C4
GND
V
BAT
R5
C9
RT9953
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