RT9953 RICHTEK [Richtek Technology Corporation], RT9953 Datasheet - Page 2

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

Typical Application Circuit
RT9953
For 2AA
www.richtek.com
2
V
OUT_CH4
1.8V
V
OUT_CH2
10µF
V
C11
3.6V
3.6V
BAT
5V
10µF x 2
C5
R7
470k
R8
374k
C16
1µF
23, 25 (Exposed Pad)
Chip Enable
C10
10µF
C4
10µF
C12
33pF
V
2.2µH
R3
470k
R4
88.7k
4.7µH
BAT
L2
L4
16
18
17
21
19
24
14
20
6
7
4
3
8
VDDM
GND
LX2
PVDD2
FB2
PVDD4
LX4
FB4
SEL
EN1
EN2
EN3
EN4
EN5
RT9953
PVDD1 2
PVDD3
PVDD5
VOUT5
FB1
FB3
FB5
LX1
LX3 12
SS 5
1
22
13
15
11
9
10
4.7µH
L3
C3
4.7pF
2.2µH
0.47nF
C17
L1
C9
22pF
C15
10pF
R1
470k
R2
133k
R5
768k
R6
360k
R9
47k
R10
22.1k
C1
10µF
C7
10µF
C13
1µF
10µF x 2
C2
C8
10µF
C14
1µF
DS9953-02 April 2011
V
V
3.6V
3.6V
V
2.5V
3.6V
V
2.5V
BAT
OUT_CH1
OUT_CH3
OUT_CH5