RT9511 查看數據表（PDF） - Richtek Technology
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RT9511 Datasheet PDF : 24 Pages
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RT9511
Ordering Information
RT9511
Package Type
QW : WQFN-24L 4x4 (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
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
(TOP VIEW)
24 23 22 21 20 19
GND 1
18 BAT_ON
EN1 2
17 BATT
VDD1 3
LX1 4
GND
16 TS
15 TIMER
GND 5
25
14 EN
FB2 6
13 NC
7 8 9 10 11 12
WQFN-24L 4x4
Typical Application Circuit
System
VACIN
VUSB
1µF
1µF RSETA
RT9511
19 SYS
18
BAT_ON
21 AC_ON
23 CHG_S
BATT 17
12 ISETU
22 ACIN
TS 16
TIMER 15
20 USB
EN 14
11 ISETA
CT0.1µF
Battery Pack
Chip Enable
VIN
2.5V to 5.5V
VOUT1
C1O0UµTF1
CIN1
4.7µF
L1
2.2µH
R1 C1
R2
IR2
3 VDD1
2 EN1
4 LX1
VDD2 9
EN2 8
LX2 10
L2
2.2µH
24 FB1
FB2 6
GND
1, 5, 7, 25 (Exposed Pad)
CIN2
4.7µF
C2 R3
IR4
R4
VIN
2.5V to 5.5V
VOUT2
1C0OµUFT2
www.richtek.com
2
DS9511-01 April 2011
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