RT9911PQV RICHTEK [Richtek Technology Corporation], RT9911PQV Datasheet - Page 3

• Manufacturer Part Number: RT9911PQV
• Description: 6 Channel DC/DC Converters
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Note :
DS9911-04 August 2007
Bottom pad is GND pad, can be short to pin 6 (GND).
Please remove Q2 when use Async Boost and remove D5 when use Sync Boost.
Output voltage setting
CH1: 0.8Vx(1+R1/R2) ex: I/O 3.3V = 0.8x(1+470k/150k)
CH2: 0.8Vx(1+R4/R5) ex: DDR 2.5V = 0.8x(1+470k/226k)
CH3: 0.8Vx(1+R8/R9) ex: MOTOR 5V = 0.8x(1+470k/90.9k)
CH4: 1.0Vx(1+R10/R11) ex: CCD 12V = 1.0x(1+2.2M/205k)
CH5: -1.0Vx(R13/R14) ex: CCD -8V = -1.0x(1M/125k)
250mA
DDR
2.5V
2.5V
500mA
Motor
5V
500mA
3.3V
I/O
V
510k
0.1uF
BAT
C13
R3
10pF
C17
V
Q1
BAT
10uFx4
C3 to C6
10uFx2
R8
470k
90.9k
R9
C10 to C11
R2
R5
C15 to C16
10uFx2
150k
226k
10uFx4
C8 to C9
10uFx2
C18
to C21
470k
R1
R4
470k
Figure 2. Application Circuit for Li-ion Battery Supply
C1 to C2
10uFx2
Q2
D5
100pF
C7
3.4V to 4.2V
4.7uH
100pF
4.7uH
C12
L2
L1
V
R17 to R23
C32 to C37
4.7uH
BAT
L3
Q3
11
10
31
30
33
20
26
25
24
28
1
7
2
DRP3
PVDD1
LX1
FB1
PVDD2
LX2
FB2
PVDD3
CS3
DRN3
FB3
OK2
GND
8
32 27 16 12 21
RT9911
34
V
BAT
Bottom PAD
5
PGND1
PGND2
PVDD5
C22
1uF
VREF
CFB6
EXT4
EXT5
EXT6
VFB6
GND
EN1
EN1
EN3
EN4
EN5
EN6
FB4
FB5
RT
1M
29
23
18
17
15
14
13
9
6
19
22
35
36
37
38
39
40
3
4
R12
V
V
EN1
EN2
EN3
EN4
EN5
EN6
BAT
BAT
Q4
Q5
SS0520
4.7uH
L4
V
10uF
10uF
C23
C26
SS0520
BAT
D6
Q6
D7
4.7uH
L6
SS0520
D8
10uF
C30
10uF
100pF
C24
3.3uH
C27
L5
C31
4.7uF
100pF
1M
R13
R14
125k
R24
20k
C25
R15
300k
RT9911
www.richtek.com
R10
2.2M
R11
4.7uF
C29
10uF
C28
10
R16
205k
D1
D2
D3
D4
CCD
40mA
20mA
CCD
12V
-8V
3