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SMB110 Datasheet(PDF) 25 Page - Summit Microelectronics, Inc.

Part # SMB110
Description  Five Channel Programmable DC-DC System Power Manager
PDF  34 Pages
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Manufacturer  SUMMIT [Summit Microelectronics, Inc.]
Direct Link  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMB110 Datasheet(HTML) 25 Page - Summit Microelectronics, Inc.

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SMB110
Preliminary Information
Summit Microelectronics, Inc
2099 2.3 3/1/2005
25
APPLICATIONS INFORMATION (CONTINUED)
Figure 9 – Applications schematic.
Channel 3
Setpoint 5.0V
Programmable
from 0.8V to .9
x VBATT
VBATT
Channel 0
Setpoint -7.45V
Programmable
from -0.8V to -9
x VBATT
R12
10
C39
10uF
RESET#
R13
10
IMBUS
C32
10uF
Channel 2
Setpoint
3.3V
Programmable
from 0.8V to
.9 x VBATT
C33
0.1uF
R17 10
R18 10
HEALTHY
1
SDA
2
SCL
3
VREF_OUT
4
COMP1_CH0
5
COMP2_CH0
6
LSDRV_CH0
7
HOST_RESET
8
VDDCAP
9
VBATT
10
PCHSEQ_CH1
11
COMP1_CH1
12
COMP2_CH1
13
nRESET
14
LSDRV_CH1
16
LSDRV_CH2
17
HVSUP2
18
HSDRV_CH2
19
COMP2_CH2
20
COMP1_CH2
21
VM_CH2
22
LDO_SUPPLY
23
VSTANDBY
24
LSDRV_CH3
25
HVSUP3
26
HSDRV_CH3
27
PWREN0
28
COMP2_CH3
29
COMP1_CH3
30
VM_CH3
31
U2
SMB110
SDA
SCL
VBATT
R19
100K
R2
12K
C27
0.01uF
R9
10
C22
1800pF
C23
2700pF
C24
100pF
C5
22uF
R14
90K
2.7 to 5.5V
VREF_OUT
R15
432
R3
12K
R4
365
R24
47K
C12
2700pF
C13
68pF
C14
1000pF
L6
INDUCTOR FERRITE
HEALTHY
R16
15K
C38
0.1uF
VBATT
R20
47K
L3
33uH
D3
DIODE SCHOTTKY
C18
22uF
C34
0.1uF
C35
10uF
C15
3300pF
C30
10uF
R27
47K
C31
0.1uF
PWREN0
VBATT
R22
47K
L2
6.8uH
Place close to part
IMBUS
IMBUS
Q2(P)
Q1(N)
Q4
MOSFET DUAL
R5
316
3.3V LDO
C7
22uF
R6
392K
C43
0.1uF
C44
10uF
L4
33uH
Q2
MOSFET P
C1
0.1uF
C2
1uF
R7
33K
Q2(P)
Q1(N)
Q3
MOSFET DUAL
R8
11K
C28
10uF
C29
0.1uF
C16
100pF
L1
6.8uH
C17
3300pF
VBATT
R23
47K
IMBUS
D4 DIODE SCHOTTKY
Channel 1
Setpoint 5.5V
Programmable from
0.8V to .9 x
VBATT
R1
365
VBATT
C9
2700pF
HOST_RESET
R21
6.8K
C25
22uF
Q2(P)
Q1(N)
Q1
MOSFET DUAL
VBATT
C10
68pF
VBATT
R10
10
C11
1000pF
C20
10uF
R11
10



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