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LTC4449 Datasheet(PDF) 30 Page - Linear Technology

Part # LTC4449
Description  Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management
PDF  108 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4449 Datasheet(HTML) 30 Page - Linear Technology

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LTC3882-1
30
Rev A
For more information www.analog.com
OPERATION
Table 3. Fault Source Values
FAULT SOURCE VALUE
CAUSE OF FAULT LOG
CHANNEL
0x00
TON_MAX
0
0x01
VOUT_OV
0x02
VOUT_UV
0x03
IOUT_OC
0x05
Over temperature
0x06
Under temperature
0x07
VIN_OV
0x0A
Internal temperature
0x10
TON_MAX
1
0x11
VOUT_OV
0x12
VOUT_UV
0x13
IOUT_OC
0x15
Over temperature
0x16
Under temperature
0x17
VIN_OV
0x1A
Internal temperature
0xFF
MFR_FAULT_LOG_STORE
Table 4. Fault Log Event Record
DATA
BITS
FORMAT
RECORD BYTE INDEX
READ_VOUT (PAGE 0)
[15:8]
L16
0
[7:0]
1
READ_VOUT (PAGE 1)
[15:8]
L16
2
[7:0]
3
READ_IOUT (PAGE 0)
[15:8]
L11
4
[7:0]
5
READ_IOUT (PAGE 1)
[15:8]
L11
6
[7:0]
7
READ_VIN
[15:8]
L11
8
[7:0]
9
(Not used)
[15:8]
L11
10
[7:0]
11
STATUS_VOUT (PAGE 0)
[7:0]
Reg
12
STATUS_VOUT (PAGE 1)
[7:0]
Reg
13
STATUS_WORD (PAGE 0)
[15:8]
Reg
14
[7:0]
15
STATUS_WORD (PAGE 1)
[15:8]
Reg
16
[7:0]
17
STATUS_MFR_SPECIFIC (PAGE 0)
[7:0]
Reg
18
STATUS_MFR_SPECIFIC (PAGE 1)
[7:0]
Reg
19



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