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LT8551 Datasheet(PDF) 12 Page - Analog Devices

Part # LT8551
Description  Multiphase Boost Converter Expander
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8551 Datasheet(HTML) 12 Page - Analog Devices

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LT8551
12
Rev 0
For more information www.analog.com
BLOCK DIAGRAM
VOUT REG
ILIM
VC1
VOUT REG
ILIM
VC4
CHANNEL 2 AND 3
NOT SHOWN
VBIAS
8551 BD
SHDN
ENOUT
VIN
REGIS
REGDRV
ISN1
ISP1
REG
TIMING
CONTROL
1
CURRENT LIMIT
AND
FAULT CONTROL 1
EA1
IAMP_INT1
A1
–
+
REGSNS
IAMPN
STAGE
SHEDDING
CONTROL
START-UP CONTROL
UVLO_VIN
UVLO_VCC
OT
ENOUT
CONTROL
CURRENT
LIMIT
CONTROL
A6
REGS_INT
A5 (1×)
–
+
1.8V
–
+
A0
–
+
A7 (1×)
VIN
BST4
TG4
SW4
BG4
BST1
TG1
SW1
BG1
ISN4
ISP4
REG
TIMING
CONTROL
4
CURRENT LIMIT
AND
FAULT CONTROL 4
EA4
IAMP_INT4
A4
VIN
REG
MODE
VCC
ILIM
IAMPP
IAMPN
ISP
ISN
SYNC
PHS1
PHS2
PHS3
CLK1
CLK2
TGSR
TGSH
TGSL
BGSH
TGBUF
BGBUF
REG
PRIMARY
GATE
SENSING
OSCILLATOR
AND CLOCK
PROCESSING
RT/MS
1×
31
28
49
47
48
44
43
40
52
51
50
1
14
15
16
11
38
39
3
30
29
27
33
32
35
34
23
25
24
41
21
20
17
18
19
22
13
12
26
IAMP_INT



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