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SC508 Datasheet(PDF) 12 Page - Semtech Corporation

Part # SC508
Description  EcoSpeed짰 DC-DC Buck Controller with Integrated LDO
PDF  32 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC508 Datasheet(HTML) 12 Page - Semtech Corporation

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 12 / 32 page
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SC508/SC508A
12
Block Diagram
8
VDDA UVLO
Soft Start/
Automatic
Restart
FB
AGND
On-time
Generator
Control & Status
PGOOD
Gate Drive
Control
VIN
TON
VOUT
Zero Cross Detector
Current Limit
ILIM
ENL
VLDO Switchover MUX
A
Y
B
5V
LDO
VLDO
BST
FB Comparator
VDDA
LX
EN
VLDO Switchover Comparator
DL
5
16
20
4
2
19
1
3
15
17
10
A
VDDP
VDDP
VIN
VDDA
PSV
14
PGND
11
DL
12
DH
9
VDDP
13
Bootstrap Switch
Reference
VIN ULVO
detect
A = connected to pins 18 and PAD
DL
VIN
To Control & Status
VIN ULVO
VDDA
SS
6



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