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SC493 Datasheet(PDF) 11 Page - Semtech Corporation

Part # SC493
Description  EcoSpeedTM Step-down Controller with I2C Interface
PDF  28 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC493 Datasheet(HTML) 11 Page - Semtech Corporation

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SC493
11
Block Diagram
VOUT
1
9
BST
SDA
4
AVDD
3
Reference
Soft Start &
Slew Control
-
+
On-time
Generator
Control, Status, and I2C Interface
Gate Drive
Control
Zero Cross Detector
Valley Current Limit
Comparator
Feedback Adjustment
Output Voltage Margining
Power On Delay
Soft Start Time
Status Register
Frequency Setting
Current Limit Setting
Power Save Mode
DL
SCL
5
EN
6
VIN
7
A2
17
A1
18
PGOOD
15
A0
19
PVDD
14
FB
2
AGND
20
8
DH
10
LX
12
DL
16
ILIM
13
PGND
PVDD
PVDD
AVDD



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