sc1470 Semtech Corporation, sc1470 Datasheet - Page 19
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sc1470
Manufacturer Part Number
sc1470
Description
Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
Manufacturer
Semtech Corporation
Datasheet
1.SC1470.pdf
(25 pages)
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POWER MANAGEMENT
2005 Semtech Corp.
1
2
3
4
5
6
7
Figure 10: Connecting the Control and Power Sections
U1
EN/PSV
TON
VOUT
VCCA
FB
PGD
VSSA
SC470
PGND
VDDP
ILIM
BST
DH
DL
LX
14
13
12
11
10
9
8
R4 7k87
0402
19
IRF7811AV
FDS6676S
Q1
Q2
L1
2u2
www.semtech.com
SC1470