SC4525A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC4525A' PDF : 19 Pages View PDF
Typical Application Schematics
VIN
24V
D3
D1
18V Zener 1N4148
C4
4.7mF
IN
BST
SW
SS/EN SC4525A
COMP
ROSC
FB
GND
C7
10nF
C8
22pF
R7
6.81k
C5
2.2nF
R5
90.9k
C1
0.33mF
L1
6.8mH
R4
33.2k
OUT
1.5V/3A
D2
B330A
R6
66.5k
C2
47mF
L1: Coiltronics DR74-6R8
C2: Murata GRM31CR60J476M
C4: Murata GRM32ER71H475K
Figure 10. 300kHz 24V to 1.5V/3A Step-down Converter
SC4525A
EVB#d: 300kHz 24V to 1.5V/3A Step-Down Converter
VIN
10V – 26V
C4
4.7mF
IN
BST
SW
SS/EN SC4525A
COMP
ROSC
FB
GND
C7
10nF
C8
10pF
R7
43.2k
C5
0.47nF
R5
18.2k
D1
1N4148
C1
0.1mF
L1
3.3mH
R4
33.2k
OUT
3.3V/3A
D2
B330A
R6
14.3k
C2
47mF
L1: Coiltronics DR74-3R3
C2: Murata GRM31CR60J476M
C4: Murata GRM32ER71H475K
Figure 11. 1MHz 10V-26V to 3.3V/3A Step-down Converter
1MHz 10V-26V to 3.3V/3A Step-Down Converter
17
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