SC4524B Semtech Corporation, SC4524B Datasheet - Page 16

• Manufacturer Part Number: SC4524B
• Description: 16V 2A Step-Down Switching Regulator
• Manufacturer: Semtech Corporation

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Typical Application Schematics
V
V
V
V
IN
IN
IN
IN
Figure 11. 500kHz 10V-16V to 1.5V/2A Step-down Converter
Figure 10. 1MHz 5V to 3.3V/2A Step-down Converter
C4
C4
C7
C7
10nF
10nF
4.7mF
4.7mF
C4
C4
C7
C7
10nF
10nF
4.7mF
4.7mF
5V
5V
10V – 16V
10V – 16V
L1: Coiltronics LD1-2R2
L1: Coiltronics LD1-2R2
L1: Coiltronics DR73-4R7
L1: Coiltronics DR73-4R7
10pF
10pF
10pF
10pF
SS/EN
SS/EN
C8
C8
C8
C8
SS/EN
SS/EN
COMP
COMP
COMP
COMP
IN
IN
IN
IN
29.4k
29.4k
R7
R7
7.15k
7.15k
R7
R7
C5
C5
0.47nF
0.47nF
C5
C5
2.2nF
2.2nF
SC4524B
SC4524B
SC4524B
SC4524B
1N4148
1N4148
ROSC
ROSC
ROSC
ROSC
D1
D1
18.2k
18.2k
R5
R5
47.3k
47.3k
R5
R5
GND
GND
GND
GND
BST
BST
BST
BST
SW
SW
SW
SW
FB
FB
C2: Murata GRM31CR60J226K
C2: Murata GRM31CR60J226K
FB
FB
C4: Murata GRM31CR60J475K
C4: Murata GRM31CR60J475K
C2: Murata GRM31CR60J226K
C2: Murata GRM31CR60J226K
C4: Murata GRM31CR60J475K
C4: Murata GRM31CR60J475K
C1
C1
0.1mF
0.1mF
C1
C1
0.33mF
0.33mF
D2
D2
20BQ030
20BQ030
D2
D2
20BQ030
20BQ030
2.2mH
2.2mH
4.7mH
4.7mH
1N4148
1N4148
L1
L1
L1
L1
D1
D1
33.2k
33.2k
R4
R4
R6
R6
14.3k
14.3k
33.2k
33.2k
R4
R4
R6
R6
66.5k
66.5k
EVB #a
EVB #a
EVB #b
EVB #b
C2
C2
22mF
22mF
C2
C2
22mF
22mF
3.3V/2A
3.3V/2A
1.5V/2A
1.5V/2A
OUT
OUT
OUT
OUT
SC4524B
16