sc4524a Semtech Corporation, sc4524a Datasheet - Page 16

• Manufacturer Part Number: sc4524a
• Description: Sc4524a 28v 2a Step-down Switching Regulator
• Manufacturer: Semtech Corporation

Typical Application Schematics
Figure 11. 800kHz 10V-26V to 3.3V/2A Step-down Converter
V
V
IN
IN
Figure 10. 300kHz 24V to 1.5V/2A Step-down Converter
EVB#d: 300kHz 24V to 1.5V/2A Step-Down Converter
800kHz 10V-26V to 3.3V/2A Step-Down Converter
C4
C7
10nF
4.7mF
C7
10nF
C4
4.7mF
24V
10V – 26V
L1: Coiltronics DR73-8R2
L1: Coiltronics DR73-8R2
22pF
C8
SS/EN
C8
22pF
SS/EN
COMP
COMP
IN
18V Zener
IN
R7
4.32k
C5
2.2nF
13.0k
R7
C5
2.2nF
SC4524A
D3
SC4524A
ROSC
ROSC
1N4148
90.9k
R5
D1
R5
23.7k
GND
BST
GND
BST
SW
FB
C2: Murata GRM31CR60J226K
C4: Murata GRM32ER71H475K
SW
FB
C2: Murata GRM31CR60J226M
C4: Murata GRM32ER71H475K
C1
0.33mF
C1
0.1mF
D2
20BQ030
D2
SS23
8.2mH
8.2mH
L1
1N4148
L1
D1
33.2k
R4
R6
66.5k
3.65k
1.58k
R4
R6
C2
22mF
C2
1.5V/2A
22mF
OUT
3.3V/2A
OUT
SC4524A
6