L4978D(2000) 데이터 시트보기 (PDF) - STMicroelectronics
부품명
상세내역
제조사
L4978D Datasheet PDF : 12 Pages
| |||
Figure 1. Test and evaluation board circuit.
L4978
Vi=8V to 55V
C1
220µF
63V
C7
220nF
R1
20K
C2
2.7nF
5
L4978
3
2
7
1
C5
100nF C4
22nF
R2
9.1K
8
4
6
C6
100nF
D1
GI
SB560
L1
126µH
(77120)
C8
330µF
VO=3.3V/2A
R3
R4
C1=220µF/63V EKE
C2=2.7nF
C5=100nF
C6=100nF
C7=220nF/63V
C8=330µF/35V CG Sanyo
L1=126µH KoolMu 77120 - 55 Turns - 0.5mm
R1=20K
R2=9.1K
D1=GI SB560
D98IN834A
VO(V)
3.3
5.1
12
15
18
24
L4978
R3(KΩ)
0
2.7
12
16
20
30
R4(KΩ)
4.7
4.7
4.7
4.7
4.7
Figure 2. PCB and component layout of the figure 1.
5/12
Share Link: 