SP6137 Просмотр технического описания (PDF) - Exar Corporation
Номер в каталоге
Компоненты Описание
производитель
SP6137 Datasheet PDF : 15 Pages
| |||
SP6137
Wide Input, 900kHz Synchronous PWM Step Down
Controller
TYPICAL APPLICATION DIAGRAM
VCC = 5V @ 30mA
RLF
3.0,5%
R3
221k, 1%
UVIN
R4
100k, 1%
DBST
MBR0530
CVCC
10μF
6.3V
GND 3
0.8V
CVCC
Ceramic
8050
X5R
CF1
100pF
U1
1 VCC
BST 10
2
SP6137
GL
GH
9
3 GND
SWN 8
4 VFB
SS 7
5 COMP UVIN 6
CZ2 RZ2
820pF 40.2k, 1%
CP1
56pF
8765
QT
FDS6676S
4
14.5A, 6mΩ
123
CBST
0.1μF
C1
22μF
16V
C2
22μF
16V
C1, C2
Ceramic
1210
X5R
VIN
2.5V -20V
GND
R5
Bead
8765
QB
L1 SC5018-2R7M
2.7μH @ 12A
DCR=4.30mΩ
4
SS
123
FDS6676S
CSS 14.5A, 6.0mΩ
47nF
C3
47μF
6.3V
C4
47μF
6.3V
RZ3
4.64k, 1%
CZ3
220pF
VOUT≤VIN
3.3V @ 10A
R1
68.1k, 1%
GND2
C3, C4
Ceramic
1210
X5R
R2
21.5k, 1%
Note: Components highlighted in bold are those used on the SP6137 Evaluation Board.
Table 1. Input and Output Stage Components Selection Charts.
© 2008 Exar Corporation
13/15
Rev. 2.0.0
Share Link: 