SP6134H Datasheet, PDF (13/15 Pages) Sipex Corporation – High Voltage, 600 KHz Synchronous PWM Controller

SP6134H
High Voltage, 600kHz Synchronous PWM Step Down
Controller
TYPICAL APPLICATION DIAGRAM
V_CC = 5V @ 30mA
RLF
3.0,5%
R3
221k, 1%
UV_IN
R4
100k, 1%
DBST
MBR0530
C_VCC
10μF
6.3V
GND 3
0.8V
C_VCC
Ceramic
8050
X5R
CF1
100pF
U1
SP6134H
1 _VCC
BST ¹⁰
2 _GL
GH ⁹
3 _GND
SWN ⁸
4 _VFB
SS ⁷
5 _{COMP UVIN} 6
CZ2 RZ2
820pF 40.2k, 1%
CP1
56pF
fs=600Khz
8765
QT
FDS6676S
4
14.5A, 6mΩ
123
CBST
1μF
R5
Bead
8765
QB
4
SS
123
FDS6676S
CSS ^{14.5A, 6.0mΩ}
47nF
VOUT=(R1/R2 +1)VFB
C1
22μF
16V
C2
22μF
16V
C1, C2
Ceramic
1210
X5R
VIN
3.5V - 15V
GND
C3
47μF
6.3V
C4
47μF
6.3V
RZ3
4.64k, 1%
CZ3
220pF
V_OUT≤VIN
0.8V - 3.3V
0 - 10 A
R1
68.1k, 1%
GND2
C3, C4
Ceramic
1210
X5R
R2
21.5k, 1%
Note: Components highlighted in bold are those used on the SP6134H Evaluation Board.
Table 1. Input and Output Stage Components Selection Charts.
© 2008 Exar Corporation
13/15
Rev. 2.0.0