 English |
|
|
|
|
|
|
|
| SI786 Datasheet, PDF (11/14 Pages) Vishay Siliconix – Dual-Output Power-Supply Controller | |||
| |||
| ◁ |
Si786
Vishay Siliconix
CS
1X
_
60 kHz
LPF
FB_
REF, 3.3 V
(or Internal 5-V
Reference)
Summing
Comparator
R
Q
S
OSC
Level
Shift
BST_
DH
_
LX_
Slope
Comp
25 mV
SS_
ON_
4 mA
Minimum Current
(Pulse-Skipping)
VL
30R
3.3 V
1R
Current
Limit
0 mV to
100 mV
Synchronous
Rectifier Control
R
Q
S
FIGURE 3. Si786 Controller Block Diagram
Shoot-
Through
Control
Level
Shift
VL
DL_
PGND
Document Number: 70189
S-40807âRev. J, 26-Apr-04
www.vishay.com
11
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese