SI9119 VISHAY [Vishay Siliconix], SI9119 Datasheet - Page 6

• Manufacturer Part Number: SI9119
• Description: Programmable Duty Cycle Controller
• Manufacturer: VISHAY [Vishay Siliconix]

Si9118/Si9119
Vishay Siliconix
www.Vishay Siliconix.com FaxBack 408-970-5600
6
–48 V (–42 to –56 V)
–48 V (–42 to –56 V)
FIGURE 3. Si9119 Forward Converter With External Slope Compensation
FIGURE 2. Si9118 15-W Forward Converter Schematic
+V
I
PWM/PSM
V
NI
FB
COMP
SS/EN
LIMIT
REF
IN
+V
I
PWM/PSM
V
NI
FB
COMP
SS/EN
LIMIT
REF
IN
R
C
SYNC
D
OSC
V
–V
OSC
MAX
CC
DR
I
CS
R
IN
C
D
V
OSC
OSC
–V
MAX
V
DR
CC
I
CS
SC
IN
New Product
Si9420DY
Si9420DY
TL431
TL431
S-60752—Rev. B, 05 Apr-99
Document Number: 70815
V
V
O
O