SI786LG Vishay, SI786LG Datasheet - Page 11

• Manufacturer Part Number: SI786LG
• Description: IC, DUAL POWER SUPPLY CONTROLLER, SSOP28
• Manufacturer: Vishay

Specifications of SI786LG

• Primary Input Voltage: 15V
• No. Of Outputs: 2
• Output Voltage: 3.3V
• Output Current: 25mA
• No. Of Pins: 28
• Operating Temperature Range: -10°C To +90°C
• Power Dissipation Pd: 762mW
• Number Of Outputs: 2
• Input Voltage: 5.5 V to 30 V
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Maximum Operating Temperature: + 90 C
• Minimum Operating Temperature: - 10 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Document Number: 70189
S-40807—Rev. J, 26-Apr-04
(or Internal 5-V
Reference)
REF, 3.3 V
ON_
SS_
25 mV
4 mA
Slope
Comp
Synchronous
Rectifier Control
FIGURE 3. Si786 Controller Block Diagram
3.3 V
Minimum Current
(Pulse-Skipping)
60 kHz
LPF
Summing
Comparator
30R
1R
V
R
S
L
Q
0 mV to
100 mV
Current
Limit
1X
R
S
Q
OSC
Through
Control
Shoot-
Level
Level
Vishay Siliconix
Shift
Shift
CS
_
FB_
BST_
DH
_
LX_
V
DL_
PGND
L
www.vishay.com
Si786
11