SI9122 Vishay Siliconix, SI9122 Datasheet - Page 15

• Manufacturer Part Number: SI9122
• Description: 500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Drivers
• Manufacturer: Vishay Siliconix

Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and
Package Reliability represent a composite of all qualified locations.
http://www.vishay.com/ppg?71815.
Document Number: 71815
S-41944—Rev. F, 18-Oct-04
TYPICAL WAVEFORMS
CS2 50 mV/div
SRL 10 V/div
SRH 2 V/div
I
SRL 2 V/div
V
OUT
LX 20 V/div
D
V
CC
L
IN
10 V/div
5 A /div
2 V/div
2 V/div
Figure 11.
Figure 7.
Effective BBM—Measured On Secondary
Figure 9.
Foldback Mode, R
500 ns/div
2 ms/div
2 ms/div
V
CC
Ramp-Up
L
= 0.02 W
For related documents such as package/tape drawings, part marking, and reliability data, see
I
SRL 10 V/div
V
OUT
I
SRH 5 V/div
OUT
CS2 5 V/div
SRL 5 V/div
V
OUT
V
DH 5 V/div
D
D
EP
CL
L
L
10 A/div
5 A /div
5 V/div
2 V/div
2 V/div
2 V/div
5 V/div
Figure 10. Over Load Recovery—Minimum Overshoot
Figure 8.
Figure 12. Drive Waveforms
Normal Mode, R
200 ms/div
500 ns/div
2 ms/div
Vishay Siliconix
L
= 0.1 W
www.vishay.com
Si9122
15