SI9122A_08 VISHAY [Vishay Siliconix], SI9122A_08 Datasheet - Page 16

• Manufacturer Part Number: SI9122A_08
• Description: 500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification Drivers
• Manufacturer: VISHAY [Vishay Siliconix]

Si9122A
Vishay Siliconix
TYPICAL WAVEFORMS
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. For related documents such as package/tape drawings, part marking, and
reliability data, see http://www.vishay.com/ppg?73492.
www.vishay.com
16
CS2 50 mV/div
SRL 10 V/div
I
OUT
D
SRH 2 V/div
SRL 2 V/div
V
LX 20 V/div
V
L
CC
IN
10 V/div
5 A /div
2 V/div
2 V/div
Figure 11. Effective BBM - Measured On Secondary
Figure 7. Foldback Mode, R
Figure 9. V
500 ns/div
2 µs/div
2 ms/div
CC
Ramp-Up
L
= 0.02 Ω
SRL 10 V/div
SRH 5 V/div
I
SRL 5 V/div
V
I
OUT
OUT
CS2 5 V/div
DH 5 V/div
V
OUT
D
V
D
EP
L
CL
L
5 V/div
10 A/div
5 A /div
5 V/div
2 V/div
2 V/div
2 V/div
Figure 8. Normal Mode, R
Figure 12. Drive Waveforms
Figure 10. Overload Recovery
500 ns/div
200 µs/div
2 µs/div
S-80038-Rev. D, 14-Jan-08
Document Number: 73492
L
= 0.1 Ω