SI9122 Vishay Siliconix, SI9122 Datasheet - Page 13

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

Document Number: 71815
S-41944—Rev. F, 18-Oct-04
TYPICAL CHARACTERISTICS
100
90
80
70
60
50
40
30
20
80
70
60
50
40
30
70
65
60
55
50
45
40
35
30
−50
−50
25
V
R
V
R
t
BBM2
t
t
CC
EP
BBM
BBM
V
BBM1
BBM2
−25
−25
CC
t
t
= 0 V
BBM1, 2
= 12 V
BBM3, 4
t
= 33 kW
= 33 kW
BBM3
= 13 V
= 12 V
= 10 V
= 10 V
30
t
BBM
0
0
= 10 V
vs. Temperature, V
vs. Temperature, V
t
BBM4
vs. R
Temperature (_C)
Temperature (_C)
R
25
25
t
t
BBM1
BBM
= 13 V
BBM3
BBM
35
(kW)
= 13 V
t
= 13 V
BBM4
50
50
, V
EP
t
= 10 V
BBM2
= 0 V
75
75
t
t
BBM1
EP
EP
BBM3
t
40
BBM4
= 12 V
= 0 V
= 0 V
= 12 V
= 12 V
100
100
= 12 V
t
t
t
t
BBM1
BBM4
BBM3
BBM2
125
125
45
65
55
45
35
25
15
60
55
50
45
40
35
30
80
70
60
50
40
30
20
−50
−50
25
t
V
R
BBM4
V
R
t
t
EP
BBM
BBM1, 2
CC
BBM3, 4
BBM
−25
−25
t
BBM2
t
= 1.65 V
BBM3
= 12 V
= 12 V
= 33 kW
= 33 kW
V
t
CC
BBM
30
= 10 V
= 13 V
vs. Temperature, V
vs. Temperature, V
= 12 V
0
0
t
BBM3
vs. R
t
BBM2
Temperature (_C)
Temperature (_C)
25
= 10 V
25
R
BBM
BBM
= 13 V
Vishay Siliconix
35
, V
t
(kW)
BBM4
t
BBM1
50
50
EP
= 13 V
= 1.65 V
= 10 V
EP
EP
75
75
t
= 1.65 V
= 1.65 V
BBM4
40
t
t
BBM2
BBM3
www.vishay.com
Si9122
100
= 10 V
100
= 12 V
= 12 V
t
t
t
t
BBM4
BBM1
BBM2
BBM3
t
t
BBM1
BBM1
125
125
45
= 12
= 13
13