SI9122 Datasheet, PDF (13/17 Pages) Vishay Siliconix – 500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Drivers

TYPICAL CHARACTERISTICS
t_BBM vs. R_BBM, V_EP = 0 V
100
90
V_CC = 12 V
t_BBM1
80
t_BBM4
70
60
t_BBM3
50
t_BBM2
40
30
20
25
30
35
40
45
R_BBM (kW)
t_{BBM1, 2} vs. Temperature, V_EP = 0 V
80
t_BBM1 = 13 V
t_BBM1 = 12 V
70
t_BBM1 = 10 V
60
V_CC = 12 V
R_BBM = 33 kW
50
t_BBM2 = 10 V
40
t_BBM2 = 13 V
t_BBM2 = 12 V
30
−50 −25 0
25 50 75 100 125
Temperature (_C)
t_{BBM3, 4} vs. Temperature, V_EP = 0 V
70
V_EP = 0 V
65
R_BBM = 33 kW
t_BBM4 = 10 V
60
t_BBM4 = 12 V
55
50
t_BBM4 = 13 V
45
t_BBM3 = 13 V
40
t_BBM3 = 12 V
35
t_BBM3 = 10 V
30
−50 −25
0
25 50 75
Temperature (_C)
100 125
Document Number: 71815
S-41944—Rev. F, 18-Oct-04
Si9122
Vishay Siliconix
t_BBM vs. R_BBM, V_EP = 1.65 V
65
V_CC = 12 V
t_BBM4
t_BBM1
55
t_BBM2
45
t_BBM3
35
25
15
25
30
35
40
45
R_BBM (kW)
t_{BBM1, 2} vs. Temperature, V_EP = 1.65 V
60
V_CC = 12 V
55
R_BBM = 33 kW
t_BBM1 = 10 V
t_BBM1 = 12
t_BBM1 = 13
50
45
40
35
30
−50
t_BBM2 = 10 V
t_BBM2 = 13 V
t_BBM2 = 12 V
−25 0
25 50 75 100 125
Temperature (_C)
t_{BBM3, 4} vs. Temperature, V_EP = 1.65 V
80
V_EP = 1.65 V
R_BBM = 33 kW
70
t_BBM4 = 13 V
60 _{tBBM4 = 12 V}
50
t_BBM4 = 10 V
40
30
20
−50
t_BBM3 = 10 V
t_BBM3 = 13 V
t_BBM3 = 12 V
−25 0
25 50 75 100 125
Temperature (_C)
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