SI9122A_08 VISHAY [Vishay Siliconix], SI9122A_08 Datasheet - Page 12

• 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 CHARACTERISTICS
www.vishay.com
12
600
500
400
300
200
10.0
9.5
9.0
8.5
8.0
7.5
25
23
21
19
17
15
20
- 50
- 50
- 25
- 25
30
V
REG
TC = - 11 mV/C
f
V
OSC
0
CC
vs. Temperature, V
0
40
= 13 V
I
vs. R
V
SS
CC
Temperature ( C)
25
R
vs. Temperature
= 10 V
Temperature (°C)
OSC
25
OSC
50
50
(kΩ)
at V
V
CC
50
CC
75
= 12 V
V
60
= 12 V
INDET
IN
75
100
= 48 V
> V
70
REF
100
125
80
150
125
3.300
3.295
3.290
3.285
3.280
3.275
3.270
8.20
8.15
8.10
8.05
8.00
7.95
7.90
100
90
80
70
60
50
40
30
20
10
0
- 50
- 50
0.0
- 25
7.2 V
V
V
- 25
CC
V
REF
SS
SRL, SRH Duty Cycle vs. V
= 12 V
0.5
0
vs. Temperature, V
vs. Temperature, V
0
TC = + 1.25 mV/C
Temperature (°C)
25
Temperature (°C)
V
1.0
EP
50
25
S-80038-Rev. D, 14-Jan-08
Document Number: 73492
(V)
3.6 V = V
75
V
INDET
50
CC
CC
4.8 V
100
= 12 V
1.5
= 12 V
INDET
> V
EP
75
REF
125
150
100
2.0