adum3471 Analog Devices, Inc., adum3471 Datasheet - Page 20

• Manufacturer Part Number: adum3471
• Description: Pwm Controller And Transformer Driver With Quad-channel Isolators Adum3470/adum3471/adum3472/adum3473/adum3474
• Manufacturer: Analog Devices, Inc.

ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474
Figure 17. Double-Supply Efficiency with Coilcraft Transformer at 500 kHz f
Figure 15. 5 V In to 15 V Out Efficiency at Various Switching Frequencies with
Figure 16. 5 V In to 15 V Out Efficiency over Temperature with Coilcraft
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
0
0
0
0
10
10
10
20
20
20
30
30
30
Transformer at 500 kHz f
40
40
40
Halo Transformer
LOAD CURRENT (mA)
LOAD CURRENT (mA)
50
50
50
LOAD CURRENT (mA)
60
60
60
70
70
70
80
80
80
90 100 110 120 130
90 100 110 120 130
90 100 110 120 130
5V IN TO 15V OUT
5V IN TO 12V OUT
SW
1MHz
700kHz
500kHz
200kHz
–40°C
25°C
105°C
140
140
140
Rev. 0 | Page 20 of 32
SW
Figure 19. Typical Single-Supply I
Figure 20. Typical Single-Supply I
Figure 18. Typical Single-Supply I
15
10
15
10
5
0
5
0
5
4
3
2
1
0
0
0
0
5
5
5
Channel (15 pF Output Load)
Channel (15 pF Output Load)
(15 pF Output Load)
DATA RATE (Mbps)
DATA RATE (Mbps)
DATA RATE (Mbps)
CH
10
10
10
ISO (D)
Supply Current per Reverse Data Channel
CH
Dynamic Supply Current per Output
Supply Current per Forward Data
15
15
V
V
V
15
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 5V, V
= 5V, V
= 3.3V, V
= 5V, V
= 5V, V
= 3.3V, V
= 5V, V
= 5V, V
= 3.3V, V
ISO
ISO
ISO
ISO
ISO
ISO
20
20
20
ISO
ISO
ISO
= 5V
= 3.3V
= 5V
= 3.3V
= 5V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
2
2
2
5
5
5