adum3471 Analog Devices, Inc., adum3471 Datasheet - Page 23

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

Figure 33. Typical V
Figure 35. Typical V
Figure 34. Typical V
5.04
5.02
5.00
4.98
3.34
3.32
3.30
3.28
200
100
18
16
14
12
18
16
14
12
20
10
20
10
0
0
0
–2
–2
–2
C
C
OUT
OUT
0
= 47µF, L1 = 100µH, L2 = 100µH
ISO
= 47µF, L1 = 47µH, L2 = 47µH
90% of 100 mA Load at 500 kHz f
ISO
10% LOAD
ISO
Load Transient Response 5 V In to 15 V Out at 10% to
Output Ripple 5 V In to 3.3 V Out at 400 mA Load at
Output Ripple 5 V In to 5 V Out at 400 mA Load at
–1
X1 ON
–1
2
4
X1 ON
500 kHz f
500 kHz f
TIME (ms)
TIME (µs)
TIME (µs)
6
0
0
X2 ON
SW
SW
90% LOAD
8
X2 ON
10
SW
1
1
ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474
12
14
2
2
Rev. 0 | Page 23 of 32
Figure 36. Typical V
Figure 37. Typical V
3.34
3.32
3.30
3.28
15.4
15.2
15.0
14.8
14.6
20
10
20
10
0
0
–2
–2
ISO
ISO
Output Ripple 3.3 V In to 3.3 V Out at 250 mA Load at
Output Ripple 5 V In to 15 V Out at 100 mA Load at
–1
–1
500 kHz f
500 kHz f
X1 ON
X1 ON
TIME (µs)
TIME (µs)
0
0
SW
SW
X2 ON
X2 ON
1
1
2
2