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ADUM3471ARSZ Datasheet(PDF) 23 Page - Analog Devices

Part # ADUM3471ARSZ
Description  PWM Controller and Transformer Driver with Quad-Channel Isolators
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADUM3471ARSZ Datasheet(HTML) 23 Page - Analog Devices

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



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