Diodes AP3988/89/90 Manuel d'utilisateur télécharger pdf (Page 6)

AP3988/89/90

Document number: DS36722 Rev. 3 - 2

6 of 13

www.diodes.com

March 2014

AP3988/89/90

A Product Line of

Diodes Incorporated

NEW PROD UCT

-40 -20 0 20 40 60 80 100 120

4.5

5.0

5.5

6.0

6.5

Turn-off Voltage (V)

Ambient Temperature (

125

-40 -20 0 20 40 60 80 100 120

500

550

600

650

700

750

Operating Current (

A)

Ambient Temperature (

125

Performance Characteristics

Turn-on Voltage vs. Ambient Temperature Turn-off Voltage vs. Ambient Temperature

Operating Current vs. Ambient Temperature

Operation Description

FB1

FB2

GND

AP3988/89/90

AUX

OUT

AUX

CPC

bulk

Figure 1. Simplified Flyback Converter Controlled by AP3988/89/90

-40 -20 0 20 40 60 80 100 120

14.2

14.3

14.4

14.5

14.6

14.7

14.8

Turn on Voltage (V)

Ambient Temperature (

1 2 3 4 5 6 7 8 9 10 11 12 13

A Product Line of 2
Diodes Incorporated 2
Constant Voltage Operation 7
AP3988/89/90 11
NEW PROD UCT 11

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Diodes AP3988/89/90 Manuel d'utilisateur Page 6

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