Diodes AP1681 Manuel d'utilisateur télécharger pdf (Page 9)

Preliminary Datasheet

Off-line Primary Side Regulation Controller for Dimmable LED Driver AP1681

Jul. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)

Figure 10. Current Sense Voltage vs.

Figure 11. CV Feedback Threshold vs.

Ambient Temperature Ambient Temperature

Figure 12. CV Feedback Threshold vs. Figure 13. Over Voltage Protection vs.

Supply Voltage

Ambient Temperature

-40-200 20406080100120

3.8

3.9

4.0

4.1

4.2

4.3

4.4

CV Feedback Threshold (V)

Ambient Temperature (

-40 -20 0 20 40 60 80 100 120

8.0

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

9.0

Over Voltage Protection (V)

Ambient Temperature (

20 22 24 26 28 30

3.6

3.7

3.8

3.9

4.0

4.1

4.2

4.3

CV Feedback Threshold (V)

Supply Voltage (V)

-40 -20 0 20 40 60 80 100 120

470

480

490

500

510

520

530

Current Sense Voltage (mV)

Ambient Temperature (

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

1
Electrical Characteristics 6
Minimal Operating Voltage (V) 7
Current Sense Voltage (mV) 8
Supply Voltage (V) 8
RD Pin Voltage (V) 10
Ambient Temperature ( 10
AP1681 LED Application: 11
Mechanical Dimensions 12

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