Diodes AP3031 Manuel d'utilisateur télécharger pdf (Page 8)

Data Sheet

Dec. 2012 Rev. 1. 6 BCD Semiconductor Manufacturing Limited

WHITE LED STEP-UP CONVERTER AP3031

Figure 13.

OVP Voltage vs. Temperature

Typical Performance Characteristics (Continued)

Figure 12. Frequency vs. Temperature

Figure 14. Frequency vs. Input Voltage

Figure 15. Switch Current Limit vs. Duty Cycle

(WLED forward voltage (V

)=3.2V at I

=20mA, unless otherwise noted.)

-60 -40 -20 0 20 40 60 80 100 120 140

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

Frequency (MHz)

Temperature (

-60 -40 -20 0 20 40 60 80 100 120 140

OVP Voltage (V)

Temperature (

2 4 6 8 1012141618

0.70

0.75

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

Frequency (MHz)

Input Voltage (V)

10 20 30 40 50 60 70 80 90

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

Switch Current Limit (A)

Duty Cycle (%)

=-40

=25

=85

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 16 17

Pin Description 2
Pin Configuration 2
Functional Block Diagram 3
Ordering Information 3
Electrical Characteristics 5
×13 LEDs, I 10
Data Sheet 11
Typical Application 12
(Continued) 13
Mechanical Dimensions 14
SOT-23-6 Unit: mm(inch) 14
TSOT-23-6 Unit: mm(inch) 15
SOIC-8 Unit: mm(inch) 16

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