SP6690 datasheet(7/16 Pages) SIPEX

7 / 16 page

Date: 05/25/04

SP6690 Micro Power Boost Regualtor, Series White LED Driver

1.2

1.8

2.4

3.6

4.2

4.8

5.4

Input Voltage (V)

Tamb=-25C

Tamb=25C

Tamb=85C

1.2

1.8

2.4

3.6

4.2

4.8

5.4

Input Voltage (V)

100

200

300

400

500

600

1.2

1.8

2.4

3.6

4.2

4.8

5.4

Input Voltage (V)

100

150

200

250

300

350

400

-30

-10

Temperature (°C)

1.20

1.21

1.22

1.23

1.24

1.25

-30

-10

Temperature (°C)

020

6080

100

PWM Duty Cycle (%)

PERFORMANCE CHARACTERISTICS: Continued

Refer to the typical application circuit, TAMB = 25°C, unless otherwise specified.

Figure 13. Quiescent Current IQ vs. VIN

Figure 14. Shutdown Pin Current vs. VIN

Figure 15. IPK Current Limit vs. VIN

Figure 16. Switch Saturation Voltage VCESAT vs.

Temperature (ISW = 350mA)

Figure 17. Feedback Voltage vs. Temperature

Figure 18. Average IO vs. SHDN Duty Cycle (VIN=3.3V,

Standard 4x20mA WLED Evaluation Board, PWM

Frequency 100Hz)

SP6690 데이터시트(PDF) 7 Page - Sipex Corporation

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