SP6690ER データシートの表示（PDF） - Signal Processing Technologies
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SP6690ER Datasheet PDF : 16 Pages
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PERFORMANCE CHARACTERISTICS: Continued
Refer to the typical application circuit, TAMB = 25°C, unless otherwise specified.
25
20
15
10
Tamb=-25C
5
Tamb=25C
Tamb=85C
0
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
Figure 13. Quiescent Current IQ vs. VIN
10
8
6
4
2
0
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
Figure 14. Shutdown Pin Current vs. VIN
600
500
400
300
200
100
0
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
Figure 15. IPK Current Limit vs. VIN
1.25
1.24
1.23
1.22
1.21
1.20
-30
-10
10
30
50
70
90
Temperature (°C)
Figure 17. Feedback Voltage vs. Temperature
400
350
300
250
200
150
100
50
0
-30
-10
10
30
50
70
90
Temperature (°C)
Figure 16. Switch Saturation Voltage VCESAT vs.
Temperature (ISW = 350mA)
20
16
12
8
4
0
0
20
40
60
80
100
PWM Duty Cycle (%)
Figure 18. Average IO vs. SHDN Duty Cycle (VIN=3.3V,
Standard 4x20mA WLED Evaluation Board, PWM
Frequency 100Hz)
Date: 05/25/04
SP6690 Micro Power Boost Regualtor, Series White LED Driver
7
© Copyright 2004 Sipex Corporation
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