參數(shù)資料
型號： SP6690EU
英文描述： Evaluation Board Manual
中文描述： 評估板手冊
文件頁數(shù)： 7/16頁
文件大?。?/td> 270K
代理商： SP6690EU
7
Date: 05/25/04
SP6690 Micro Power Boost Regualtor, Series White LED Driver Copyright 2004 Sipex Corporation
0
5
10
15
20
25
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
Q
Tamb=-25C
Tamb=25C
Tamb=85C
0
2
4
6
8
10
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
S
0
100
200
300
400
500
600
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
I
0
50
100
150
200
250
300
350
400
-30
-10
10
30
50
70
90
Temperature (°C)
S
1.20
1.21
1.22
1.23
1.24
1.25
-30
-10
10
30
50
70
90
Temperature (°C)
F
0
4
8
12
16
20
0
20
40
60
80
100
PWM Duty Cycle (%)
A
PERFORMANCE CHARACTERISTICS: Continued
Refer to the typical application circuit, T
AMB
= 25
°
C, unless otherwise specified.
Figure 13. Quiescent Current I
Q
vs. V
IN
Figure 14. Shutdown Pin Current vs. V
IN
Figure 15. I
PK
Current Limit vs. V
IN
Figure 16. Switch Saturation Voltage V
CESAT
vs.
Temperature (I
SW
= 350mA)
Figure 17. Feedback Voltage vs. Temperature
Figure 18. Average I
O
vs. SHDN Duty Cycle (V
IN
=3.3V,
Standard 4x20mA WLED Evaluation Board, PWM
Frequency 100Hz)
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