SP6691EB Exar Corporation, SP6691EB Datasheet - Page 6

• Manufacturer Part Number: SP6691EB
• Description: Display Modules & Development Tools Micro Pwr Boost Reg White LED Driver
• Manufacturer: Exar Corporation

Specifications of SP6691EB

• Product: Display Modules

Jun26-07 Rev D
Refer to the typical application circuit, T
Figure 13. Quiescent Current I
Figure 15. I
Figure 17. Feedback Voltage vs. Temperature
25
20
15
10
1.25
1.24
1.23
1.22
1.21
1.20
600
500
400
300
200
100
5
0
1.2
0
1.2
-30
PK
1.8
1.8
-10
Current Limit vs. V
2.4
2.4
10
Input Voltage (V)
Input Voltage (V)
Temperature (C)
3
3
30
Q
vs. V
3.6
3.6
Micro Power Boost Regulator Series White LED Driver
IN
50
IN
4.2
4.2
AMB
Tamb=-25C
Tamb=25C
Tamb=85C
= 25°C, unless otherwise specified.
70
4.8
4.8
90
5.4
5.4
6
Figure 16. Switch Saturation Voltage V
Temperature (I
Figure 18. Average I
Standard 4x20mA WLED Evaluation Board, PWM
Frequency 100Hz
Figure 14. Shutdown Pin Current vs. V
PERFORMANCE CHARACTERISTICS
400
350
300
250
200
150
100
20
16
12
10
50
8
4
0
8
6
4
2
0
0
1.2
0
-30
1.8
-10
SW
20
= 450mA)
2.4
O
10
PWM Duty Cycle (%)
vs. SHDN Duty Cycle (V
40
Input Voltage (V)
Temperature (C)
3
30
3.6
60
50
CESAT
4.2
IN
© 2007 Sipex Corporation
80
70
vs.
4.8
IN
=3.3V,
100
90
5.4