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SP6691ER Datasheet(PDF) 6 Page - Sipex Corporation

Part # SP6691ER
Description  SOT23Micro Power Boost Regulator Series White LED Driver
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6691ER Datasheet(HTML) 6 Page - Sipex Corporation

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6
Jun26-07 Rev D
Micro Power Boost Regulator Series White LED Driver
© 2007 Sipex Corporation
PERFORMANCE CHARACTERISTICS
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 17. Feedback Voltage vs. Temperature
0
5
10
15
20
25
1.2
1.8
2.4
3
3.6
4.2
4.8
5.4
Input Voltage (V)
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)
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)
1.20
1.21
1.22
1.23
1.24
1.25
-30
-10
10
30
50
70
90
Temperature (C)
Figure 16. Switch Saturation Voltage VCESAT vs.
Temperature (ISW = 450mA)
Figure 18. Average IO vs. SHDN Duty Cycle (VIN=3.3V,
Standard 4x20mA WLED Evaluation Board, PWM
Frequency 100Hz
0
50
100
150
200
250
300
350
400
-30
-10
10
30
50
70
90
Temperature (C)
0
4
8
12
16
20
0
20
40
60
80
100
PWM Duty Cycle (%)


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