Datasheet SP6690 (Sipex) - 7
| 制造商 | Sipex |
| 描述 | Micro Power Boost Regulator Series White LED Driver |
| 页数 / 页 | 15 / 7 — PERFORMANCE CHARACTERISTICS. Quiescent Current (uA). Shutdown Pin Current … |
| 文件格式/大小 | PDF / 384 Kb |
| 文件语言 | 英语 |
PERFORMANCE CHARACTERISTICS. Quiescent Current (uA). Shutdown Pin Current (µA). Input Voltage (V)
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PERFORMANCE CHARACTERISTICS
Refer to the typical application circuit, TAMB = 25°C, unless otherwise specified. 25 10 20 8 15 6 10 4
Quiescent Current (uA)
Tamb=-25C 5 Tamb=25C 2
Shutdown Pin Current (µA)
Tamb=85C 0 0 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4
Input Voltage (V) Input Voltage (V) Figure 13. Quiescent Current IQ vs. VIN Figure 14. Shutdown Pin Current vs. VIN
600 400 500 350 300 400 250
oltage (mV)
300 200 200 150
Ipk Current Limit (mA)
100 100 50
Switch Saturation V
0 0 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 -30 -10 10 30 50 70 90
Input Voltage (V) Temperature (°C) Figure 15. IPK Current Limit vs. VIN Figure 16. Switch Saturation Voltage VCESAT vs. Temperature (ISW = 350mA)
20 1.25 16 1.24 1.23 12
oltage (V)
1.22 8 1.21
Feedback V
4
verage Output Current (mA) A
1.20 0 -30 -10 10 30 50 70 90 0 20 40 60 80 100
Temperature (°C) PWM Duty Cycle (%) 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)
Date: 08/31/09 SP6690 Micro Power Boost Regulator, Series White LED Driver © Copyright 2005 Sipex Corporation 7
Refer to the typical application circuit, TAMB = 25°C, unless otherwise specified. 25 10 20 8 15 6 10 4
Quiescent Current (uA)
Tamb=-25C 5 Tamb=25C 2
Shutdown Pin Current (µA)
Tamb=85C 0 0 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4
Input Voltage (V) Input Voltage (V) Figure 13. Quiescent Current IQ vs. VIN Figure 14. Shutdown Pin Current vs. VIN
600 400 500 350 300 400 250
oltage (mV)
300 200 200 150
Ipk Current Limit (mA)
100 100 50
Switch Saturation V
0 0 1.2 1.8 2.4 3 3.6 4.2 4.8 5.4 -30 -10 10 30 50 70 90
Input Voltage (V) Temperature (°C) Figure 15. IPK Current Limit vs. VIN Figure 16. Switch Saturation Voltage VCESAT vs. Temperature (ISW = 350mA)
20 1.25 16 1.24 1.23 12
oltage (V)
1.22 8 1.21
Feedback V
4
verage Output Current (mA) A
1.20 0 -30 -10 10 30 50 70 90 0 20 40 60 80 100
Temperature (°C) PWM Duty Cycle (%) 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)
Date: 08/31/09 SP6690 Micro Power Boost Regulator, Series White LED Driver © Copyright 2005 Sipex Corporation 7