ISL29102 Datasheet, PDF (6/9 Pages) Intersil Corporation – Low Power Ambient Light-to-Voltage Non-Linear Converter

ISL29102
Typical Performance Curves (Continued)
1.10
1.00
V_DD = 3V
R_EXT = 10MΩ
NO LOAD
0.90
0.80
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
FIGURE 12. SUPPLY CURRENT vs TEMPERATURE AT 0 LUX
1.20
V_DD = 3V
1.15 FLUORESCENT LIGHT
1.10
1.05
1000 Lux
1.00
0.95
300 Lux
0.90
0.85
0.80
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
FIGURE 13. NORMALIZED OUTPUT VOLTAGE vs
TEMPERATURE
13
V_DD = 3V
11 ^{FLUORESCENT LIGHT}
1000 Lux
7
9
5
300 Lux
3 R_EXT = 100kΩ
NO LOAD
1
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
FIGURE 14. SUPPLY CURRENT vs TEMPERATURE
1.010
FLUORESCENT LIGHT
1000 Lux
1.005
1.000
0.995
0.990
1.5
V_DD = 3V
R_EXT = 100kΩ
2.0
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE (V)
FIGURE 15. NORMALIZED OUTPUT VOLTAGE vs SUPPLY
VOLTAGE
9.6
FLUORESCENT LIGHT
1000 Lux
9.4
9.2
9.0
1.5
R_EXT = 100kΩ
NO LOAD
2.0
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE (V)
FIGURE 16. SUPPLY CURRENT vs SUPPLY VOLTAGE
LIGHT INTENSITY
V_DD = 3V, R_EXT = 100kΩ
LIGHT INTENSITY RISES FROM 0 LUX TO 300 LUX
AND FALLS FROM 300 LUX TO 0 LUX WITH WHITE LED
V_OUT
0V
FIGURE 17. TRANSIENT RESPONSE OF ISL29102 TO
CHANGE IN LIGHT INTENSITY
6
FN6483.1
July 15, 2010