FAN5640S7X Datasheet, PDF (7/11 Pages) Fairchild Semiconductor – FAN5640 Dual High-Side Constant Current Source for High-Voltage Keypad LED Illumination

Typical Characteristics (Continued)
Unless otherwise noted, C_IN = 4.7µF, V_EN=1.8V, T_A = 25°C, white LED with V_F=3.3V at I_OUT=10mA.
Figure 16. Turn-On at Full Load
Figure 17. Turn-Off at Full Load
Figure 18. Load Transient Response
(V_OUT Low to High)
Figure 19. Load Transient Response
(V_OUT High to Low)
© 2006 Fairchild Semiconductor Corporation
FAN5640 • Rev. 1.0.2
7
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