?2008 Fairchild Semiconductor Corporation
 
www.fairchildsemi.com
FAN9612 " Rev. 1.1.7
29
Typical Performance Characteristics  Control
Typical characteristics are provided at T
A
= 25癈 and V
DD
= 12 V unless otherwise noted.
 
Figure 47. Phase-Control Thresholds vs. Temperature
 
 
 
Figure 48. Phase-Dropping Operation
Figure 49. Phase-Adding Operation
 
 
 
Gate Drive 1
Gate Drive 2
Inductor Current 1
Inductor Current 2
Gate Drive 1
Gate Drive 2
Inductor Current 1
Inductor Current 2
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