MC34280 Datasheet, PDF (4/20 Pages) ON Semiconductor – Power Supply & Management IC for Handheld Electronic Products

MC34280
TIMING DIAGRAMS (Con’t)
VAUXCON
Total N Pulses
Total M Pulses
VAUXADJ
+ @ DV
N
64
1.1 V
VAUXREF
1.1 V
“Countup”
Flag is HIGH
“Countup”
Flag is LOW
+ @ DV
M
64
1.1 V
2.2 V
1.65 V
Reset
VAUXREF
Figure 4. Auxiliary Regulator Voltage Control
tCW
tCL
tCC
tDL
VAUXCON
tJC
tJL
VAUXADJ
tDW
tJW
Figure 5. Auxiliary Regulator Voltage Control Timing
tRJL
tRW
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