MC34280 Просмотр технического описания (PDF) - ON Semiconductor

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MC34280

Power Supply & Management IC for Handheld Electronic Products

ON Semiconductor 

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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