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

VBAT

ENABLE

VMAIN

PORB

VAUXEN

VMAINreg – 0.15 V

VMAINreg

+ ǒ Ǔ TPOR

1.22

0.5

Cpor RIref

tPORC

Figure 2. Startup Timing

VBAT

LOWBAT Threshold

LOWBATB

VMAIN

ENABLE

PORB

Figure 3. Power Down Timing

VMAINreg – 0.5 V

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