FAN8048 查看數據表（PDF） - Fairchild Semiconductor

零件编号

产品描述 (功能)

比赛名单

FAN8048

2 DC-DC Converter & 4-CH PWM Motor IC

Fairchild Semiconductor 

FAN8048

Start

SYSON

SYSOFF

VG Converter

Wake-up

Yes

No

VG > 3.9V

Yes

DC-DC Converter 1

Wake-up

Yes

No

VSYS1 > 1.35V

Yes

DC-DC Converter 2

Wake-up

Yes

No

VSYS2 > 1.35V

Start-up Mode

Yes

No

VSYS1 > 1.84V

Yes

Yes

No

SYSON = LOW

EA1O < 1.35V

Time < Tsprt

Yes

SYSTEM READY

No

Normal Mode

SYSTEM OFF

Figure 4. Flow Chart of Power Sequence

12

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