FAN8048 查看數據表（PDF） - Fairchild Semiconductor

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FAN8048

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

Fairchild Semiconductor 

FAN8048

Absolute Maximum Ratings (Ta = 25×C)

Parameter

Symbol

Value

Unit

H-bridge driver supply voltage

PVCC

7

V

Predriver supply voltage

VG

12

V

Primary side input voltage of DC-DC converter

VIN

7

V

Output voltage of DC-DC converter1

VSYS1

7

V

Output voltage of DC-DC converter2

VSYS2

7

V

AC adapter supply voltage

VDCIN

12

V

H-bridge driver output current

IO

500

mA

Power dissipation

PD

1.0

W

Operating temperature

TOPR

-30 ~ +85

°C

Stroage temperature

TSTG

-55 ~ +150

°C

Power Dissipation Curve (Air Condition = 0m/S)

PD[W] 1.75

1.5

1.25

1

0.75

0.5

0.25

0

0

SOA

25

50

75

100

125

150

Ambient Temperature [℃]

Notes:

1. When mounted on 2mm × 114.3mm × 1.6mm PCB (FR-4 glass epoxy material).

2. Refer: EIA/ J SED 51-2 and EIA/ J SED 51-3

JSED51-2 : Integrated circuits thermal test method environmental conditions - Natural convection

JSED51-3 : Low effective thermal conductivity test board for leaded surface mount packages

3. Do not exceed PD and SOA(Safe Operating Area).

Recommended Operating Conditions (Ta = 25×C)

Parameter

H-bridge driver supply voltage

Power supply of DC-DC converter

Output voltage of DC-DC converter1

Output voltage of DC-DC converter2

AC adaptor supply voltage

Symbol

PVCC

VIN

VSYS1

VSYS2

DCIN

Min.

1.2

1.8

2.0

1.6

5.0

Typ.

2.4

2.4

-

-

7.0

Max.

4.5

4.5

3.6

VSYS1

10.0

Unit

V

V

V

V

V

6

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