FAN8048 データシートの表示（PDF） - Fairchild Semiconductor

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FAN8048

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

Fairchild Semiconductor 

FAN8048

Electrical characteristics (Continued)

(PVCC=VIN=2.4V, VSYS1=VSYS2=2.7V, VG=7.0V, DCIN=0V, CPCT=470pF, Ta=25°C,unless otherwise specifid)

Parameter

Symbol

Conditions

(CH2,3,4)

Out on Resistance

RON

Top + bottom switches

Input Resistance

RIN

-

High level Input voltage

VIH

-

Low level Input voltage

VIL

-

Rising Time (Note1)

TRISE

-

Falling Time (Note1)

TFALL

-

Minimum Pulse Width (Note1)

TMIN

-

CONTROL INPUT

Mute input high voltage

VMUTEH

-

Mute input low voltage

VMUTEL

-

REGULATOR AND CHARGER PART

Regulator output voltage

VVIN DCIN=6.5V, Ivin1=200mA

Line regulation of regulator

∆Vdc DCIN=5V → 7V, Ivin1=200mA

Load regulation of regulator

∆Vrl Ivin1=0 → 200mA

CHGON Current

Ichon

-

Constant Charge Current

Ichg Rs=1.1Ω

CHGSW-on high voltage

VCHGSWH

-

CHGSW-on low voltage

VCHGSWL

-

THERMAL SHUT DOWN

Operating temperature (Note1)

TSD

-

Thermal hysteresis (Note1)

THYS

-

Min. Typ. Max. Unit

-

2.0

3.0

Ω

-

30

-

KΩ

2.2

-

-

V

-

-

0.5

V

-

0.2

-

µs

-

0.2

-

µs

-

300

-

ns

2.2

-

-

V

-

-

0.5

V

3.7

4.0

4.3

V

-50

0

50 mV

-40

0

10 mV

15

-

-

mA

400 450 500 mA

2.0

-

-

V

-

-

0.5

V

-

150

-

°C

-

20

-

°C

Notes:

1. Design reference value

9

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