LB11685AV

No.A1772-2/7

Recommended Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended Supply voltage

VCC

12.0

V

Operating supply voltage

VCC op

4.5 or 18.0

V

Electrical Characteristics at Ta

= 25°C, VCC = 5.0V

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Supply current

ICC

FC1 = FC2 = 0V

5

10

20

mA

Internal regulate voltage

VREG

3.0

3.3

3.6

V

Output voltage (source)

VOSOUR

IO = 0.8A *3

1.3

1.7

V

Output voltage (sink)

VOSINK

IO = 0.8A *3

0.5

1.3

V

Current limiter

VOLIM

0.268

0.300

0.332

V

MCOM pin

common-input voltage range

VINCOM

0

VCC - 2

V

MCOM pin

Source current for hysteresis

ICOM+

MCOM = 7V

30

80

μA

MCOM pin

Sink current for hysteresis

ICOM-

MCOM = 7V

30

80

μA

MCOM pin

hysteresis current ratio

RTCOM

RTCOM = ICOM+ / ICOM-

0.6

1.4

VCO input bias current

IVCO

VCO = 2.3V

0.2

μA

VCO oscillation minimum

frequency

fVCOmin

VCO = 2.1V, CX = 0.015μF

Design target *2

930

Hz

VCO oscillation maximum

frequency

fVCOmax

VCO = 2.7V, CX = 0.015μF

Design target *2

8.6

kHz

CX charge / discharge current

ICX

VCO = 2.5V, CX = 1.6V

70

100

140

μA

CX hysteresis voltage

ΔVCX

0.35

0.55

0.75

C1 (C2) charge current

IC1(2)+

VCO = 2.5V, C1(2) = 1.3V

12

20

28

μA

C1 (C2) discharge current

IC1(2)-

VCO = 2.5V, C1(2) = 1.3V

12

20

28

μA

C1 (C2) charge / discharge

current ratio

RTC1(2)

RTC1(2) = IC1(2)+ / IC1(2)-

0.8

1.0

1.2

C1/C2 charge current ratio

RTCCHG

RTCCHG = IC1+ / IC2+

0.8

1.0

1.2

C1/C2 discharge current ratio

RTCDIS

RTCDIS = IC1- / IC2-

0.8

1.0

1.2

C1 (C2) cramp voltage width

VCW1(2)

1.0

1.3

1.6

V

FG output low level voltage

VFGL

IFG = 3mA

0.5

V

RD output low level voltage

VRDL

IRD = 3mA

0.5

v

Thermal shut down operating

temperature *1

TTSD

Junction temperature

Design target *2

150

180

°C

Thermal shut down hysteresis

temperature *1

ΔTTSD

Junction temperature

Design target *2

15

°C

*1: The thermal shut down circuit is built-in for protection from damage of IC. But its operation is out of Topr. Design thermal calculation at normal operation.

*2: Design target value and no measurement is made.

*3: The IO is a peak value of motor-current.