LB1668 datasheet(2/8 Pages) SANYO

Part #	LB1668

Description	Two-Phase Unipolar Drive Brushless Motor Drivers

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Manufacturer	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

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2 / 8 page

No. 4944-2/8

LB1668, LB1668M, LB1667, LB1667M

Parameter

Symbol

Conditions

Ratings

Unit

Input current range

ICC

6.0 to 50

mA

Common-mode input voltage range

VICM

0 to VIN –1.5

V

Allowable Operating Ranges at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Output limit voltage

VOLM1

Z1, Z2 open

54

57

60

V

VOLM2

Z1, Z2 short

31

33

35

V

Vosat1

IO = 0.5 A

0.95

1.2

V

Output saturation voltage

Vosat2

IO = 1.0 A

1.15

1.5

V

Vosat3

IO = 1.5 A

1.4

2.0

V

VIN voltage

VIN

ICC = 7.0 mA

6.4

6.7

7.0

V

Amplifier input offset voltage

VOFF

–7.0

0

+7.0

mV

Amplifier input bias current

IBA

–250

nA

RD output saturation voltage

VRDsat

IRD = 5 mA*

0.1

0.3

V

FG output saturation voltage

VFG sat

IFG = 5 mA*

0.1

0.3

V

C outflow current

IC1

2.1

3.0

3.9

μA

C discharge current

IC2

0.31

0.44

0.59

μA

Comparator input threshold voltage

VTH1

0.77

0.8VIN

0.83

V

VTH2

0.42

0.45VIN

0.48

V

Thermal shutdown current operating temperature

TSD

Design target value

180

°C

Thermal shutdown circuit hysteresis

ΔTSD

Design target value

40

°C

Electrical Characteristics at Ta = 25°C, ICC = 10 mA

Parameter

Symbol

Conditions

Ratings

Unit

Maximum input current

ICC max

t

≤ 20 ms

200

mA

Output voltage

VOUT

Internal

V

Output current

IOUT

1.5

A

Output minus current

IOM

–50

mA

RD/FG influx current

IRD/IFG

10

mA

RD/FG voltage

VRD/VFG

30

V

LB1667M, 1668M: Mounted on a printed circuit board

0.8

W

Allowable power dissipation

Pd max

(20

× 15 × 1.5 mm3, glass epoxy)

LB1667, 1668

1.1

W

Operating temperature

Topr

–30 to +80

°C

Storage temperature

Tstg

–55 to +150

°C

Specifications

Absolute Maximum Ratings at Ta = 25°C

Note: * RD output: LB1668/M, FG output: LB1667/M

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