LB1946 datasheet(3/16 Pages) ONSEMI

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LB1946

No.7115-3/16

AC Electrical Characteristics at VCC = 5V

Ratings

Parameter

Symbol

Conditions

min

typ

max

unit

Clock frequency

fclk

VCC=5.0V

200

550

kHz

Data setup time

tDS

VCC=5.0V

0.9

2.5

μs

Data hold time

tDH

VCC=5.0V

0.9

2.5

μs

Minimum clock high-level pulse width

tSCH

VCC=5.0V

0.9

2.5

μs

Minimum clock low-level pulse width

tSCL

VCC=5.0V

0.9

2.5

μs

SET pin stipulated time

tlat

VCC=5.0V

0.9

2.5

μs

SET pin signal pulse width

tlatw

VCC=5.0V

1.9

5.0

μs

VCC=3.3V Specification

Absolute Maximum Ratings

Parameter

Symbol

Conditions

Ratings

Unit

Emitter output voltage

0.5

Allowable Operating Ranges at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Motor system supply voltage

VBB

10 to 45

Logic system supply voltage

VCC

3.0 to 3.6

Reference voltage

VREF

0.0 to 1.0

Electrical Characteristics at Ta = 25

°C, VCC = 3.3V, VBB = 45V, VREF = 1.0V

Ratings

Parameter

Symbol

Conditions

min

typ

max

unit

Output Block

IBB ON

1.6

2.4

3.5

Output stage supply current

IBB OFF

1.3

1.9

2.5

Output saturation voltage 1

VOsat1

IO=+1.0A (sink)

1.3

1.7

Output saturation voltage 2

VOsat2

IO=+1.5 A (sink)

1.6

2.0

Output saturation voltage 3

VOsat3

IO=-1.0 A (source)

1.9

2.2

Output saturation voltage 4

VOsat4

IO=-1.5 A (source)

2.2

2.4

IO1 (leak)

VO=VBB (sink)

μA

Output leakage current

IO2 (leak)

VO=0V (source)

-50

μA

Output sustain voltage

VO sus

L=15mH IO=-1.5A *

*Design guaranteed value

Continued on next page.

CLK

SET

D10

D11

tDS tDH

tSCL

tSCH

tlat

fclk

tlatw

DATA

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