LB1946 查看數據表（PDF） - SANYO -> Panasonic

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LB1946

Monolithic Digital IC PWM Current Control Stepping Motor Driver

SANYO -> Panasonic 

AC Electrical Characteristics at VCC = 5V

LB1946

Parameter

Clock frequency

Data setup time

Data hold time

Minimum clock high-level pulse width

Minimum clock low-level pulse width

SET pin stipulated time

SET pin signal pulse width

Symbol

fclk

tDS

tDH

tSCH

tSCL

tlat

tlatw

Conditions

VCC=5.0V

VCC=5.0V

VCC=5.0V

VCC=5.0V

VCC=5.0V

VCC=5.0V

VCC=5.0V

min

0.9

0.9

0.9

0.9

0.9

1.9

Ratings

typ

200

2.5

2.5

2.5

2.5

2.5

5.0

unit

max

550 kHz

µs

µs

µs

µs

µs

µs

fclk

tSCH tSCL

CLK

DATA

SET

tDS tDH

D4

D5

D6

D10

D11

tlat

tlatw

VCC=3.3V Specification

Absolute Maximum Ratings

Parameter

Emitter output voltage

Symbol

VE

Conditions

Ratings

Unit

0.5

V

Allowable Operating Ranges at Ta = 25°C

Parameter

Motor system supply voltage

Logic system supply voltage

Reference voltage

Symbol

VBB

VCC

VREF

Conditions

Ratings

Unit

10 to 45

V

3.0 to 3.6

V

0.0 to 1.0

V

Electrical Characteristics at Ta = 25°C, VCC = 3.3V, VBB = 45V, VREF = 1.0V

Parameter

Output Block

Output stage supply current

Output saturation voltage 1

Output saturation voltage 2

Output saturation voltage 3

Output saturation voltage 4

Output leakage current

Output sustain voltage

*Design guaranteed value

Symbol

Conditions

IBB ON

IBB OFF

VOsat1

VOsat2

VOsat3

VOsat4

IO1 (leak)

IO2 (leak)

VO sus

IO=+1.0A (sink)

IO=+1.5 A (sink)

IO=-1.0 A (source)

IO=-1.5 A (source)

VO=VBB (sink)

VO=0V (source)

L=15mH IO=-1.5A *

min

1.6

1.3

-50

45

Ratings

unit

typ

max

2.4

3.5 mA

1.9

2.5 mA

1.3

1.7

V

1.6

2.0

V

1.9

2.2

V

2.2

2.4

V

50 µA

µA

V

Continued on next page.

No.7115-3/16

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