LB1845_12 datasheet(2/9 Pages) SANYO

部件名	LB1845

功能描述	PWM Current Controlling Stepping Motor Driver

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制造商	SANYO [Sanyo Semicon Device]

网页	https://www.sanyo-av.com/us/

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LB1845

No.5505-2/9

Recommended Operating Ranges at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Motor supply voltage

VBB

10 to 44.5

V

Logic block supply voltage

VCC

4.75 to 5.25

V

Reference voltage

VREF

1.5 to 7.5

V

Electrical Characteristics at Ta = 25

°C, VBB = 38V, VCC = 5V, VREF = 5V

Ratings

Parameter

Symbol

Conditions

min

typ

max

unit

[Output Block]

IBB ON

12

16

Output stage supply current

IBB OFF

0.7

0.9

mA

VO(sat)1

IO = +1.0A Sink

1.2

1.4

VO(sat)2

IO = +1.5A Sink

1.4

1.7

VO(sat)3

IO = -1.0A Source

1.1

1.3

Output saturation voltage 1

VO(sat)4

IO = -1.5A Source

1.3

1.6

V

IO(leak)1

VO = VBB Sink

50

Output leakage current

IO(leak)2

VO = 0V Source

-50

µA

Sustained output voltage

V(sus)

*

45

V

[Logic Block]

ICC ON

I0 = 0.8V, I1 = 0.8V

19.5

25.3

Logic supply current

ICC OFF

I0 = 2.4V, I1 = 2.4V

15.5

20.1

mA

VIH

2.4

Input voltage

VIL

0.8

V

IIH

VIH = 2.4V

10

Input current

IIL

VIL = 0.8V

-10

µA

I0 = 0.8V, I1 = 0.8V

9.5

10

10.5

I0 = 2.4V, I1 = 0.8V

13.5

15

16.5

Current control threshold voltage

VREF/VSENSE

I0 = 0.8V, I1 = 2.4V

25.5

30

34.5

Thermal shutdown temperature

TS

170

°C

* Note: Design guaranteed value.

Package Dimensions

unit: mm (typ)

3147C

SANYO : DIP28H(500mil)

1

14

28

15

0.6

26.75

20.0

R1.7

(1.81)

1.78

1.0

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