LB1847 datasheet(3/16 Pages) SANYO

Part #	LB1847

Description	PWM Current Control Type Stepping Motor Driver

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Manufacturer	SANYO [Sanyo Semicon Device]

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

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3 / 16 page

LB1847

No. 5982-3/16

Electrical Characteristics at Ta = 25

°C, V

BB = 45V, VCC = 5V, VREF = 1.52V

min

typ

max

[Output Block]

Output stage supply voltage

2.3

3.5

5.0

mA

0.5

0.8

1.1

mA

Output saturation voltage

1.2

1.6

V

1.5

1.9

V

1.9

2.2

V

2.2

2.4

V

Output leak current

50

µA

–50

µA

Output sustain voltage

45

V

[Logic Block]

Logic supply voltage

19.5

26

36.5

mA

ENABLE=3.2V

10.5

15

19.5

mA

Input voltage

3.2

V

0.8

V

Input current

100

µA

–10

µA

Sensing voltage

0.470

0.525

V

0.445

0.48

0.505

V

0.425

0.46

0.485

V

0.410

0.43

0.465

V

0.385

0.41

0.435

V

0.365

0.39

0.415

V

0.345

0.37

0.385

V

0.325

0.35

0.365

V

0.280

0.3

0.325

V

0.240

0.26

0.285

V

0.195

0.22

0.235

V

0.155

0.17

0.190

V

0.115

0.13

0.145

V

0.075

0.09

V

Reference current

–0.5

µA

CR pin current

CR=1.0V

–4.6

–1.0

mA

MD pin current

MD=1.0V, CR=4.0V

–5.0

µA

DECAY pin current Low

–10

µA

DECAY pin current High

5

µA

Thermal shutdown temperature

TSD

170

°C

Logic ON voltage

3.35

3.65

3.95

V

Logic OFF voltage

3.20

3.50

3.80

V

0.065

0.15

0.23

V

Ratings

Parameter

Symbol

Conditions

Unit

0.50

0.190

0.30

0.100

LVSD hysteresis width

IBB ON

IBB OFF

VO(sat)1

VO(sat)2

VO(sat)3

VO(sat)4

IO(leak)1

IO(leak)2

VSUS

IO=+1.0A, sink

IO=+1.5A, sink

IO=–1.0A, source

IO=–1.5A, source

VO=VBB, sink

VO=0V, source

L=15 mH, IO=1.5A, Guaranteed design value

ICC ON

ICC OFF

VIH

VIL

IIH

IIL

VIH=3.2V

VIL=0.8V

I4=3.2V, I3=3.2V, I2=3.2V, I1=3.2V

I4=3.2V, I3=3.2V, I2=3.2V, I1=0.8V

I4=3.2V, I3=3.2V, I2=0.8V, I1=3.2V

I4=3.2V, I3=3.2V, I2=0.8V, I1=0.8V

I4=3.2V, I3=0.8V, I2=3.2V, I1=3.2V

I4=3.2V, I3=0.8V, I2=3.2V, I1=0.8V

I4=3.2V, I3=0.8V, I2=0.8V, I1=3.2V

I4=3.2V, I3=0.8V, I2=0.8V, I1=0.8V

I4=0.8V, I3=3.2V, I2=3.2V, I1=3.2V

I4=0.8V, I3=3.2V, I2=3.2V, I1=0.8V

I4=0.8V, I3=3.2V, I2=0.8V, I1=3.2V

I4=0.8V, I3=3.2V, I2=0.8V, I1=0.8V

I4=0.8V, I3=0.8V, I2=3.2V, I1=3.2V

I4=0.8V, I3=0.8V, I2=3.2V, I1=0.8V

VE

IREF

ICR

IDECL

IMD

LVSD1

IDECH

∆L

VSD

LVSD2

VREF=1.5V

VDEC=0.8V

VDEC=3.2V

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