LV8702V

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3

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Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Current

selection

reference

voltage level

quarter step

Vtdac0_W

Step0 (initial status, 1ch comparator level)

290

300

310

mV

Vtdac1_W

Step1 (initial + 1)

264

276

288

mV

Vtdac2_W

Step2 (initial + 2)

199

210

221

mV

Vtdac3_W

Step3 (initial + 3)

106

114

122

mV

half step

Vtdac0_H

Step0 (initial status, 1ch comparator level)

290

300

310

mV

Vtdac2_H

Step2 (initial + 1)

199

210

221

mV

half step

(full-torque)

Vtdac0_HF

Step0 (initial status, 1ch comparator level)

290

300

310

mV

Vtdac2’_HF

Step2’ (initial + 1)

290

300

310

mV

full step

Vtdac2’_F

Step2’ (initial status, 1ch comparator level)

290

300

310

mV

Chopping frequency

Fchop

Cchop = 200pF

35

50

65

kHz

CHOP pin charge/discharge

current

Ichop

7

10

13

A

Chopping oscillator circuit

threshold voltage

Vtup

0.8

1

1.2

V

Vtdown

0.4

0.5

0.6

V

VREF pin input current

Iref

VREF = 1.5V

0.5

A

DST1, DST2, MONI,

SST pin saturation voltage

Idst1 = Idst2 = Imoni = Isst = 1mA

400

mV

Charge pump

VG output voltage

VG

28

28.7

29.8

V

Rise time

tONG

VG = 0.1

F , Between CP1-CP2 0.1uF

ST=”H” → VG=VM+4V

0.5

mS

Oscillator frequency

Fosc

90

125

160

kHz

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be

indicated by the Electrical Characteristics if operated under different conditions.