SM8143 datasheet(4/6 Pages) NPC

4 / 6 page

SM8143A

NIPPON PRECISION CIRCUITS—4

DC Characteristics

VDD = 3.0 V, Ta = 25 °C unless otherwise noted.

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Supply voltage

V DD

1.6

3.0

5.5

CHV output voltage

V CHV

0.5

–

1 0 0

OUT1, OUT2 HIGH-level output voltage

V OUTH

–

100

OUT1, OUT2 LOW -level output voltage

V OUTL

–

0.5

LDR output resistance

R LDR

ILDR = 50 mA

–

3.5

5.25

Ω

OCE oscillator frequency

fOCE1

R OCE = 180 kΩ

205

256

307

kHz

OCE oscillator frequency range

fOCE2

–

1536

OCL oscillator frequency

fOCL1

R OCL = 180 kΩ

205

256

307

kHz

OCL oscillator frequency range

fOCL2

–

1536

OUT1, OUT2 output frequency

fOUT1

R OCE = 180 kΩ

200

250

300

OUT1, OUT2 output frequency range

fOUT2

–

1500

LDR inductance driver frequency

fLDR1

R OCL = 180 kΩ

kHz

LDR inductance driver frequency range

fLDR2

–

384

ENA HIGH-level input voltage

V ENAH

ENA = HIGH, V DD = 1.6 to 5.5V

V DD – 0.5

–

V DD + 0.3

ENA LO W -level input voltage

V ENAL

ENA = LOW , V DD = 1.6 to 5.5V

V SS – 0.3

–

V SS + 0.5

ENA input current

IENAH

V ENAH = V DD = 3.0V

2.0

4.0

6.0

µA

ENA r ise time1

tENA

–

100

µs

Operating current

IDD1

Excluding coil current

–

1.0

m A

Stand-by current

ISTB

ENA = LOW

–

1.0

µA

tENA

VSS

VDD

− 0.5

VSS + 0.5

ENA

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