LB1978V

No. 6186-2/9

Electrical Characteristics at Ta = 25˚C, Vcc = 1.2V, in the specified test circuit

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Power supply current

Icc

START pin H, RIRF = 180 k

Ω

6.8

10

mA

START pin L, VBR = 0V

0

10

µA

Reference voltage

Vref

0.725

0.755

0.785

V

Reference voltage characteristics

∆Vref

/

∆Vcc Vcc = 1.0 to 1.7V

1.0

2.0

%/V

∆Iref

Reference voltage load characteristics

∆Vref

Iref = 0 to –50

µA

–0.2

–0.06

mV/

µA

∆Iref

Oscillator cycle

0.52

0.6

0.68

ms

Rotation switching load characteristics

7.70

10.9

ms

Rotation detection accuracy

NF/S

–16

+16

%

COM voltage

12

25

38

mV

F side output saturation voltage

Vsat1

Vcc = 1.0V, Im = 0.3A

0.17

0.30

V

S side output saturation voltage

Vsat2

Vcc = 1.0V, Im = 0.2A

0.12

0.25

V

S/S pin input High level voltage

0.9

V

S/S pin input Low level voltage

0.3

V

F/S DR pin ON voltage

0.2

V

F/S DR pin OFF voltage

Vcc–0.3

V

TC pin pull-in voltage

F/S = H

80

110

150

mV

F/S = L

160

220

300

mV

BR1 ON voltage

0.9

V

BR1 OFF voltage

0.3

V

BRsat voltage

0.15

0.3

V

CI rise voltage

0.620

0.650

0.680

V

CI hysteresis width

∆V

CI

60

80

100

mV

IRF voltage

0.725

0.755

0.785

V

VI output current

26

30

34

µA

PV pin voltage

0.720

0.755

0.785

V

∆IFC/∆VVI ratio

∆I

150

210

250

µA/V

Output transistor OFF voltage

Vcc–0.3

V

Output transistor ON voltage

0.3

V

Note: Items shown to be “Target” are not measured.