Specifications

Absolute Maximum Ratings at Ta=25 °C, ( ): LB1860M, LB1861M

Parameter

Symbol

Conditions

Ratings

Unit

Maximum input current

t

% 20 ms

200

mA

Output supply voltage

Internal

V

Output current

1.5

A

RD flow-in current

10

mA

RD supply voltage

50

V

Allowable power dissipation

Pd1 max

1.1

W

Pd2 max

Mounted on 20

× 15 × 1.5 mm glass epoxy board

(0.8)

W

Operating temperature

Topr

–30 to +80

°C

Storage temperature

Tstg

–55 to +125

°C

Allowable Operating Ranges at Ta=25 °C

Parameter

Symbol

Conditions

Ratings

Unit

Input current range

6.0 to 50

mA

Common-mode input voltage range

V

Parameter

Symbol

Conditions

min

typ

max

Unit

Output limiting voltage

54

57

60

V

30

32

34

V

Output saturation voltage

0.95

1.2

V

1.15

1.5

V

1.4

2.0

V

Input voltage

6.4

6.7

7.0

V

Amp input offset voltage

–7.0

0

7.0

mV

Amp input bias current

–250

nA

RD output saturation

voltage

0.15

0.3

V

C flow-out current

C = GND

2.7

3.9

5.0

µA

C discharge current

0.35

0.50

0.65

µA

Comparator input threshold

voltage

0.77

0.83

V

0.44

0.50

V

Ct discharge voltage

Vct

0.18

0.22

V

Rt input current

–440

–350

–240

µA

Rt comparator voltage

0.59

0.65

V

Thermal protection circuit

operating voltage

TSD

Design target

180

°C

Thermal protection circuit

hysteresis

∆TSD

Design target

40

°C

Pin Assignments

Top view

Top view

LB1860,1860M,1861,1861M

No.3519-2/6