LB11870

No.7256-2/14

Specifications

Absolute Maximum Ratings at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage

VCC max

30

V

Output current

IO max

T

≤ 500ms *1

2.3

A

Allowable power dissipation 1

Pd max1

Independent IC

0.85

W

Allowable power dissipation 2

Pd max2

Mounted on a circuit board *2

1.72

W

Operating temperature

Topr

-20 to +80

°C

Storage temperature

Tstg

-55 to +150

°C

Note *1: Be sure to perform derating from the standard value by 20% or more before use.

Note *2: Mounted on a specified board: 114.3mm

×76.1mm×1.6mm, glass epoxy

Allowable Operating Ranges at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage range

VCC

9.5 to 28

V

5V constant voltage output current

IREG

0 to -20

mA

LD pin applied voltage

VLD

0 to 28

V

LD pin output current

ILD

0 to 15

mA

FGS pin applied voltage

VFG

0 to 28

V

FGS pin output current

IFG

0 to 10

mA

Electrical Characteristics at Ta = 25

°C, VCC = VM = 24V

Ratings

Parameter

Symbol

Conditions

min

typ

max

unit

Supply current 1

ICC1

16

21

mA

Supply current 2

ICC2

In stop mode

3.5

5.0

mA

[5V constant voltage output circuit]

Output voltage

VREG

4.65

5.0

5.35

V

Voltage regulation

ΔVREG1

VCC=9.5 to 28V

80

130

mV

Load regulation

ΔVREG2

IO=-5 to -20mA

10

60

mV

Temperature coefficient

ΔVREG3

Design target value*

0

mV/

°C

[Output Block]

Output saturation voltage 1

VO sat1

IO=0.5A, VO(SINK)+VO(SOURCE)

1.9

2.4

V

Output saturation voltage 2

VO sat2

IO=1.2A, VO(SINK)+VO(SOURCE)

2.6

3.2

V

Output leakage current

IO leak

100

μA

Lower diode forward voltage 1

VD1-1

ID=-0.5A

1.0

1.3

V

Lower diode forward voltage 2

VD1-2

ID=-1.2A

1.4

1.8

V

Upper diode forward voltage 1

VD2-1

ID=0.5A

1.2

1.6

V

Upper diode forward voltage 2

VD2-2

ID=1.2A

1.9

2.4

V

[Hall Amplifier Block]

Input bias current

IHB

-2

-0.5

μA

Common-mode input voltage range

VICM

0

VREG-2.0

V

Hall input sensitivity

80

mVp-p

Hysteresis width

ΔVIN(HA)

15

24

42

mV

Input voltage: Low to high

VSLH

12

mV

Input voltage: High to low

VSHL

-12

mV

[FG Schmitt Block]

Input bias current

IB(FGS)

-2

-0.5

μA

Common-mode input voltage range

VICM(FGS)

0

VREG-2.0

V

Input sensitivity

VIN(FGS)

80

mVp-p

Hysteresis width

ΔVIN(FGS)

15

24

42

mV

Input voltage: Low to high

VSLH(FGS)

12

mV

Input voltage: High to low

VSHL(FGS)

-12

mV

*: These value are design guarantee values, and are not tested.

Continued on next page.