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.

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating

Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.