LB1876 datasheet(2/14 Pages) SANYO

2 / 14 page

No. 6201-2/14

LB1876

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Power supply current 1

ICC 1

Power supply current 2

ICC 2

Quiescent Current

3.6

5.0

[5V regulated output]

Output voltage

VREG

4.65

5.0

5.35

Voltage fluctuation

∆VREG1 VCC = 9.5 to 28 V

100

Load fluctuation

∆VREG2 IO = –5 to –20 mA

100

Temperature coefficcient

∆VREG3 Design target value

mV/°C

[Output block]

Output saturation voltage 1

VOsat1

IO = 1.0 A, VO(SINK)+VO(SOURCE)

2.0

2.5

Output saturation voltage 2

VOsat2

IO = 2.0 A, VO(SINK)+VO(SOURCE)

2.6

3.2

Output leak current

IOleak

100

µA

Lower side diode forward voltage 1

VD1

ID = –1.0 A

1.2

1.5

Lower side diode forward voltage 2

VD2

ID = –2.0 A

1.5

1.9

[Hall amplifier block]

Input bias current

IHB

–2

–0.5

µA

Common mode input voltage range

VICM

VREG – 2.0

Hall input sensitivity

mVp–p

Hysteresis width

∆VIN(HA)

Input voltage L

→ H

VSLH

Input voltage H

→ L

VSHL

–12

[FG/Schmitt block]

Input bias current

IB(FGS)

–2

–0.5

µA

Common mode input voltage range

VICM(FGS)

VREG – 2.0

Input sensitivity

VIN(FGS)

mVp–p

Hysteresis width

∆VIN(FGS)

Input voltage L

→ H

VSLH(FGS)

Input voltage H

→ L

VSHL(FGS)

–12

[PWM oscillator]

Output High level voltage

VOH(PWM)

2.5

2.8

3.1

Output Low level voltage

VOL(PWM)

1.2

1.5

1.8

External capacitor charge current

ICHG

VPWM = 2 V

–125

–95

–75

µA

Oscillator frequency

f(PWM)

C = 3000 pF

kHz

Amplitude

V(PWM)

1.05

1.27

1.50

Vp-p

[FGS output]

Output saturation voltage

VOL(FGS) IFGS = 7 mA

0.15

0.5

Output leak current

IL(FGS)

µA

[CSD oscillator]

Output High level voltage

VOH(CSD)

2.65

3.0

3.3

Output Low level voltage

VOL(CSD)

0.75

0.9

1.1

Amplitude

V(CSD)

1.75

2.1

2.3

Vp–p

External capacitor charge current

ICHG1

–13.5

–9

–5.5

µA

External capacitor discharge current

ICHG2

5.5

13.5

µA

Oscillator frequency

f(CSD)

C = 0.068 µF

Electrical Characteristics at Ta = 25°C, VCC = VM = 24 V

Parameter

Symbol

Conditions

Ratings

Unit

Power supply voltage range

VCC

9.5 to 28

5 V regulated output current

IREG

0 to –20

LD pin voltage

VLD

0 to 28

LD pin output current

ILD

0 to 15

FGS pin voltage

VFGS

0 to 28

FGS pin output current

IFGS

0 to 10

Allowable Operating Ranges at Ta = 25°C

Continued on next page.

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