LB1877 datasheet(2/7 Pages) SANYO

2 / 7 page

LB1877M

No. 6199-2/7

Electrical Characteristics at Ta = 25

°C, V

CC = 2.4V

Parameter

Symbol

Conditions

Ratings

Unit

Measurement

min

typ

max

circuit

Power supply current

ICC1

S/S pin High level

4.0

ICC2

S/S pin Low level (standby)

µA2

[S/S pin]

S/S pin High level

SSH

Start

1.5

VCC

S/S pin Low level

SSL

Stop

0.3

[DR pin]

DR pin High level

DRH

Reverse

1.5

VCC

DR pin Low level

DRL

Normal direction

0.3

[Internal reference voltage]

Internal reference voltage

VREF

Output current 0

µA

0.8

0.9

1.0

Output current

IREF

Output current 250

µA

25 mV/250

µA12

Reference voltage to power supply

∆VREF/∆V

CC VCC = 1.8 to 5.0V

mV/V

voltage characteristics

Reference voltage to temperature

∆IREF/∆Ta V

CC = 2.4V

– 0.1

0.3

mV/

°C

Target

characteristics

[OSC pin]

Charge current

Isc

3.0

4.5

6.0

µA14

[COM pin]

Sink current

ICOM

µA15

[LB pin]

Charge current

ILB

4.5

6.5

9.0

µA16

[VSP pin]

Input voltage range

VIN

VCC = 2.4V

0.15

1.8

Speed signal detection precision

VSP

VIN = 1V

420

500

580

Speed signal relative precision

RSP

– 6

Target

Speed signal to power supply

∆VSP/∆V

CC VCC = 1.8 to 5.0V

2.5

mV/V

voltage characteristics

Speed signal to temperature

∆VSP/∆Ta

– 0.1

0.2

mV/

°C

Target

characteristics

[IN+ pin]

Input voltage range

VIN+

VCC = 2.4V

0.1

VCC – 0.7

V20

[OUT pin]

Output current

IOUT

VIN+ = 1V

47.3

µA21

[RI pin]

Current detection precision

VRI

RI = 10 k

Ω U, V, Wout = 2.3V

[U, V, WOUT pins]

Output saturation voltage

Vsat

IO = 200 mA

0.25

[Thermal]

Thermal protection trigger temperature

TTSD

180

°C

Target

Temperature hysteresis width

∆TTSD

°C

Target

Note: Items shown to be Target are not measured.

0.2

0.4

0.5

0.6

0.8

406080

100

–10

Pd max – Ta

Ambient temperature, Ta –

°C

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