LB1837 查看數據表（PDF） - SANYO -> Panasonic

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LB1837

Low-voltage/Low-saturation Bidirectional Constant-Voltage Regulated Motor Driver

SANYO -> Panasonic 

LB1837M

Electrical Characteristics at Ta = 25 °C, VCC = 6 V

Parameter

Supply current

Output saturation voltage

Reference voltage

Output voltage

voltage characteristics

Output voltage

current characteristics

Input current

Output voltage

Symbol

ICC0

ICC1

ICC2

ICC3

Vsat1

Vsat2

Vsat3

Vref

∆VO

∆VCC

∆VO

∆ICC

IIN

VO

Conditions

During standby

(For one channel) During bidirectional operation

during control, load open

(For one channel) During bidirectional operation

during saturation, load open

During braking (for one channel)

IO = 100 mA (upper side + lower side)

IO = 200 mA (upper side + lower side)

IO = 200 mA (lower side)

Ivref = 1 mA

VO = 5 V, VCC = 5.5 to 9 V,

IO = 100 mA

VO = 5 V, VCC = 6 V,

IO = 10 to 100 mA

VIN = 5 V

Between OUT and GND

Equivalent Circuit Block Diagram

(For one channel)

min typ max Unit

0.1 10 µA

2

3 mA

3

5 mA

6.5

9 mA

0.3 0.4 V

0.4 0.55 V

0.07 0.10 0.15 V

1.85

2.0 2.15 V

20 mV

2.5 x VC

50 mV

90 150 µA

2.7 x VC V

Thermal

Reference

voltage

Logic predriver

Truth Table

Pin Assignment

Input

IN 1/3 IN 2/4

L

L

H

L

L

H

H

H

Output

OUT 1/3 OUT 2/4

OFF

OFF

H

L

L

H

L

L

Mode

Standby

Constant-voltage

regulated forward

operation

Constant-voltage

regulated reverse

operation

Brake

The constant-voltage regulated output VO (= voltage between H

side output and GND) is controlled by 2.5 x VC. The output is

in the saturated state when the VC input range is 0.2 to 6 V and

VO ^ VCC.

Note: Both GND pins must be grounded.

No.3948 -2/5

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