Datasheet LB1268CN Datasheet (ANALOG INTEGRATIONS CORPORATION)

LB1268
3-Channel High-Current Low-Saturation Driver

FEATURES

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l 3-Channel Magnet Driver.
l High Current (2.0A Max.) and Low Saturation Voltage (1.5V).
l Parallel Operation Capability (Channel 1+2).
l On-Chip Spark Killer Diodes.

ABSOLUTE MAXIMUM RATINGS (at Ta=25°C)

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UNIT

Maximum Supply Voltage VCC max 8.0 V
Output Supply Voltage V
Input Supplly Voltage V

Output Current

OUT
IN

I

TON≤50mS, Duty=20%

OUT1

10.0V

12.0V

1.0A

Solenoid Drive Channel (ch1,2)
I

TON≤50mS, Duty=5%

OUT2

2.5A

Motor Drive Channel (ch3)

Spark Killer Diode Forward Current

I

FSM1

T≤5mS, Duty=5%,

1.0A

Solenoid Drive Channel (ch1,2)
I

T≤5mS, Duty=5%,

FSM2

2.5A

Motor Drive Channel (ch3)
VCC Instantaneous Flow-out Current I
GND Flow-out Current I
Allowable Power Dissipation P
Operating Temperature T
Storage Temperature T

T≤5mS, Duty=5% 3.0A

CCP

T≤50mS, Duty=20% 3.0A

GND

DMAX
OPG
STG

785mW

-20 ~ +75°C

-65 ~ +150°C

ALLOWABLE OPERATING CONDITIONS (at Ta=25°C)

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Supply Voltage V
Input “H” Level Voltage V
Input “L” Level Voltage V

CC

IH

IL

I

=300mA 3.0 ~ 11.0V

OUT

I

≤100µA -0.3 ~ +0.7V

OUT

3.0 ~ 7.0V

Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

www.analog.com.tw

DS-1268-00 TEL: [phone] FAX: [phone]

OUT3

OUT1

IN2

IN3

GND

OUT2

VCC

IN1134286

5

7

LB1268

ORDERING INFORMATION

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LB1268 XX

PACKAGE TYPE
N: PLASTIC DIP
TEMPERATURE
C: 0°C~+70°C

ELECTRICAL CHARACTERISTICS

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PARAMETER

TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT

VIN=4.5V, VCC=5.0V,

Output Voltage

I

=500mA (ch1,2)

OUT

VIN=6.0V, VCC=7.0V,
I

=1000mA (ch1,2)

OUT

VIN=6.0V, VCC=7.0V,
I

=1600mA (ch1,2 parallel)

OUT

ORDER NUMBER

LB1268CN
(PLASTIC DIP)

(Ta=25°C)

V

OH1

V

OH2

V

OH3

PIN CONFIGURATION

TOP VIEW

0.44 0.65 V

0.88 1.4 V

1.4 V

VIN=3.0V, VCC=3.0V,
I

=300mA (ch3)

OUT

VIN=4.5V, VCC=5.0V,
I

=1000mA (ch3)

OUT

VIN=6.0V, VCC=7.0V,
I

=2000mA (ch3)

OUT

Input Current VIN=6.0V (ch1,2) I

Power Source + Output Leak­age Current

Spark Killer Diode Forward
Voltage

VIN=6.0V (ch3) I

VIN=0.5V, V

OUT=VCC

=6.0V I

IF=1000mA (ch1,2) V

IF=2000mA (ch3) V

Output Sustain Voltage I

=400mA V

OUT

V

OH4

V

V

O(SUS)

OH5

OH6

IN1

IN2

OFF

0.19 0.25 V

0.5 0.7 V

1.0 1.5 V

1.0 mA

2.0 mA

30 µA

F1

F2

3.0

3.0 V

V

10 V

2

120

15K1K3.4K2K2K

240

240

6.8K

30K

30K

6.8K

TR6

TR5

TR4

TR3

TR2

TR1

OUT2

OUT1

OUT3

VCC

GNDD3D2

D1

IN1

IN2

IN3

-200204060800

200

600

800

900

785

P

DMAX

(mW)

Ambient Temperature (

C

)

eB

LB1268

EQUIVALENT CIRCUIT

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Allowable Power Dissipation vs Temperature

400

PHYSICAL DIMENSIONS

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l 8 LEAD PLASTIC DIP (unit: mm)

D

E1

A2

A1

L

b e

75

°

SYMBOL MIN MAX

A1 0.381 —
A2 2.92 4.96

b 0.35 0.56

C 0.20 0.36

E

D 9.01 10.16

E 7.62 8.26

C

E1 6.09 7.12

e 2.54 (TYP)

eB — 10.92

L 2.92 3.81

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