LB1268
3-Channel High-Current Low-Saturation Driver
Analog Integrations Corporation
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
www.analog.com.tw
DS-1268-00
TEL: 886-3-5772500 FAX: 886-3-5772510
1
n
FEATURES
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.
n
ABSOLUTE MAXIMUM RATINGS
(at Ta=25
C)
UNIT
Maximum Supply Voltage
V
CC
max
8.0 V
Output Supply Voltage
V
OUT
10.0V
Input Supplly Voltage
V
IN
12.0V
Output Current
I
OUT1
T
ON
50mS, Duty=20%
Solenoid Drive Channel (ch1,2)
1.0A
I
OUT2
T
ON
50mS, Duty=5%
Motor Drive Channel (ch3)
2.5A
Spark Killer Diode Forward Current
I
FSM1
T
5mS, Duty=5%,
Solenoid Drive Channel (ch1,2)
1.0A
I
FSM2
T
5mS, Duty=5%,
Motor Drive Channel (ch3)
2.5A
V
CC
Instantaneous Flow-out Current
I
CCP
T
5mS, Duty=5%
3.0A
GND Flow-out Current
I
GND
T
50mS, Duty=20%
3.0A
Allowable Power Dissipation
P
DMAX
785mW
Operating Temperature
T
OPG
-20 ~ +75
C
Storage Temperature
T
STG
-65 ~ +150
C
n
ALLOWABLE OPERATING CONDITIONS
(at Ta=25
C)
Supply Voltage
V
CC
3.0 ~ 7.0V
Input "H" Level Voltage
V
IH
I
OUT
=300mA
3.0 ~ 11.0V
Input "L" Level Voltage
V
IL
I
OUT
100
A
-0.3 ~ +0.7V
LB1268
2
n
ORDERING INFORMATION
LB1268 XX
ORDER NUMBER
LB1268CN
(PLASTIC DIP)
PIN CONFIGURATION
TOP VIEW
OUT3
OUT1
IN2
IN3
GND
OUT2
VCC
IN1 1
3
4
2
8
6
5
7
PACKAGE TYPE
N: PLASTIC DIP
TEMPERATURE
C: 0
C~+70
C
n
ELECTRICAL CHARACTERISTICS
(Ta=25
C)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Output Voltage
V
IN
=4.5V, V
CC
=5.0V,
I
OUT
=500mA (ch1,2)
V
OH1
0.44
0.65
V
V
IN
=6.0V, V
CC
=7.0V,
I
OUT
=1000mA (ch1,2)
V
OH2
0.88
1.4
V
V
IN
=6.0V, V
CC
=7.0V,
I
OUT
=1600mA (ch1,2 parallel)
V
OH3
1.4
V
V
IN
=3.0V, V
CC
=3.0V,
I
OUT
=300mA (ch3)
V
OH4
0.19
0.25
V
V
IN
=4.5V, V
CC
=5.0V,
I
OUT
=1000mA (ch3)
V
OH5
0.5
0.7
V
V
IN
=6.0V, V
CC
=7.0V,
I
OUT
=2000mA (ch3)
V
OH6
1.0
1.5
V
Input Current
V
IN
=6.0V (ch1,2)
I
IN1
1.0
mA
V
IN
=6.0V (ch3)
I
IN2
2.0
mA
Power Source + Output Leak-
age Current
V
IN
=0.5V, V
OUT
=V
CC
=6.0V
I
OFF
30
A
Spark Killer Diode Forward
Voltage
I
F
=1000mA (ch1,2)
V
F1
3.0
V
I
F
=2000mA (ch3)
V
F2
3.0
V
Output Sustain Voltage
I
OUT
=400mA
V
O(SUS)
10
V
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