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LB1268PSTB

Description
Peripheral Driver
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size189KB,6 Pages
ManufacturerAIC [Analog Intergrations Corporation]
Download Datasheet Parametric Compare View All

LB1268PSTB Overview

Peripheral Driver

LB1268PSTB Parametric

Parameter NameAttribute value
MakerAIC [Analog Intergrations Corporation]
package instruction,
Reach Compliance Codecompliant

LB1268PSTB Preview

LB1268
3-Channel High-Current Low-Saturation Driver
FEATURES
3-Channel Magnet Driver.
High Current (2.0A Max.) and Low Saturation
Voltage (1.5V).
Parallel Operation Capability (Channel 1+2).
On-Chip Spark Killer Diodes.
DESCRIPTION
The LB1268 is a 3-channel, low saturation vol-
tage and high current source driver ideally for
switching high-power loads from logical level
TTL, or CMOS.
Both ch1 and ch2 can manage loads up to 1.0A
to ch1 and ch2, ch3 can switch up to 2.0A re-
spectively.
The LB1268 is fully compatible with LB1268
from Sanyo Company and available in the 8-pin
DIP and SOP-8 package.
APPLICATIONS
Stepping Motor Driver
Relay Driver.
LED Driver.
Solenoid Driver.
TYPICAL APPLICATION CIRCUIT
+V
IN
+V
CC
Solenoid Driver
1
2
3
IN1
IN2
IN3
GND
OUT1 8
OUT2 7
OUT3 6
VCC 5
TTL Input
4
LB1268
Analog Integrations Corporation
Si-Soft Research Centern
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
DS-1268G-01 20100106
1
LB1268
ORDERING INFORMATION
LB1268XXXX
PACKING TYPE
TB: TUBE
TR: Tape & Reel
PACKAGE TYPE
N: DIP-8
S: SOP-8
C: COMMERCIAL
P: LEAD FREE COMMERCIAL
G:GREEN PACKAGE
Example: LB1268CNTB
in DIP-8 Package & Tube
Packing Type
LB1268PNTB
in Lead Free DIP-8 Package &
Tube Packing Type
PIN CONFIGURATION
DIP-8/SOP-8
TOP VIEW
IN1
1
IN2
2
IN3
3
GND
4
8
OUT1
7
OUT2
6
OUT3
5
VCC
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
)
Output Supply Voltage
Input Supply Voltage
Output Current
I
OUT1
T
ON
≤50mS,
Duty=20%, Solenoid Drive Channel (ch1, 2)
I
OUT2
T
ON
≤50mS,
Duty=5%, Motor Drive Channel (ch3)
Spark Killer Diode Forward Current
I
FSM1
T≤5mS, Duty=5%, Solenoid Drive Channel (ch1, 2)
I
FSM2
T≤5mS, Duty=5%, Motor Drive Channel (ch3)
V
CC
Instantaneous Flow-out Current (T≤5mS, Duty=5%)
GND Flow-out Current (T≤50mS, Duty=20%)
Power Dissipation
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
8V
10.0V
12.0V
1A
2.5A
1A
2.5A
3A
3A
785mW
–40°C to 85°C
125°C
–65°C to 150°C
Lead Temperature (Soldering, 10 sec)
260°C
Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.
2
LB1268
TEST CIRCUIT
Solenoid Driver
+V
IN
1
2
3
4
IN1
IN2
IN3
GND
OUT1 8
OUT2 7
OUT3 6
VCC 5
V
OUT
+V
CC
LB1268
ELECTRICAL CHARACTERISTICS
PARAMETER
TEST CONDITIONS
V
IN
=4.5V, V
CC
=5.0V,
I
OUT
=500mA (ch1, 2)
V
IN
=6.0V, V
CC
=7.0V,
I
OUT
=1000mA (ch1, 2)
V
IN
=6.0V, V
CC
=7.0V,
I
OUT
=1600mA (ch1, 2
parallel)
V
IN
=3.0V, V
CC
=3.0V,
I
OUT
=300mA (ch3)
V
IN
=4.5V, V
CC
=5.0V,
I
OUT
=1000mA (ch3)
V
IN
=6.0V, V
CC
=7.0V,
I
OUT
=2000mA (ch3)
V
IN
=6.0V (ch1, 2)
Input Current
V
IN
=6.0V (ch3)
Power Source + Output Lea-
kage Current
Spark Killer Diode Forward
Voltage
Output Sustain Voltage
(T
A
=25°C) (Note1)
SYMBOL
V
OH1
MIN.
TYP.
0.44
MAX.
0.65
UNIT
V
V
OH2
0.88
1.4
V
V
OH3
1.4
V
Output Voltage
V
OH4
0.19
0.25
V
V
OH5
0.5
0.7
V
V
OH6
I
IN1
I
IN2
I
OFF
V
F1
V
F2
V
O(SUS)
10
1.0
1.5
1.0
2.0
30
3.0
3.0
V
mA
mA
μA
V
V
V
V
IN
=0.5V, V
OUT
=V
CC
=6.0V
I
F
=1000mA (ch1, 2)
I
F
=2000mA (ch3)
I
OUT
=400mA
Note 1: Specifications are production tested at T
A
=25°C. Specifications over the -40°C to 85°C operating
temperature range are assured by design, characterization and correlation with Statistical Quality
Controls (SQC).
3
LB1268
TYPICAL PERFORMANCE CHARACTERISTICS
900
800
785
600
P
DMAX
(mW)
400
200
0
-20
0
20
40
60
75 80
Ambient Temperature (°C)
Fig. 1 Allowable Power Dissipation vs Temperature
BLOCK DIAGRAM
OUT1
OUT2
OUT3
240
VCC
D1
240
D2
120
D3
TR1
30K
6.8K
2K
TR2
6.8K
30K
TR3
15K
TR4
2K
3.4K
TR5
TR6
1K
GND
IN1
IN2
IN3
PIN DESCRIPTIONS
PIN 1~3:
PIN 4:
PIN 5:
PIN 6~8:
IN1~IN3 - Control signal input pin.
GND
VCC
- Power ground.
- The output pin (Cathode) of freewheeling diode.
OUT1~3 - Each of the pins may individually sink load current from some controlled circuits.
4
LB1268
PHYSICAL DIMENSIONS
(unit: mm)
SOP-8
D
H
E
S
Y
M
B
O
L
SOP-8
MILLIMETERS
MIN.
1.35
0.10
0.33
0.19
4.80
3.80
1.27 BSC
5.80
0.25
0.40
6.20
0.50
1.27
MAX.
1.75
0.25
0.51
0.25
5.00
4.00
h X 45°
A
A1
e
A
A
SEE VIEW B
B
C
D
A
E
e
H
h
L
θ
B
A1
WITH PLATING
BASE METAL
SECTION A-A
0.25
L
VIEW B
GAUGE PLANE
SEATING PLANE
Note: 1. Refer to JEDEC MS-012AA.
2. Dimension "D" does not include mold flash, protrusions
or gate burrs. Mold flash, protrusion or gate burrs shall not
exceed 6 mil per side .
3. Dimension "E" does not include inter-lead flash or protrusions.
4. Controlling dimension is millimeter, converted inch
dimensions are not necessarily exact.
θ
C
5

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Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant
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