LB1935FA is IC with forward/reverse motor drive 2-channel in which low saturation voltage and low voltage operation
possible. Its small sized package is optimal for 2 phase excitation drive of 2 phase bipolar stepping motors for various
portable devices such as digital still cameras.
Features
• Low saturation voltage, VO (sat) = 0.3V typ at IO = 150mA
• Built-in shoot-through current protection circuit
• No standby current consumption (or zero)
• Built-in thermal shutdown circuit
• Micro10 small-sized package
Absolute Maximum Ratings
at Ta = 25°C
Parameter
Maximum power source voltage
Applied output voltage
Applied input voltage
GND Pin outflow current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VOUT max
VIN max
I GND
Pd max
Topr
Tstg
OUT1, OUT2, OUT3, OUT4 pin
ENA, IN1, IN2 pin
Per channel
With substrate*
Conditions
Ratings
-0.3 to +8.0
VCC+VSF
-0.3 to +8.0
400
400
-20 to +75
-40 to +150
Unit
V
V
V
mA
mW
°C
°C
* Specified substrate: 20.0mm×10.0mm×0.8mm, paper phenol
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
s products or
equipment.
52312 SY 20120514-S00001 No.A2060-1/4
LB1935FA
Allowable Operating Range
at Ta = 25°C
Parameter
Source voltage
Input high level voltage
Input low level voltage
Symbol
VCC
VIH
VIL
ENA, IN1, IN2 pin
ENA, IN1, IN2 pin
Conditions
Ratings
2.2 to 7.5
1.8 to 7.5
-0.3 to +0.7
Unit
V
V
V
Electric Characteristics
at Ta = 25°C, VCC = 3.3V
Ratings
Parameter
Power source current
Symbol
ICC0
ICC1
Output saturation voltage
VOUT1
VOUT2
Input current
IIN
IENA
Spark killer diode
Reverse current
Forward voltage
IS(leak)
VSF
IOUT = 200mA
1
1.7
μA
V
Conditions
min
ENA = 0V, VIN = 3V or 0V
ENA = 3V, VIN = 3V or 0V
ENA = 3V, VIN = 3V or 0V, IOUT = 100mA
ENA = 3V, VIN = 3V or 0V, IOUT = 200mA
VIN = 3V
VENA = 3V
typ
0.1
13
0.2
0.4
40
40
max
1
19
0.3
0.6
60
60
μA
mA
V
V
μA
μA
Unit
Package Dimensions
unit : mm (typ)
3428
3.0
10
500
Pd max -- Ta
Specified Substrate : 20.0×10.0×0.8mm
3
Peper phenol
Allowable power dissipation, Pd max -- mW
400
3.0
4.9
0.55
300
240
200
1 2
0.5
0.25
1.03
0.16
100
0
-20
0
20
40
60
80
100
Ambient temperature, Ta --
°C
SANYO : Micro10
Pin Assignments
0.1
VCC
IN2
ENA
IN1
(NC)
1
2
3
4
5
Top view
10 OUT4
9
LB1935FA
8
7
6
OUT3
OUT1
OUT2
GND
No.A2060-2/4
LB1935FA
Block Diagram
Truth Table
Input
ENA
L
H
IN1
-
L
L
H
H
IN2
-
L
H
H
L
OUT1
OFF
H
H
L
L
OUT2
OFF
L
L
H
H
Output
OUT3
OFF
H
L
L
H
OUT4
OFF
L
H
H
L
Remarks
Standby
2-phase excitation
No.A2060-3/4
LB1935FA
Timing Chart
Timing chart below shows the 2 phase excitation stepping motor.
ENA
IN1
IN2
OUT1
OUT2
OUT3
OUT4
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using
products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
products described or contained herein.
Regarding monolithic semiconductors, if you should intend to use this IC continuously under high temperature,
high current, high voltage, or drastic temperature change, even if it is used within the range of absolute
maximum ratings or operating conditions, there is a possibility of decrease reliability. Please contact us for a
confirmation.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt
safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not
limited to protective circuits and error prevention circuits for safe design, redundant design, and structural
design.
In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require the
export license from the authorities concerned in accordance with the above law.
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without the prior written consent of SANYO Semiconductor Co.,Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the
SANYO Semiconductor Co.,Ltd. product that you intend to use.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellectual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of May, 2012. Specifications and information herein are subject
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