LB1973JA データシートの表示（PDF） - ON Semiconductor
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LB1973JA Datasheet PDF : 5 Pages
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Ordering number : ENA2014
LB1973JA
Monolithic Digital IC
Two-channel H-Bridge Driver
http://onsemi.com
Overview
The LB1973JA is a two-channel H-bridge driver that supports for low saturation draive operation. It is optimal for
H-bridge drive of stepping motors (AF and zoom) in portable equipment such as camera cell phones.
Features
• Two-channel H-bridge driver
• 2ch simultaneous connection is possible
• Parallel input interface
• 2 phase excitation, 1-2 phase excitation drive are possible
• The range of the operation voltage is wide.(1.8V to 7.5V)
• Built-in thermal protection
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
-0.3 to +8.0
V
Output voltage
Input voltage
VOUT max
VIN max
- VSF to VCC+VSF
V
-0.3 to +8.0
V
Spark killer Di order direction electric
Ground pin source current
Allowable power dissipation
ISF max
IGND
Pd max
Per channel
*Mounted on a bord
1000
mA
1000
mA
800
mW
Operating temperature
Topr
-20 to +85
°C
Storage temperature
Tstg
-40 to +150
°C
* Mounted on a Specified board : 114.3mm×76.1mm×1.6mm, glass epoxy
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.
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Allowable Operating Ratings at Ta = 25°C
Parameter
Supply voltage
High-level input voltage
Low-level input voltage
Symbol
VCC
VIH
VIL
RIN = 1kΩ
RIN = 1kΩ
Conditions
Ratings
Unit
1.8 to 7.5
V
1.3 to 7.5
V
-0.3 to +0.5
V
Semiconductor Components Industries, LLC, 2013
June, 2013
30712 SY 20120117-S00010 No.A2014-1/5
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