LB1245 Просмотр технического описания (PDF) - SANYO -> Panasonic
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LB1245 Datasheet PDF : 3 Pages
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Ordering number:ENN1369C
Monolithic Digital IC
LB1245
Active-Low Input Fluorescent
Display Tube Driver
Overview
The LB1245 has been designed for interfacing low-level
digital devices to fluorescent display tubes. Its 8-circuit
independent Darlington output stage is used for digit and
segment drivers. Equivalent pull-down resistors are built
in ; externally connected resistors to prevent ghosts are no
longer required. Output is activated when input voltages
are at a low level, making the IC and ideal interface for N-
channel MOS devices. (VDD, VSS of IC can be made com-
mon to VDD, VSS of the LB1245.)
Features
• 8-channel independent Darlington driver.
• Capable of driving digits or segments.
• Built-in pull-down sink current.
• Rated at 55V/30mA
Package Dimensions
unit:mm
3021C-DIP20
[LB1245]
24.0
20
11
1
10
1.0
(0.57)
2.54 0.5
1.2
SANYO : DIP20
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Maximum supply voltage
Output supply voltage
Input supply voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VDD max
VOUT max
VIN max
IOUT max
Pd max
VDD≤VCC–2.0V
VIN≥ 0
Topr
Tstg
Conditions
Ratings
Unit
–0.3 to +55.0 V
–0.3 to +10.0 V
–0.3 to VCC V
VCC–10 to VDD V
30 mA
1.13 mW
–20 to +75 ˚C
–40 to +150 ˚C
Allowable Operating Ranges at Ta = 25˚C
Parameter
Supply voltage
Input ON level voltage
Input OFF level voltage
Symbol
VCC
VDD
VION
VIOFF
Conditions
VDD≤VCC–2.0V
VIN≥ 0, IOUT=–30mA
IOUT≥ –30µA
Ratings
Unit
5.5 to 55 V
3.5 to 10 V
VDD–10 to VDD–3.2 V
VDD–0.4 to VDD V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
13101TN (KT)/O3095YK/7067KI/8215KI/3275MW/9143KI, TS No.1369–1/3
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