Sanyo LB1741 Specifications
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.
Monolithic Digital IC
Octal NPN Darlington-pair Transistor Array
Ordering number:ENN4094
LB1741
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Overview
The LB1741 is a high-current Darlington-pair transistor
array that incorporates output clamp diodes, making it ideal
for driving inductive loads.
The LB1741 with active-HIGH, 10.5kΩ impedance inputs
interfaces directly to P-MOS or CMOS logic. With an input voltage of –0.5 to 30V (max), outputs can sink 500mA
(max) per channel and have 50V (max) output withstand
voltage.
The LB1741 is available in 18-pin DIPs.
Features
• Output clamp diodes.
• Drives inductive loads.
• Active-HIGH, 10.5kΩ impedance inputs.
• Interfaces to P-MOS or CMOS logic.
• 500mA (max) per channel output current sink.
• 50V (max) output withstand voltage.
• 30V (max) input voltage.
• 18-pin DIP.
Specifications
Absolute Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egnaregatlovdnatshtiwtuptuOV
egatlovtupnIV
tnerructuptuOI
tnerrucDNGI
egatlovdnatshtiwedoidpmalCV
tnerrucdrawrofedoidpmalCI
noitapissidrewopelbawollAxamdP 74.1W
erutarepmetgnitarepOrpoT 58+ot04–
erutarepmetegarotSgtsT 051+ot55–
OEC
I
O
DNG
R
F
Package Dimensions
unit:mm
3007B-DIP18
[LB1741]
24.0
18
1
(1.84)
2.54
10
6.4
7.62
0.25
9
(3.25)
3.85max
3.3
1.20.5
0.51min
SANYO : DIP18
05+ot5.0–V
03+ot5.0–V
005Am
2.3A
05V
005Am
˚C
˚C
22801TN (KT)/N042TS No.4094–1/4
Recommended Operating Ranges at Ta = 25˚C
retemaraPlobmySsnoitidnoC
egnaregatlovdnatshtiwtuptuOV
egatlovtupnIV
tnerructuptuOI
egatlovdnatshtiwedoidpmalCV
tnerrucdrawrofedoidpmalCI
OEC
I
O
R
F
Electrical Characteristics at Ta = 25˚C
retemaraPlobmySsnoitidnoC
V
egatlovtupniNO-nruTV
tnerructupniNOrotsisnarTI
tnerructupniFFOrotsisnarTI
niagtnerrucCDh
egatlovnoitarutastuptuOV
tnerrucegakaeltuptuOI
tnerrucegakaeledoidpmalCI
egatlovdrawrofedoidpmalCV
ecnaticapactupnIC
emityaledNO-nruTt
emityaledFFO-nruTt
V
)NO(I
V
V
VIV21=0.154.1Am
)NO(I
I
)FFO(I
O
V
EF
I
I
I
)tas(EC
I
I
O
V
XEC
V
VRV05= 05Aµ
R
I
F
F
I
RL521= Ω C,
NO
RL521= Ω C,
FFO
LB1741
sgnitaR
nimpytxam
005V
003V
stiucricthgie,elcycytud%8,sm52=WPT0004Am
stiucricthgie,elcycytud%52,sm52=WPT0002Am
sgnitaR
nimpytxam
I,V2=
EC
EC
EC
EC
Aµ005= 56Aµ
EC
V05= 05Aµ
EC
EC
Am053= 0.2V
Am521=0.5V
O
I,V2=
Am002=0.6V
O
I,V2=
Am572=0.7V
O
I,V2=
Am053=0.8V
O
I,V2=
Am053=0001
O
I,Aµ005=
Am053=3.16.1V
O
I,Aµ053=
Am002=1.13.1V
O
I,Aµ052=
Am001=9.01.1V
O
V,V05=
V1=005Aµ
I
04Fp
V,Fp51=
L
L
V05=1.0sµ
O
V,Fp51=
V05=2.0sµ
O
tinU
05V
004Am
tinU
Pinout Equivalent Circuit
Notes
1. Only one channel is shown.
2. D2 and D3 are parasitic diodes.
Top view
Block Diagram Pin Function
rebmuNemaNnoitpircseD
8ot18Iot1IstupnirotsisnarT
9DNGdnuorG
01NOMMOCnommocrotsisnarT
81ot118Oot1OstuptuorotsisnarT
No.4094–2/4
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