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PDF SC1540CS-3.3 Data sheet ( Hoja de datos )
| Número de pieza | SC1540CS-3.3 | |
| Descripción | 300mA AND 500mA LOW DROPOUT VOLTAGE REGULATORS WITH ENABLE | |
| Fabricantes | Semtech Corporation | |
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Hay una vista previa y un enlace de descarga de SC1540CS-3.3 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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300mA AND 500mA LOW DROPOUT
VOLTAGE REGULATORS WITH ENABLE
SC1540
SC1540A
PRELIMINARY - May 1, 2000
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DESCRIPTION
The SC1540 and SC1540A are high performance low
dropout positive voltage regulators designed for use in
applications where power management is critical, such
as battery powered systems. Additionally, the
SC1540(A) provides excellent regulation over varia-
tions in line, load and temperature. Outstanding fea-
tures include low dropout performance at rated current,
fast transient response, internal current limiting and
thermal shutdown protection of the output device. A
very low quiescent current of 10µA in shutdown mode
reduces power dissipation. With three voltage options
available, the SC1540(A) comes in the popular SO-8
surface mount package.
APPLICATIONS
•= Active SCSI termination
•= Low voltage microcontrollers
•= Switching power supply post-regulator
BLOCK DIAGRAM
FEATURES
•= Low dropout performance, 1.3V max
•= Full current rating over line and temperature
•= Fast transient response
•= +2% total output regulation over line, load and
temperature
•= 10µA max. quiescent current in shutdown
•= Three fixed output voltages
•= Line regulation 0.2% max.
•= Load regulation 0.4% max.
•= SO-8 package
ORDERING INFORMATION
DEVICE(1)(2)
OUTPUT CURRENT
SC1540CS-X.X
300mA
SC1540ACS-X.X
500mA
PACKAGE
SO-8
SO-8
Notes:
(1) Where X.X denotes voltage options. Available voltages
are: 1.8V, 2.5V and 3.3V. Contact factory for additional
voltage options.
(2) Only available in tape and reel packaging (suffix ‘.TR’)
e.g. SC1540CS-X.X-.TR.
PIN CONFIGURATIONS
Top View
SO-8
ABSOLUTE MAXIMUM RATINGS
Parameter
Maximum Input Pin
Voltage
Power Dissipation
Thermal Resistance
Junction to Case
SO-8
Thermal Resistance
Junction to Ambient
SO-8(1)
Operating Junction
Temperature Range
Storage Temperature
Range
Lead Temperature
(Soldering) 10 Sec
Symbol
VIN, EN
PD
θJC
θJA
TJ
TSTG
TLEAD
Maximum
7
Internally
Limited
47
65
0 to 125
-65 to 150
260
Units
V
W
°C/W
°C/W
°C
°C
°C
Notes:
(1) 2 inch square of 1/16” FR-4, double sided, 1 oz.
minimum copper weight.
© 2000 SEMTECH CORP.
1
652 MITCHELL ROAD NEWBURY PARK CA 91320
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet SC1540CS-3.3.PDF ] | |
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