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Semtech Corporation - 150mA ULTRA LOW DROPOUT/ LOW NOISE REGULATOR

Numéro de référence SC8863
Description 150mA ULTRA LOW DROPOUT/ LOW NOISE REGULATOR
Fabricant Semtech Corporation 
Logo Semtech Corporation 





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SC8863 fiche technique
150mA ULTRA LOW DROPOUT,
LOW NOISE REGULATOR
SC8863
March 1, 2000
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DESCRIPTION
The SC8863 is a low dropout linear regulator that
operates from a +2.5V to +5.5V input range and
delivers up to 150mA. A PMOS pass transistor allows
the low 110µA supply current to remain independent of
load, making these devices ideal for battery operated
portable equipment such as cellular phones, cordless
phones and personal digital assistants.
The SC8863 output voltage can be preset or adjusted
with an external resistor divider. Other features include
low powered shutdown, short circuit protection, thermal
shutdown protection and reverse battery protection.
The SC8863 comes in the tiny 5 lead SOT-23
package.
FEATURES
Guaranteed 150 mA output current
Fixed or adjustable output
Very small external components
Low 75µVRMS output noise
Very low supply current
Thermal overload protection
Reverse battery protection
Low power shutdown
Surface mount packaging (5 pin SOT-23)
Full industrial temperature range
APPLICATIONS
Battery Powered Systems
Cellular Telephones
Cordless Telephones
Personal Digital Assistants
Portable Instrumentation
Modems
PCMCIA cards
BLOCK DIAGRAM
ORDERING INFORMATION
Part Number
SC8863-XXXCSK(1)(2)
Package
SOT-23-5
Notes:
(1) Where -XXX denotes voltage options. Available
voltages are: 2.50V (-250), 2.80V (-280), 3.00V (-300),
and 3.30 (-330)V.
(2) Add suffix ‘TR’ for tape and reel.
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol Maximum Units
Input Supply Voltage VIN -0.6 to +7 V
Power Dissipation
TA = 70°C
PD
571 mW
Thermal Resistance
θJA
256 °C/W
θJC 81 °C/W
Operating Ambient
Temperature Range
TA -40 to +85 °C
Operating Junction
Temperature Range
TJ -40 to +150 °C
Storage Temperature TSTG -65 to +150 °C
Range
Lead Temperature
(Soldering) 10 Sec
TLEAD
+300
°C
ESD Rating
ESD
1.25 kV
1
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320

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