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SC1453ISK3.1TRT

Description
150mA Ultra Low Dropout Regulator with Low Noise Bypass
CategoryPower/power management    The power supply circuit   
File Size450KB,15 Pages
ManufacturerSEMTECH
Websitehttp://www.semtech.com
Environmental Compliance
Download Datasheet Parametric View All

SC1453ISK3.1TRT Overview

150mA Ultra Low Dropout Regulator with Low Noise Bypass

SC1453ISK3.1TRT Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSEMTECH
Parts packaging codeSOT-23
package instructionLSSOP, TSOP5/6,.11,37
Contacts5
Reach Compliance Codeunknow
ECCN codeEAR99
AdjustabilityFIXED
Maximum drop-back voltage 10.23 V
Nominal dropback voltage 10.15 V
Maximum absolute input voltage7 V
Maximum input voltage6.5 V
Minimum input voltage2.25 V
JESD-30 codeR-PDSO-G5
length2.9 mm
Maximum grid adjustment rate0.012%
Number of functions1
Output times1
Number of terminals5
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi-40 °C
Maximum output current 10.15 A
Maximum output voltage 13.162 V
Minimum output voltage 13.038 V
Nominal output voltage 13.1 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.45 mm
surface mountYES
technologyCMOS
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance2%
width1.6 mm
NOT RECOMMENDED FOR NEW DESIGN
150mA Ultra Low Dropout
Regulator with Low Noise Bypass
POWER MANAGEMENT
Description
The SC1453 is a low dropout linear regulator that
operates from a +2.25V to +6.5V input range and
delivers up to 150mA. A PMOS pass transistor allows
the low 75µA 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 SC1453 has a bandgap reference bypass pin for
very low noise operation - a 10nF (typ.) capacitor may be
connected between this pin and ground. Other features
include low powered shutdown, short circuit protection,
thermal shutdown protection and reverse battery
protection. The SC1453 comes in the tiny 5 lead SOT-23
package and the ultra-low profile 5 lead TSOT-23.
SC1453
Features
“2982/5205” compatible pinout
Guaranteed 150 mA output current
2% output accuracy guaranteed over line, load and
temperature
Very small external components - designed to work
with ceramic capacitors
Low 26µV
RMS
output noise
(1.5V option, C
IN
= C
OUT
= 1µF, C
BYP
= 10nF)
Very low supply current
Thermal overload protection
Reverse battery protection
Low power shutdown
Full industrial temperature range
Very low profile packaging available (1mm max. height)
Surface mount packaging (5 pin SOT-23 and
TSOT-23)
Available in Lead-free packages, fully WEEE and RoHS
compliant
Typical Application Circuit
VIN
C1
1uF
N
O
T
FO R
R EC
N O
EW M
M
D EN
ES D
IG ED
N
Applications
1
3
U1
IN
EN
SC1453
OUT
GND BYP
2
5
4
C2
10nF
Battery Powered Systems
Cellular Telephones
Cordless Telephones
Personal Digital Assistants
Portable Instrumentation
Modems
PCMCIA cards
VOUT
C3
1uF
Revision: April 21, 2008
1
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