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PDF TC1108 Data sheet ( Hoja de datos )
| Número de pieza | TC1108 | |
| Descripción | 300mA CMOS LDO | |
| Fabricantes | Microchip | |
| Logotipo |  |
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TC1108
300mA CMOS LDO
Features
• Extremely Low Supply Current (50µA, Typ.)
• Very Low Dropout Voltage
• 300mA Output Current
• High Output Voltage Accuracy
• Standard or Custom Output Voltages
• Over Current and Over Temperature Protection
Applications
• Battery Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulators for SMPS
• Pagers
Device Selection Table
Part Number
Package
Junction
Temp. Range
TC1108-xxVDB 3-Pin SOT-223 -40°C to +125°C
NOTE: xx indicates output voltages
Available Output Voltages: 2.5, 2.8, 3.0, 3.3, 5.0.
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
Package Type
SOT-223
General Description
The TC1108 is a fixed output, high accuracy (typically
±0.5%) CMOS low dropout regulator. Total supply
current is typically 50µA at full load (20 to 60 times
lower than in bipolar regulators).
TC1108 key features include ultra low noise operation,
very low dropout voltage (typically 240mV at full load),
and fast response to step changes in load.
The TC1108 incorporates both over temperature and
over current protection. The TC1108 is stable with an
output capacitor of only 1µF and has a maximum
output current of 300mA. It is available in a SOT-223
package.
Typical Application
1
VIN VIN
VOUT 3
+
VOUT
C1
TC1108
1µF
2
GND
TC1108VDB
12
3
VIN GND VOUT
© 2002 Microchip Technology Inc.
DS21357B-page 1
1 page  
TC1108
5.0 TYPICAL CHARACTERISTICS
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
0.012
Line Regulation
0.010
0.008
0.006
0.004
0.002
0.000
-0.002
-0.004
-40° -20° 0° 20° 40° 60° 80° 100° 120°
TEMPERATURE (°C)
Output Noise
10.0
RLOAD = 50Ω
COUT = 1µF
1.0
0.1
0.0
0.01
0.01 1
10 100
FREQUENCY (kHz)
1000
Load Regulation
2.00
1.80
1.60
1.40
1 to 300mA
1.20
1.00
0.80
0.60 1 to 100mA
0.40 1 to 50mA
0.20
0.00
-40° -20° 0° 20° 40° 60° 80° 100° 120°
TEMPERATURE (°C)
100.0
90.0
Supply Current
80.0
70.0
60.0
50.0
40.0
-40° -20° 0° 20° 40° 60° 80° 100° 120°
TEMPERATURE (°C)
Dropout Voltage vs. Load Current
0.40 125°C
0.35 85°C
0.30
70°C
0.25
25°C
0.20
0°C
0.15
0.10
0.05
-40°C
0.00
0
50 100 150 200 250 300
LOAD CURRENT (mA)
3.075
VOUT vs. Temperature
VIN = 4V
ILOAD = 100µA
CLOAD = 3.3µF
3.025
2.975
2.925
-40° -20° 0° 20° 40° 60° 80° 100° 120°
TEMPERATURE (°C)
© 2002 Microchip Technology Inc.
DS21357B-page 5
5 Page 
TC1108
Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
use or otherwise. Use of Microchip’s products as critical com-
ponents in life support systems is not authorized except with
express written approval by Microchip. No licenses are con-
veyed, implicitly or otherwise, under any intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, FilterLab,
KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER,
PICSTART, PRO MATE, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip Tech-
nology Incorporated in the U.S.A. and other countries.
dsPIC, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB,
In-Circuit Serial Programming, ICSP, ICEPIC, microPort,
Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,
MXDEV, MXLAB, PICC, PICDEM, PICDEM.net, rfPIC, Select
Mode and Total Endurance are trademarks of Microchip
Technology Incorporated in the U.S.A.
Serialized Quick Turn Programming (SQTP) is a service mark
of Microchip Technology Incorporated in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
© 2002 Microchip Technology Inc.
Microchip received QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facilities in
Chandler and Tempe, Arizona in July 1999
and Mountain View, California in March 2002.
The Company’s quality system processes and
procedures are QS-9000 compliant for its
PICmicro® 8-bit MCUs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals,
non-volatile memory and analog products. In
addition, Microchip’s quality system for the
design and manufacture of development
systems is ISO 9001 certified.
DS21357B-page 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TC1108.PDF ] | |
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