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PDF MP20051 Data sheet ( Hoja de datos )
| Número de pieza | MP20051 | |
| Descripción | 1A Linear Regulator | |
| Fabricantes | MPS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MP20051 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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The Future of Analog IC Technology
MP20051
Low Noise, High PSRR, 1A
Linear Regulator
DESCRIPTION
The MP20051 is a low-dropout linear regulator
that supplies up to 1A current with a 140mV
dropout voltage. The externally-adjustable output
voltage has a range of 0.8V to 5V from an input
voltage of 2.5V to 5.5V.
An internal PMOS pass element allows for a low
110μA ground current, making the MP20051
suitable for battery-powered devices. Other
features include low-power shutdown, and short-
circuit and thermal protection. The MP20051 is
available in 3mm x 3mm 8-pin QFN and SOIC8E
packages.
FEATURES
• Up to 1A Output Current
• Low 140mV Dropout at 1A
• Low 110μA Ground Current
• Output Voltage Available from 0.8V to 5V
• Low Noise: 13μVRMS typical (10Hz to 100kHz)
• 63dB PSRR @1kHz
• Stable with Ceramic Capacitor
• Excellent Load/Line Transient Response
• Current Limiting and Thermal Protection
• Available in 3mm x 3mm 8-pin QFN and
SOIC8E Packages
APPLICATIONS
• Notebook Computers
• Cordless Telephones
• Cellular Phones
• Wireless Communication Equipment
• Hand-Held Instruments
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Quality Assurance. “MPS” and “The
Future of Analog IC Technology” are Registered Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
VOUT
=
0.8
×
(1
+
R1)Volts
R2
MP20051 Rev.1.11
www.MonolithicPower.com
12/26/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1
1 page  
MP20051 – LOW NOISE HIGH PSRR 1A LINEAR REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 2.5V, VOUT = 1.1V, CIN=2.2µF, COUT=4.7µF, TA = 25°C, unless otherwise noted.
Quiescent Current vs.
Temperature
140 IOUT=0A
120
100
80
60
40
20
0
-40 -20 0 20 40 60 80 100
Quiescent Current vs.
Input Voltage
160 IOUT=0A
140
120
100
80
60
40
20
0
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE(V)
6
Dropout Voltage vs.
Temperature
200VOUT=2.5V, IOUT=1A
180
160
140
120
100
80
60
40
20
0
-40 -20
0 20 40 60 80 100
Dropout Voltage vs.
Output Current
180VOUT=2.5V
160
140
120
100
80
60
40
20
0
0 200 400 600 800 1000
OUTPUT CURRENT(mA)
EN threshold vs.
Input Voltage
1.2
1.1 EN high threshold
1
0.9
0.8
0.7 EN low threshold
0.6
0.5
0.4
2.5
3 3.5 4 4.5 5
INPUT VOLTAGE(V)
5.5
EN threshold vs.
Temperature
0.75
0.7
0.65
0.6 EN high threshold
0.55
0.5 EN low threshold
0.45
0.4
-40 -20 0 20 40 60 80 100
Current Limit vs.
Temperature
1.8
1.75
1.7
1.65
1.6
1.55
1.5
-40 -20 0 20 40 60 80 100
Current Limit vs.
Input Voltage
1.8
1.75
1.7
1.65
1.6
1.55
1.5
2.5
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE(V)
Line Regulation
0.3IOUT=0mA and 100mA
0.2
0.1 IOUT=100mA
0
-0.1 IOUT=0mA
-0.2
-0.3
3
3.5 4 4.5 5 5.5
INPUT VOLTAGE(V)
6
MP20051 Rev.1.11
www.MonolithicPower.com
12/26/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
5
5 Page 
MP20051 – LOW NOISE HIGH PSRR 1A LINEAR REGULATOR
PACKAGE INFORMATION
QFN8 (3×3mm)
MP20051 Rev. 1.11
www.MonolithicPower.com
12/26/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MP20051.PDF ] | |
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