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PDF WL2801E Data sheet ( Hoja de datos )
| Número de pieza | WL2801E | |
| Descripción | CMOS LDO | |
| Fabricantes | Will Semiconductor | |
| Logotipo |  |
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WL2801E
Low noise, High PSRR, High speed, CMOS LDO
Descriptions
The WL2801E series is a high accuracy, low noise,
high speed, low dropout CMOS Linear regulator with
high ripple rejection. The devices offer a new level of
cost effective performance in cellular phones, laptop
and notebook computers, and other portable devices.
The current limiter's fold-back circuit also operates
as a short circuit protection and an output current
limiter at the output pin.
The WL2801E regulators are available in standard
SOT-23-5L packages. Standard products are Pb-free
and Halogen-free.
Features
z Input voltage
: 2.7V~5.5V
z Output range : 1.2V~3.3V
z Output current : 200mA (Up to 300mA Typ.)
z PSRR
: 75dB @ 217Hz
z Dropout voltage : 170mV @ IOUT=200mA
z Quiescent current : 70ȝA Typ.
z Shut-down current : < 0.1ȝA
z Recommend capacitor : 1uF
Applications
z MP3/MP4 Players
z Cellphones, radiophone, digital cameras
z Bluetooth, wireless handsets
z Others portable electronics device
WL2801E
Http://www.willsemi.com
SOT-23-5L
VOUT
NC
54
123
VIN GND EN
Pin Configuration (Top View)
****
For detail marking information, please see page 9.
Marking
Order Information
For detail order information, please see page 9.
Will Semiconductor Ltd.
1 Dec. 2011 – Rev.3.0
1 page  
WL2801E
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
T = 25oC
A
1.4
1.2
T = 25oC
A
1.0
0.8
0.6
VIN = 3.8V
VIN = 4.2V
VIN = 5.5V
200 400 600 800 1000 1200 1400
Output Current (mA)
Output voltage vs. Output current
0.4
0.2
0.0
0
VIN = 2.7V
VIN = 4.2V
VIN = 5.5V
100 200 300 400
Output Current (mA)
Output voltage vs. Output current
500
3.0
T = 85oC
A
2.5
2.0
1.5
1.0
0.5
0.0
0
VIN = 3.8V
VIN = 4.2V
VIN = 5.5V
200 400 600 800 1000 1200 1400
Output Current (mA)
Output voltage vs. Output current
100
90
80
70
60
50
40
30
20
10
0
10
V = 3.8V+0.5V
IN P-P
V = 2.8V
OUT
I = 10mA
OUT
100 1000
Frequency(HZ)
PSRR
10000
1.4
T = 85oC
1.2 A
1.0
0.8
0.6
0.4
0.2
0.0
0
100
90
80
70
60
50
40
30
20
10
0
10
VIN = 2.7V
VIN = 4.2V
VIN = 5.5V
100 200 300 400
Output Current (mA)
Output voltage vs. Output current
500
V = 3.0V+0.5V
IN P-P
V = 1.2V
OUT
I = 10mA
OUT
100 1000
Frequency(HZ)
PSRR
10000
Will Semiconductor Ltd.
5 Dec. 2011 – Rev.3.0
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet WL2801E.PDF ] | |
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