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PDF WL2803D Data sheet ( Hoja de datos )
| Número de pieza | WL2803D | |
| Descripción | CMOS LDO | |
| Fabricantes | Will Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de WL2803D (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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WL2803D
Ultra low dropout, 800mA, CMOS LDO
WL2803D
Http://www.sh-willsemi.com
Descriptions
The WL2803D series are ultra low dropout, Low
quiescent current, high PSRR CMOS LDO.
Using CMOS construction, the quiescent current
consumed by the WL2803D is typically 150uA over the
entire input voltage range, making it attractive for
consumer, networking applications that demand high
output current. The WL2803D series are available in
wide output voltage range version from 1.2V to 3.3V.
DFN2X2-6L
The WL2803D series offer thermal shutdown (OTP)
and current limit functions, to assure the stability of
chip and power system at wrong condition, and it uses
trimming technique to guarantee output voltage
accuracy within ±2%.
EN 1
GND 2
VIN 3
GND
6 NC
5 NC
4 VOUT
The WL2803D regulators are available in DFN2X2-6L
packages. Standard products are Pb-free and
Halogen-free.
Pin Configuration (Top View)
Features
Input voltage
: 2.5V~5.5V
Output voltage : 3.0V
Output current : 800mA
PSRR
: 65dB @ 1KHz
Dropout voltage : 130mV @ IOUT=0.5A
Output noise
: 100uV
Quiescent current : 150μA Typ.
Applications
LCD TV
STB
Computer, Graphic card
Network communication equipments
Others portable electronics devices
2803
**YW
2803 = Device code
** = Voltage code (30: 3.0V)
Y = Year code
W = Week code
Marking
Order Information
For detail information, Please refer to page 9.
Will Semiconductor Ltd.
1 Jun. 2014 – Rev1.0
1 page  
WL2803D
Typical characteristics (Ta=25oC, VIN=VOUT+1V, CIN=COUT=4.7uF, unless otherwise noted)
160
140
120
100
80
60
40
20 VOUT=3V
IO=0mA
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage(V)
Quiescent current vs. Supply voltage
200
180
160
140
120
100
80
60
40
-50
-25
VIN=4.3V
0 25 50 75
Temperature (0C)
100 125
Quiescent current vs. Temperature
250
200
150
100
50
0
0 100 200 300 400 500 600 700 800 900 1000
Output Current(mA)
DROP Voltage vs. Output Current
3.5
3.4
3.3
3.2
3.1 V =5V
IN
3.0
V =4.3V
2.9 IN
2.8
2.7
2.6
2.5
-50
-25
IOUT=1mA
0 25 50 75
Temperature (0C)
100
Output Voltage vs. Temperature
125
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
I =300mA
O
I =1mA
O
VOUT=3.0V
3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage(V)
Output voltage vs. Supply voltage
100
90
80
70
60
50
40
30
20
10
0
10
VIN=3.0VDC+0.5VP-PAC
IO=10mA
100 1000
Frequency(HZ)
10000
PSRR
Will Semiconductor Ltd.
5 Jun. 2014 – Rev1.0
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet WL2803D.PDF ] | |
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