500mA CMOS LDO Voltage Regulator
(Preliminary)
SE5218
Line Regulation (VOUT =3.3V)
Load Regulation (VOUT =3.3V)
(VIN =4.3V to 6V, IOUT =10mA)
(VIN =5V, IOUT =10mA to 500mA)
3.6000
3.5000
3.4000
3.3000
3.2000
3.1000
3.0000
3.600
3.500
3.400
3.300
3.200
3.100
3.000
0
100
200
300
400
500
4.2
4.7
5.2
5.7
IOUT (mA)
VIN (V)
Output Voltage vs Temperature
IQ vs IO UT
(VIN =5V, IOUT =10mA)
(VIN = 5V, IOUT = 10mA to 500mA)
3.330
3.320
3.310
3.300
3.290
3.280
3.270
160
140
120
100
80
60
40
20
0
0
0
20
40
60
80
100
120
100
200
300
IOUT (mA )
400
500
Temperature (C)
PSRR (VOUT =3.3)
Transient Response (VOUT = 3.3V)
(IOUT = 10mA to 40mA)
(V IN = 5V , V P P = 1V )
70
60
50
40
30
20
10
0
100
1000
10000
Frequency (Hz)
Revision 12/5/2008
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2005. • www.seawardinc.com.cn • Page 5
SEAWARD [ Seaward Electronics Inc. ]
