500mA CMOS LDO Voltage Regulator
(Preliminary)
Line R egulation (VOUT = 3.3V)
(VIN = 4.3V to 6V, IOUT = 10mA)
SE5218
Load R egulation (VOUT = 3.3V)
(VIN = 5V, IOUT = 10mA to 500mA)
3.6000
3.600
3.500
3.400
VOUT (V)
3.5000
3.4000
VOUT (V)
3.3000
3.300
3.200
3.100
3.000
3.2000
3.1000
3.0000
4.2
4.7
5.2
VIN (V)
5.7
0
100
200
IOUT (mA)
300
400
500
Output Voltage vs Temperature
(VIN = 5V, IOUT = 10mA)
IQ vs IOUT
(VIN = 5V, IO UT = 10mA to 500mA)
3.330
3.320
3.310
VOUT (V)
160
140
120
100
3.300
3.290
3.280
IQ (uA )
80
60
40
20
3.270
0
20
40
60
Temperature (C )
80
100
120
0
0
100
200
300
IOUT (mA )
400
500
P S R R (VOUT = 3.3)
(VIN = 5V, VP P = 1V)
Transient Response (VOUT = 3.3V)
(IOUT = 10mA to 40mA)
70
60
50
P S R R (dB)
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. ]
