300mA Low Power Low Noise
LDO CMOS Voltage Regulator
SE5509B
Line Regulation (Iout=10mA)
Load Regulation (Vin=4.3V)
3.40
3.35
3.30
3.25
3.20
3.15
3.40
3.35
3.30
3.25
3.20
3.15
0
100
200
300
400
3.60
4.00
4.40
4.80
5.20
5.60
6.00
Iout (mA)
Vin (V)
IQ VS. VIN (VOUT=3.3V)
IQ VS. IOUT (VOUT=3.3V)
32
50
45
40
35
30
25
20
32
31
31
30
30
29
29
0
100
200
Iout (mA)
300
400
4.00
4.50
5.00
Vin (V)
5.50
6.00
PSRR
(VIN=VOUT+1V+0.5Vp-pAC
I
=50mA
CBY=0.1uF)
，
，
OUT
80
70
60
50
40
30
20
10
0
0.1
1
10
100
Frequency (kHz)
Revision 5/4/2009
Preliminary and all contents are subject to change without prior notice
© Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 4
SEAWARD [ Seaward Electronics Inc. ]
