300mA Low Power Low Noise
LDO CMOS Voltage Regulator
Line Regulation (Iout=10mA)
3.40
3.35
Vout (V)
SE5509B
Load Regulation (Vin=4.3V)
3.40
3.35
Vout (V)
3.30
3.25
3.20
3.15
3.30
3.25
3.20
3.15
3.60
4.00
4.40
4.80
Vin (V)
5.20
5.60
6.00
0
100
200
Iout (mA)
300
400
IQ VS. VIN (VOUT=3.3V)
32
32
31
Iq (uA)
31
30
30
29
29
4.00
4.50
5.00
Vin (V)
5.50
6.00
Iq (uA)
50
45
40
35
30
25
20
0
IQ VS. IOUT (VOUT=3.3V)
100
200
Iout (mA)
300
400
PSRR
(V
IN
=V
OUT
+1V+0.5V
p-pAC
,I
OUT
=50mA,C
BY
=0.1uF)
80
70
60
PSRR (dB)
50
40
30
20
10
0
0.1
1
Frequency (kHz)
10
100
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