SE5509_12 Datasheet, PDF (4/7 Pages) Seaward Electronics Inc. – Low Power Low Noise LDO CMOS Voltage Regulator

Low Power Low Noise LDO
CMOS Voltage Regulator
SE5509
3.40
Line Regulation
(IOUT=10mA)
3.35
3.30
3.25
3.20
3.15
3.60
4.10
4.60
5.10
VIN (V)
32
30
28
26
24
22
20
0
IQ VS. IOUT(VOUT=3.3V)
50 100 150 200 250 300 350
IOUT (mA)
Load Transient Response (VOUT = 3.3V)
(IOUT=10mA to 300mA)
3.40
3.35
3.30
3.25
3.20
3.15
0
Load Regulation
(VIN=4.3V)
100
200
300
400
IOUT (mA)
27.5
27.0
26.5
26.0
25.5
25.0
3.6
IQ VS. VIN(VOUT=3.3V)
4.0
4.4
4.8
5.2
5.6
VIN (V)
Input Transient Response (VOUT = 3.3V)
(VIN=3.6V to 5.0V)
PSRR
(VIN=VOUT+1V+0.5Vp -pAC，IOUT=50mA，Cby pass=0.1µF)
80
70
60
50
40
30
20
10
0
0.1
1
10
100
Frequency (kHz)
Revision 9/26/2012
Preliminary and all contents are subject to change without prior notice
© Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 4