Typical Performance Characteristics
Reference Voltage vs Junction Temperature
1250
1245
1240
1235
1230
1225
1220
-25
0
25
50
75
100 125 150
Junction Temperature (C)
Dropout Voltage vs. Output Current
1.17
Dropout Voltage (V)
1.15
Reference Voltage (mV)
1.11
1.09
1.07
1.05
1.03
0
200
400
600
800
Output Current(mA)
1000
PSRR (dB)
1.13
70
60
50
40
30
20
10
0
0.001
PSRR
I
OUT
= 100mA
0.01
0.1
1
Frequency (kHz)
Load Transients
10
Line Transients
V
IN
= 4.5V – 5.5 V
C
IN
= 0.1μF, C
OUT
= 1μF
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
0
200
Load Regulation
SE8117B_3.3V
SE8117B_1.8V
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
3
4
5
Line Regulation
V o u t (V )
V o u t (V )
SE8117B_3.3
SE8117B_1.8
400
600
Iload (mA)
800
1000
6
7
8
9
Vin (V)
10
11
12
Revision 7/28/2008
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com • Page 4
SEAWARD [ Seaward Electronics Inc. ]
