SE8117B Datasheet, PDF (4/7 Pages) Seaward Electronics Inc. – 1A Positive Voltage Regulators

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
1.15
1.13
1.11
1.09
1.07
1.05
1.03
0
200 400 600 800
Output Current(mA)
Line Transients
1000
V_IN = 4.5V – 5.5 V
C_IN = 0.1μF, C_OUT = 1μF
PSRR
70
60
50
40
I_OUT = 100mA
30
20
10
0
0.001 0.01
0.1
1
10
Frequency (kHz)
Load Transients
Load Regulation
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
SE8117B_3.3V
2.4
2.3
SE8117B_1.8V
2.2
2.1
2.0
1.9
1.8
1.7
Line Regulation
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
SE8117B_3.3
2.6
2.5
SE8117B_1.8
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
0
200 400 600 800 1000
Iload (mA)
3 4 5 6 7 8 9 10 11 12
Vin (V)
Revision 7/28/2008
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2006. • www.seawardinc.com • Page 4